{"similarity_score": 0.9997513674788663, "equal_cnt": 2, "replace_cnt": 1, "delete_cnt": 0, "insert_cnt": 0, "fix_ops_cnt": 1, "bug_source_code": "//spnauti-rusT {{{\nuse std::io::*; use std::str::{self,*}; use std::fmt::Debug;\n#[allow(unused_imports)] use std::cmp::Ordering::{self,*};\n#[allow(unused_imports)] use std::ops::{self,*};\n#[allow(unused_imports)] use std::iter::{self,*};\n#[allow(unused_imports)] use std::collections::*;\n#[allow(unused_imports)] use std::cell::*;\n#[allow(unused_macros)] macro_rules! min {\n\t($x:expr,$y:expr) => {{ let b=$y; let a=&mut$x; if b < *a {*a=b; true} else {false} }};\n}\n#[allow(unused_macros)] macro_rules! max {\n\t($x:expr,$y:expr) => {{ let b=$y; let a=&mut$x; if b > *a {*a=b; true} else {false} }};\n}\n#[allow(unused_macros)] macro_rules! l {\n\t($($v:ident),+ =$e:expr) => {$(let$v=$e;)+};\n\t($($v:ident),+:$t:ty=$e:expr) => {$(let$v:$t=$e;)+};\n\t(mut $($v:ident),+ =$e:expr) => {$(let mut$v=$e;)+};\n\t(mut $($v:ident),+:$t:ty=$e:expr) => {$(let mut$v:$t=$e;)+};\n}\n#[allow(unused_macros)] macro_rules! v {\n\t([$d:expr]$($s:tt)+) => {vec![v!($($s)+);$d]};\n\t([]) => {Vec::new()}; ([$e:expr]) => {Vec::with_capacity($e)}; (=$e:expr) => {$e};\n}\n#[allow(unused_macros)] macro_rules! rep { {[$c:expr]$($s:tt)+} => {for _ in 0..$c {$($s)+}} }\n#[allow(dead_code)] fn reader() -> WordReaderC { WordReaderC::new() }\n#[allow(dead_code)] fn writer() -> BufWriter<Stdout> { BufWriter::new(stdout()) }\nstruct WordReaderC {buf: Vec<u8>, pos: usize, q: std::io::StdinLock<'static>}//'\n#[allow(dead_code)] impl WordReaderC {\n\tfn new() -> Self {\n\t\tlet r = unsafe {&*Box::into_raw(Box::new(stdin()))};\n\t\tSelf { q: r.lock(), buf: Vec::new(), pos: 0 }\n\t}\n\tfn next_line(&mut self) -> bool {\n\t\tself.buf.clear(); self.pos = 0;\n\t\tself.q.read_until(b'\\n', &mut self.buf).unwrap_or(0) > 0\n\t}\n\tfn is_ws(c: u8) -> bool {\n\t\tc == b' ' || c == b'\\r' || c == b'\\n' || c == b'\\t'\n\t}\n\tfn byte(&mut self) -> Option<u8> {\n\t\tif self.pos == self.buf.len() { if !self.next_line() { return None; } }\n\t\tself.pos += 1; Some(self.buf[self.pos - 1])\n\t}\n\tfn vb(&mut self) -> Vec<u8> {\n\t\tlet mut s = Vec::with_capacity(8);\n\t\tlet mut f = false;\n\t\tloop {\n\t\t\tif let Some(c) = self.byte() {\n\t\t\t\tif !Self::is_ws(c) {\n\t\t\t\t\ts.push(c);\n\t\t\t\t\tf = true;\n\t\t\t\t} else if f { break; }\n\t\t\t} else { break; }\n\t\t}\n\t\ts\n\t}\n\tfn s(&mut self) -> String { String::from_utf8(self.vb()).expect(\"invalid utf8\") }\n\tfn i(&mut self) ->    i32 { self.p() }\n\tfn l(&mut self) ->    i64 { self.p() }\n\tfn u(&mut self) ->  usize { self.p() }\n\tfn f(&mut self) ->    f64 { self.p() }\n\tfn vi(&mut self, n: usize) -> Vec<i32> { self.vp(n) }\n\tfn vl(&mut self, n: usize) -> Vec<i64> { self.vp(n) }\n\tfn vu(&mut self, n: usize) -> Vec<usize> { self.vp(n) }\n\tfn ii(&mut self, n: usize) -> impl Iterator<Item=i32> { self.ip(n).into_iter() }\n\tfn iu(&mut self, n: usize) -> impl Iterator<Item=usize> { self.ip(n).into_iter() }\n\tfn p<T: FromStr>(&mut self) -> T where T::Err: Debug {\n\t\tlet w = self.vb(); str::from_utf8(w.as_ref()).unwrap().parse::<T>().unwrap()\n\t}\n\tfn vp<T: FromStr>(&mut self, n: usize) -> Vec<T> where T::Err: Debug {\n\t\t(0..n).map(|_|self.p()).collect()\n\t}\n\tfn ip<T: FromStr>(&mut self, n: usize) -> impl Iterator<Item=T> where T::Err: Debug {\n\t\tself.vp(n).into_iter()\n\t}\n}\n//------------------- End rusT }}}\n\n// Simple DSU {{{\nstruct DSU {\n\tn: usize,\n\tpar: Vec<usize>\n}\n#[allow(dead_code)]impl DSU {\n\tfn new(n: usize) -> Self { let mut d = Self {n:0, par:Vec::new()}; d.resize(n); d }\n\tfn resize(&mut self, n: usize) { self.n = n; self.par.resize(n, 0); self.reset(); }\n\tfn reset(&mut self) { for i in 0..self.n { self.par[i] = i; } }\n\tfn find(&mut self, a: usize) -> usize {\n\t\tif a != self.par[a] { self.par[a] = self.find(self.par[a]); } self.par[a] }\n\tfn union(&mut self, mut a: usize, mut b: usize) -> bool {\n\t\ta = self.find(a); b = self.find(b); if a != b { self.par[a] = b; true } else { false } }\n}//}}}\n// Simple Segtree {{{\nmod simple_full_segtree {\n\tpub type V = (i32,usize);\n\tpub type U = V;\n\tpub type R = V;\n\t#[derive(Clone)]\n\tpub struct Val {\n\t\tval: V\n\t}\n\timpl Val {\n\t\tpub fn default() -> Self {\n\t\t\tSelf::new((0,0))\n\t\t}\n\t\tpub fn new(v: V) -> Self {\n\t\t\tSelf {val: v}\n\t\t}\n\t\tpub fn combine(a: &Self, b: &Self) -> Self {\n\t\t\tSelf::new(a.val.max(b.val))\n\t\t}\n\t\tpub fn update(&mut self, u: U) {\n\t\t\tself.val = u;\n\t\t}\n\t\tpub fn result(&self) -> R {\n\t\t\tself.val\n\t\t}\n\t}\n\tpub struct Tree {\n\t\tn: usize,\n\t\tbase: usize,\n\t\tvalues: Box<[Val]>\n\t}\n\t#[allow(dead_code)]\n\timpl Tree {\n\t\tpub fn new(init: &[V]) -> Self {\n\t\t\tlet n = init.len();\n\t\t\tlet mut base = 1;\n\t\t\twhile base < n {\n\t\t\t\tbase <<= 1;\n\t\t\t}\n\t\t\tlet mut values = vec![Val::default(); base*2];\n\t\t\tfor i in 0..n {\n\t\t\t\tvalues[base + i] = Val::new(init[i]);\n\t\t\t}\n\t\t\tfor i in (1..base).rev() {\n\t\t\t\tvalues[i] = Val::combine(&values[i+i], &values[i+i+1]);\n\t\t\t}\n\t\t\tlet values = values.into_boxed_slice();\n\t\t\tSelf {n, base, values}\n\t\t}\n\t\tpub fn update(&mut self, p: usize, u: U) {\n\t\t\tassert!(p < self.n);\n\t\t\tlet mut p = p + self.base;\n\t\t\tself.values[p].update(u);\n\t\t\tp >>= 1;\n\t\t\twhile p > 0 {\n\t\t\t\tself.values[p] = Val::combine(&self.values[p+p], &self.values[p+p+1]);\n\t\t\t\tp >>= 1;\n\t\t\t}\n\t\t}\n\t\tfn query_sub(&self, ql: usize, qr: usize, l: usize, r: usize, id: usize, val: &mut Val) {\n\t\t\tif r < ql || qr < l { return; }\n\t\t\tif ql <= l && r <= qr {\n\t\t\t\t*val = Val::combine(val, &self.values[id]);\n\t\t\t} else if ql <= r && l <= qr {\n\t\t\t\tlet m = (l+r) >> 1;\n\t\t\t\tself.query_sub(ql, qr, l, m, id+id, val);\n\t\t\t\tself.query_sub(ql, qr, m+1, r, id+id+1, val);\n\t\t\t}\n\t\t}\n\t\tpub fn query(&self, ql: usize, qr: usize) -> Val {\n\t\t\tassert!(ql <= qr && qr < self.n);\n\t\t\tlet mut res = Val::default();\n\t\t\tself.query_sub(ql, qr, 0, self.base-1, 1, &mut res);\n\t\t\tres\n\t\t}\n\t\tpub fn query_all(&self) -> Val {\n\t\t\tself.values[1].clone()\n\t\t}\n\t}\n}//}}}\n\nfn dfs(u: usize, e: &[Vec<usize>], dfst: &mut [(usize,usize)], t: &mut usize) {\n\tdfst[u].0 = *t;\n\t*t += 1;\n\tfor &v in e[u].iter() {\n\t\tassert!(dfst[v] == (1,0));\n\t\tdfs(v, e, dfst, t);\n\t}\n\tdfst[u].1 = *t-1;\n}\n\nfn main() {\n\tlet mut rin = reader();\n\tlet mut rout = writer();\n\n\tl!(n,m,q = rin.u());\n\tlet p = rin.vi(n);\n\tlet mut el = v!([m]);\n\tlet mut e = v!([n][]);\n\tfor i in 0..m {\n\t\tl!(a,b = rin.u()-1);\n\t\tel.push( (a,b,q) );\n\t\te[a].push( (b,i) );\n\t\te[b].push( (a,i) );\n\t}\n\tlet mut qq = v!([q]);\n\tfor i in 0..q {\n\t\tlet t = rin.u();\n\t\tlet x = rin.u()-1;\n\t\tqq.push( (t,x) );\n\t\tif t == 2 {\n\t\t\tel[x].2 = i;\n\t\t}\n\t}\n\tlet mut dsu = DSU::new(n*2);\n\tfor i in 0..m {\n\t\tlet (a,b,t) = el[i];\n\t\tif t == q {\n\t\t\tdsu.union(a,b);\n\t\t}\n\t}\n\tlet mut heads = v!([n*2] = 0);\n\tlet mut de = v!([n*2][]);\n\tfor u in 0..n {\n\t\tlet v = dsu.find(u);\n\t\tif v != u {\n\t\t\tde[v].push(u);\n\t\t} else {\n\t\t\theads[u] = u;\n\t\t}\n\t}\n\tlet mut nn = n;\n\tlet mut qt = v!([q] = None);\n\tfor i in (0..q).rev() {\n\t\tlet (t,x) = qq[i];\n\t\tif t == 2 {\n\t\t\tlet (a,b,_) = el[x];\n\t\t\tlet aa = heads[dsu.find(a)];\n\t\t\tlet bb = heads[dsu.find(b)];\n\t\t\tif aa != bb {\n\t\t\t\tdsu.union(a,b);\n\t\t\t\tdsu.union(a,nn);\n\t\t\t\theads[dsu.find(a)] = nn;\n\t\t\t\tde[nn].push(aa);\n\t\t\t\tde[nn].push(bb);\n\t\t\t\tqt[i].replace(nn);\n\t\t\t\tnn += 1;\n\t\t\t}\n\t\t}\n\t}\n\tlet mut dfst = v!([n*2] = (1,0));\n\tlet mut t = 0;\n\tfor i in (0..nn).rev() {\n\t\tif dfst[i] == (1,0) {\n\t\t\tdfs(i, &de, &mut dfst, &mut t);\n\t\t}\n\t}\n\tlet mut intervals = BTreeSet::new();\n\tfor i in 0..nn {\n\t\tif i == heads[dsu.find(i)] {\n\t\t\tlet (s,e) = dfst[i];\n\t\t\tintervals.insert( (e,s) );\n\t\t}\n\t}\n\tlet mut z = v!([nn] = (0,0));\n\tfor i in 0..n {\n\t\tz[dfst[i].0] = (p[i],i);\n\t}\n\t// writeln!(rout, \"z : {:?}\", z).ok();\n\t// for i in 0..nn {\n\t// \twriteln!(rout, \"{} : {:?}\", i, dfst[i]).ok();\n\t// }\n\t// writeln!(rout, \"intervals : {:?}\", intervals).ok();\n\tuse std::ops::Bound::*;\n\tlet mut st = simple_full_segtree::Tree::new(&z);\n\tfor i in 0..q {\n\t\tlet (t,x) = qq[i];\n\t\tif t == 1 {\n\t\t\tlet (r,l) = *intervals.range((Excluded( (dfst[x].0,0) ),Unbounded)).next().unwrap();\n\t\t\tlet (v,pos) = st.query(l,r).result();\n\t\t\t// writeln!(rout, \"query {} {} : {} {}\", l, r, v, pos).ok();\n\t\t\tif v > 0 {\n\t\t\t\tst.update(dfst[pos].0, (0,0));\n\t\t\t}\n\t\t\twriteln!(rout, \"{}\", v).ok();\n\t\t} else if let Some(id) = qt[i] {\n\t\t\tassert!(de[id].len() == 2);\n\t\t\tlet a = de[id][0];\n\t\t\tlet b = de[id][1];\n\t\t\tintervals.remove( &(dfst[id].1,dfst[id].0) );\n\t\t\tintervals.insert( (dfst[a].1,dfst[a].0) );\n\t\t\tintervals.insert( (dfst[b].1,dfst[b].0) );\n\t\t}\n\t}\n}\n", "lang": "Rust", "bug_code_uid": "89b707b0ee27701768e3ef4750cc3920", "src_uid": "ad014bde729222db14f38caa521e4167", "apr_id": "eb4cbcf8d9f7f0970deabf3bf4a83298", "difficulty": 2600, "tags": ["dsu", "data structures", "implementation", "graphs", "trees"], "bug_exec_outcome": "RUNTIME_ERROR", "potential_dominant_fix_op": "replace", "lang_cluster": "Rust"}
{"similarity_score": 0.9841703395617357, "equal_cnt": 14, "replace_cnt": 4, "delete_cnt": 1, "insert_cnt": 8, "fix_ops_cnt": 13, "bug_source_code": "use std::cmp::*;\nuse std::collections::*;\nuse std::io::*;\nuse std::str::*;\n\n// scanner from https://codeforces.com/contest/1396/submission/91365784\nstruct Scanner {\n    stdin: Stdin,\n    buffer: VecDeque<String>,\n}\n#[allow(dead_code)]\nimpl Scanner {\n    fn new() -> Self {\n        Scanner {\n            stdin: stdin(),\n            buffer: VecDeque::new(),\n        }\n    }\n    fn cin<T: FromStr>(&mut self) -> T {\n        while self.buffer.is_empty() {\n            let mut line = String::new();\n            let _ = self.stdin.read_line(&mut line);\n            for w in line.split_whitespace() {\n                self.buffer.push_back(String::from(w));\n            }\n        }\n        self.buffer.pop_front().unwrap().parse::<T>().ok().unwrap()\n    }\n    fn chars(&mut self) -> Vec<char> {\n        self.cin::<String>().chars().collect()\n    }\n    fn vec<T: FromStr>(&mut self, n: usize) -> Vec<T> {\n        (0..n).map(|_| self.cin()).collect()\n    }\n    fn u(&mut self) -> usize {\n        self.cin()\n    }\n    fn ll(&mut self) -> i64 {\n        self.cin()\n    }\n    fn ull(&mut self) -> u64 {\n        self.cin()\n    }\n    fn vecu(&mut self, n: usize) -> Vec<usize> {\n        self.vec(n)\n    }\n    fn vecll(&mut self, n: usize) -> Vec<i64> {\n        self.vec(n)\n    }\n}\n\n#[derive(Clone, Debug, Default)]\nstruct Solver {}\n\n//\n// DSU\n//\n\n#[derive(Debug, Clone)]\nstruct DSU {\n    v: Vec<usize>,\n    n: usize,\n}\n\nimpl DSU {\n    fn new(size: usize) -> DSU {\n        let mut v = vec![0; size];\n        for i in 0..size {\n            v[i] = i;\n        }\n        DSU { v: v, n: size }\n    }\n\n    fn find(&mut self, x: usize) -> usize {\n        if self.v[x] == x {\n            x\n        } else {\n            self.v[x] = self.find(self.v[x]);\n            self.v[x]\n        }\n    }\n\n    fn is_same(&mut self, x: usize, y: usize) -> bool {\n        self.find(x) == self.find(y)\n    }\n\n    fn unify(&mut self, x: usize, y: usize) {\n        let xx = self.find(x);\n        let yy = self.find(y);\n        if xx != yy {\n            self.v[yy] = xx;\n        }\n    }\n}\n\n//\n// Segment Tree\n//\n\n#[derive(Clone)]\nstruct SegmentTree<T> {\n    v: Vec<T>,\n    offset: usize,\n    comb: fn(T, T) -> T,\n    unit: T,\n}\n\n#[allow(dead_code)]\nimpl<T: Copy> SegmentTree<T> {\n    fn new(n: usize, unit: T, comb: fn(T, T) -> T, vv: Option<&Vec<T>>) -> SegmentTree<T> {\n        let mut x = 1;\n        while x < n {\n            x *= 2;\n        }\n\n        let mut v = vec![unit; x * 2];\n        if let Some(vv) = vv {\n            for i in 0..n {\n                v[x + i] = (*vv)[i];\n            }\n            for i in (0..x).rev() {\n                v[i] = comb(v[i * 2], v[i * 2 + 1]);\n            }\n        }\n\n        SegmentTree {\n            v: v,\n            offset: x,\n            comb,\n            unit: unit,\n        }\n    }\n\n    fn update(&mut self, pos: usize, val: T) {\n        let mut p = self.offset + pos;\n        self.v[p] = val;\n        while p != 1 {\n            p /= 2;\n            self.v[p] = (self.comb)(self.v[p * 2], self.v[p * 2 + 1]);\n        }\n    }\n\n    fn get(&self, pos: usize) -> T {\n        self.v[self.offset + pos]\n    }\n\n    fn query_range_all(&self) -> T {\n        self.query_range(0, self.offset)\n    }\n\n    fn query_range(&self, begin: usize, end: usize) -> T {\n        self.query_range_sub(begin, end, 1, 0, self.offset)\n    }\n\n    // v[node] \u306f \u533a\u9593 l .. r-1 \u306e\u8a08\u7b97\u7d50\u679c\u3092\u6301\u3063\u3066\u3044\u308b\n    fn query_range_sub(&self, begin: usize, end: usize, node: usize, l: usize, r: usize) -> T {\n        if end <= l || r <= begin {\n            return self.unit.clone();\n        } else if begin <= l && r <= end {\n            return self.v[node].clone();\n        } else {\n            let lval = self.query_range_sub(begin, end, node * 2, l, (l + r) / 2);\n            let rval = self.query_range_sub(begin, end, node * 2 + 1, (l + r) / 2, r);\n            return (self.comb)(lval, rval);\n        }\n    }\n}\n\nimpl Solver {\n    fn solve(&mut self, scan: &mut Scanner, out: &mut BufWriter<Stdout>) {\n        //1416d\n\n        let n = scan.u();\n        let m = scan.u();\n        let q = scan.u();\n        let p = scan.vecu(n);\n\n        let mut edges = Vec::with_capacity(m);\n        for _ in 0..m {\n            let x = scan.u() - 1;\n            let y = scan.u() - 1;\n            edges.push((x, y));\n        }\n\n        let mut vq = Vec::with_capacity(q);\n        let mut vq1 = Vec::with_capacity(q); // vertex : \u305d\u306e\u30b0\u30eb\u30fc\u30d7\u5185\u306e\u6700\u5927\u306ep\u30920\u306b\u3059\u308b\n        let mut vq2 = Vec::with_capacity(q); // edge : (edge_id, Some(r_vertex_id)) \u3053\u306e\u30af\u30a8\u30ea\u3092\u51e6\u7406\u3059\u308b\u3068\u304d\u306b e_vertex_id \u4ee5\u964d\u3092\u5207\u308a\u96e2\u3059\n\n        let mut eid_to_q2id = vec![q; m];\n        for _ in 0..q {\n            let x = scan.u();\n            let y = scan.u();\n            vq.push(x);\n\n            if x == 1 {\n                vq1.push(y - 1);\n            } else {\n                eid_to_q2id[y - 1] = vq2.len();\n                vq2.push((y - 1, None));\n            }\n        }\n\n        /*\n           \u30a8\u30c3\u30b8\u524a\u9664\u306e\u30af\u30a8\u30ea\u3092\u9006\u9806\u306b\u3057\u3066\u3001\u3053\u306e\u30af\u30a8\u30ea\u306f\u3069\u306e\u30b0\u30eb\u30fc\u30d7\u3068\u3069\u306e\u30b0\u30eb\u30fc\u30d7\u3092\u304f\u3063\u3064\u3051\u308b\u304b\u3001\u3092DSU\u3092\u4f7f\u3063\u3066\u8abf\u3079\u308b\u3002\n           x-y\u306b\u30a8\u30c3\u30b8\u3092\u8ffd\u52a0 = (x\u306eroot)\u306e\u5b50\u3068\u3057\u3066(y\u306eroot)\u3092\u8ffd\u52a0\n           x-y\u306e\u30a8\u30c3\u30b8\u3092\u524a\u9664 = (x\u306eroot)\u304b\u3089(y\u306eroot)\u3092\u5207\u308a\u96e2\u3059\n\n        */\n        let mut eidq2id: Vec<(usize, usize)> = eid_to_q2id.into_iter().enumerate().collect(); // (edge_id, query2_id)\n        eidq2id.sort_by_key(|x| q - x.1);\n\n        let mut dsu = DSU::new(n);\n        let mut child = vec![Vec::new(); n];\n        for (edge_id, q2id) in eidq2id {\n            let e = edges[edge_id];\n            if !dsu.is_same(e.0, e.1) {\n                let e0 = dsu.find(e.0);\n                let e1 = dsu.find(e.1);\n                dsu.unify(e0, e1);\n\n                child[e0].push(e1);\n                if q2id != q {\n                    vq2[q2id].1 = Some(e1);\n                }\n            }\n        }\n        /*\n           \u9802\u70b9\u306e\u9806\u756a\u3092\u4e26\u3073\u66ff\u3048\u308b\u3002\n           \u5404root\u304b\u3089dfs\u3067\u901a\u3063\u305f\u9806\u306b\u3059\u308b\u3002\n           (x\u306eroot)\u304b\u3089(y\u306eroot)\u3092\u5207\u308a\u96e2\u3059 \u306f\u3001 (y\u306eroot)\u306e\u624b\u524d\u3067\u5206\u5272\u3059\u308b \u3068\u540c\u3058\u306b\u306a\u308b\n        */\n        let mut pos_to_vid = Vec::with_capacity(n);\n        fn dfs(vid: usize, pos_to_vid: &mut Vec<usize>, child: &Vec<Vec<usize>>) {\n            pos_to_vid.push(vid);\n            for &child_vid in &child[vid] {\n                dfs(child_vid, pos_to_vid, child);\n            }\n        }\n\n        let mut partitions = BTreeSet::new();\n        partitions.insert(0);\n        for i in 0..n {\n            if i == dsu.find(i) {\n                dfs(i, &mut pos_to_vid, &child);\n            }\n            partitions.insert(pos_to_vid.len());\n        }\n\n        //\n        let mut vid_to_pos = vec![0; n];\n        let mut v = vec![(0, 0); n];\n        for pos in 0..n {\n            let vid = pos_to_vid[pos];\n            v[pos] = (p[vid], vid);\n            vid_to_pos[vid] = pos;\n        }\n        let mut s = SegmentTree::new(n, (0usize, 0usize), |l, r| max(l, r), Some(&v));\n\n        vq1.reverse();\n        vq2.reverse();\n        for i in 0..q {\n            // for pos in 0..n {\n            //     if partitions.contains(&pos) {\n            //         print!(\"|\");\n            //     }\n            //     print!(\"{:?} \", s.v[s.offset + pos]);\n            // }\n            // println!(\"\");\n\n            if vq[i] == 1 {\n                let vid = vq1.pop().unwrap();\n                let lpos = partitions.range(..=vid).next_back().unwrap();\n                let rpos = partitions.range(vid + 1..).next().unwrap();\n                let (val, vid) = s.query_range(*lpos, *rpos);\n                writeln!(out, \"{}\", val).ok();\n                s.update(vid_to_pos[vid], (0, vid));\n            } else {\n                if let Some((_, Some(vid))) = vq2.pop() {\n                    partitions.insert(vid_to_pos[vid]);\n                }\n            }\n        }\n    }\n}\n\nfn solve() {\n    let mut scan = Scanner::new();\n    let out = &mut BufWriter::new(stdout());\n\n    let testcase = 1;\n    //let testcase: usize = scan.cin();\n    for _ in 0..testcase {\n        let mut s: Solver = Default::default();\n        s.solve(&mut scan, out);\n    }\n}\n\nfn main() {\n    let th = std::thread::Builder::new().stack_size(64 * 1024 * 1024);\n    th.spawn(|| solve()).unwrap().join().unwrap()\n}\n", "lang": "Rust", "bug_code_uid": "da68844532316091fc7d2d286e629ec3", "src_uid": "ad014bde729222db14f38caa521e4167", "apr_id": "78eb27faaf76f56ebd70bfd0c516d2b8", "difficulty": 2600, "tags": ["dsu", "data structures", "implementation", "graphs", "trees"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "insert", "lang_cluster": "Rust"}
{"similarity_score": 0.19205298013245034, "equal_cnt": 4, "replace_cnt": 2, "delete_cnt": 0, "insert_cnt": 3, "fix_ops_cnt": 5, "bug_source_code": "fn main() {\n    println!(\"YSS\");\n}\n", "lang": "Rust", "bug_code_uid": "64fd11fe684b183550678ccbe7f8c850", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "b2c5be4743a4bd6bf9bc8d7405234ee7", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "insert", "lang_cluster": "Rust"}
{"similarity_score": 0.9820359281437125, "equal_cnt": 2, "replace_cnt": 0, "delete_cnt": 0, "insert_cnt": 1, "fix_ops_cnt": 1, "bug_source_code": "use std::io;\n\nfn main() {\n    let mut input = String::new();\n\n    io::stdin().read_line(&mut input);\n\n    let n : i128 = input.trim().parse().unwrap();\n    \n    if n % 2 == 0 {\n        println!(\"YES\");\n    }else{\n        println!(\"NO\");\n    };\n}\n", "lang": "Rust", "bug_code_uid": "27fcd05c90c4b8f3107a6d4387918951", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "f15b6f8b28ffca9d23528569c2ca4cd6", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "insert", "lang_cluster": "Rust"}
{"similarity_score": 0.9860834990059643, "equal_cnt": 2, "replace_cnt": 0, "delete_cnt": 0, "insert_cnt": 1, "fix_ops_cnt": 1, "bug_source_code": "use std::io;\n\nfn main() {\n    let mut s = String::with_capacity(3);\n    io::stdin().read_line(&mut s).unwrap();\n    let n: u8 = s.parse().unwrap();\n\n    if n % 2 == 0 && n > 2 {\n        println!(\"YES\");\n    } else {\n        println!(\"NO\");\n    }\n}\n", "lang": "Rust", "bug_code_uid": "0dd3270b6c9e4e0393d140dfff386d8d", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "6a51ac4eafe1c8944167d03a914c556a", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "RUNTIME_ERROR", "potential_dominant_fix_op": "insert", "lang_cluster": "Rust"}
{"similarity_score": 0.6706706706706707, "equal_cnt": 8, "replace_cnt": 5, "delete_cnt": 0, "insert_cnt": 2, "fix_ops_cnt": 7, "bug_source_code": "// https://codeforces.com/problemset/problem/4/A\n\nuse std::{\n    io::{\n        stdin,\n        stdout,\n    },\n    vec::Vec,\n};\n\nfn main() {\n    let inp = stdin();\n    let mut num_str = String::new();\n    inp.read_to_string(&mut num_str);\n\n    let num = num_str.parse::<i32>().unwrap();\n\n    if num % 2 == 0 {\n        println!(\"YES\");\n    } else {\n        println!(\"NO\");\n    }\n}\n", "lang": "Rust", "bug_code_uid": "b8552311e956fce483e86d4ee4482ab6", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "c33f14e5b620c6dcd05d152408370a10", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "COMPILATION_ERROR", "potential_dominant_fix_op": "replace", "lang_cluster": "Rust"}
{"similarity_score": 0.6861167002012073, "equal_cnt": 6, "replace_cnt": 4, "delete_cnt": 0, "insert_cnt": 1, "fix_ops_cnt": 5, "bug_source_code": "// https://codeforces.com/problemset/problem/4/A\n\nuse std::{\n    io::{\n        stdin,\n        stdout,\n    },\n    vec::Vec,\n};\n\nfn main() {\n    let inp = stdin();\n    let mut num_str = String::new();\n    inp.read_line(&mut num_str);\n\n    let num = num_str.parse::<i32>().unwrap();\n\n    if num % 2 == 0 {\n        println!(\"YES\");\n    } else {\n        println!(\"NO\");\n    }\n}\n", "lang": "Rust", "bug_code_uid": "18b16e92a01142853cbf647331f306ed", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "c33f14e5b620c6dcd05d152408370a10", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "RUNTIME_ERROR", "potential_dominant_fix_op": "replace", "lang_cluster": "Rust"}
{"similarity_score": 0.9447748513169074, "equal_cnt": 2, "replace_cnt": 0, "delete_cnt": 0, "insert_cnt": 1, "fix_ops_cnt": 1, "bug_source_code": "// https://codeforces.com/problemset/problem/4/A\n\nuse std::{\n    io::{\n        stdin,\n        stdout,\n    },\n    vec::Vec,\n};\n\nfn main() {\n    let inp = stdin();\n    let mut num_str = String::new();\n    match inp.read_line(&mut num_str) {\n        Err(e) => println!(\"{}\", e),\n        _ => ()\n    }\n\n    let num = match num_str.trim().parse::<i32>() {\n        Ok(val) => val,\n        Err(e) => {\n            println!(\"{}\", e);\n            return;\n        }\n    };\n\n    if num % 2 == 0 {\n        println!(\"YES\");\n    } else {\n        println!(\"NO\");\n    }\n}\n", "lang": "Rust", "bug_code_uid": "5e6ac486e40ecdd531e7f5a563ee797d", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "c33f14e5b620c6dcd05d152408370a10", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "insert", "lang_cluster": "Rust"}
{"similarity_score": 0.9969230769230769, "equal_cnt": 2, "replace_cnt": 1, "delete_cnt": 0, "insert_cnt": 0, "fix_ops_cnt": 1, "bug_source_code": "use std::io;\n\nfn main() {\n    let mut melon = String::new();\n\n    io::stdin().read_line(&mut melon)\n        .expect(\"Error while reading input\");\n\n    let melon: u8 = melon.trim().parse().expect(\"Illegal input\");\n\n    if (melon > 0) && (melon % 2 == 0) {\n        println!(\"YES\");\n    } else {\n        println!(\"NO\");\n    }\n}\n", "lang": "Rust", "bug_code_uid": "69732516ca5897f9fed6b62f79b73353", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "3b8465f97b699db62125369040eebb71", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "replace", "lang_cluster": "Rust"}
{"similarity_score": 0.724907063197026, "equal_cnt": 10, "replace_cnt": 4, "delete_cnt": 1, "insert_cnt": 4, "fix_ops_cnt": 9, "bug_source_code": "fn main() {\n    let mut number_line = String::new();\n    std::io::stdin().read_line(&mut number_line).unwrap();\n    let number: i32 = number_line.trim().parse().unwrap();\n    println!(\"{}\", if number % 2 == 0 { \"YES\" } else { \"NO\" });\n}\n", "lang": "Rust", "bug_code_uid": "6263459d346288684e90fc57ad5b6c91", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "3b8465f97b699db62125369040eebb71", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "replace", "lang_cluster": "Rust"}
{"similarity_score": 0.31711145996860285, "equal_cnt": 8, "replace_cnt": 2, "delete_cnt": 1, "insert_cnt": 5, "fix_ops_cnt": 8, "bug_source_code": "fn watermelon(weight: usize) -> String {\n    match weight % 2 {\n        0 => \"YES\",\n        _ => \"NO\",\n    }.to_string()\n}", "lang": "Rust", "bug_code_uid": "8290372f7bd2c85fd28d121a9e805d31", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "56e3a2be37c0afc6ad4b710eaa377490", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "COMPILATION_ERROR", "potential_dominant_fix_op": "insert", "lang_cluster": "Rust"}
{"similarity_score": 0.6721991701244814, "equal_cnt": 10, "replace_cnt": 6, "delete_cnt": 1, "insert_cnt": 2, "fix_ops_cnt": 9, "bug_source_code": "use std::io::*;\n\nfn main() -> std::io::Result<()> {\n    let mut input = String::with_capacity(3);\n    std::io::stdin().read_to_string(&mut input)?;\n    \n    std::io::stdout().write_all(\n        watermelon(\n            input.parse::<isize>().unwrap()\n            )\n        )?;\n    \n    Ok(())\n}\n\nfn watermelon(weight: isize) -> &'static [u8] {\n    if weight == 2 {return b\"NO\";}\n    match weight % 2 {\n        0 => b\"YES\",\n        _ => b\"NO\",\n    }\n}", "lang": "Rust", "bug_code_uid": "19d054e519e633ad6fe87d27c0c9f0e8", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "56e3a2be37c0afc6ad4b710eaa377490", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "RUNTIME_ERROR", "potential_dominant_fix_op": "replace", "lang_cluster": "Rust"}
{"similarity_score": 0.6694214876033058, "equal_cnt": 10, "replace_cnt": 6, "delete_cnt": 1, "insert_cnt": 2, "fix_ops_cnt": 9, "bug_source_code": "use std::io::*;\n\nfn main() -> std::io::Result<()> {\n    let mut input = String::with_capacity(3);\n    std::io::stdin().read_to_string(&mut input)?;\n    \n    std::io::stdout().write_all(\n        watermelon(\n            input.parse::<isize>().unwrap_or(0)\n            )\n        )?;\n    \n    Ok(())\n}\n\nfn watermelon(weight: isize) -> &'static [u8] {\n    if weight == 2 {return b\"NO\";}\n    match weight % 2 {\n        0 => b\"YES\",\n        _ => b\"NO\",\n    }\n}", "lang": "Rust", "bug_code_uid": "3ede657ac269ebd30a6ec4e0901414ad", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "56e3a2be37c0afc6ad4b710eaa377490", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "replace", "lang_cluster": "Rust"}
{"similarity_score": 0.844311377245509, "equal_cnt": 4, "replace_cnt": 2, "delete_cnt": 0, "insert_cnt": 2, "fix_ops_cnt": 4, "bug_source_code": "fn main() {\n    let mut input = String::new();\n    std::io::stdin()\n        .read_line(&mut input)\n        .ok()\n        .expect(\"Read Error\");\n\n    let n = input.trim().parse::<u32>().ok().unwrap_or(0);\n\n    if n % 2 == 0 {\n        println!(\"YES\");\n    } else {\n        println!(\"NO\");\n    }\n}\n", "lang": "Rust", "bug_code_uid": "d42d504bcd5a1163f978ae9f34d9c3e4", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "005f4c9a5c43745acbe60ac619ac6ef2", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "replace", "lang_cluster": "Rust"}
{"similarity_score": 0.9674418604651163, "equal_cnt": 5, "replace_cnt": 3, "delete_cnt": 0, "insert_cnt": 1, "fix_ops_cnt": 4, "bug_source_code": "use std::io;\nuse std::str::FromStr;\n\nfn main() {\n    let mut buf = String::new();\n    io::stdin().read_line(&mut buf).unwrap();\n    let w = i32::from_str(buf.trim()).unwrap();\n    println!(\n        \"{}\",\n        match w % 2 == 0 && w / 2 % 2 == 0 {\n            true => \"YES\",\n            false => \"NO\",\n        }\n    )\n}\n", "lang": "Rust", "bug_code_uid": "526f7039575c0780edee87f893218953", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "49aaee8ee12b1163654986f2a743a345", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "replace", "lang_cluster": "Rust"}
{"similarity_score": 0.7447774750227066, "equal_cnt": 6, "replace_cnt": 3, "delete_cnt": 1, "insert_cnt": 2, "fix_ops_cnt": 6, "bug_source_code": "use std::io::{self, Read};\n\nfn main() {\n    let mut stdin = io::stdin();\n    let mut buf = String::new();\n    stdin.read_to_string(&mut buf).unwrap();\n\n    let input = buf.parse().unwrap();\n\n    if can_div_melon(input) {\n        println!(\"YES\");\n    } else {\n        println!(\"NO\");\n    }\n}\n\nfn can_div_melon(input: u64) -> bool {\n    input % 2 == 0\n}\n\n#[cfg(test)]\nmod test {\n    use super::*;\n\n    #[test]\n    fn test_pave() {\n        assert_eq!(true, can_div_melon(8));\n    }\n}\n", "lang": "Rust", "bug_code_uid": "3f9f79854a0ad9957420132979cdec82", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "9a1ad91fcbf9bf11dbb8425b3a071f62", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "RUNTIME_ERROR", "potential_dominant_fix_op": "replace", "lang_cluster": "Rust"}
{"similarity_score": 0.9023746701846965, "equal_cnt": 3, "replace_cnt": 1, "delete_cnt": 0, "insert_cnt": 2, "fix_ops_cnt": 3, "bug_source_code": "use std::io::{self, Read};\n\nfn main() {\n    let stdin = io::stdin();\n    let mut buf = String::new();\n    stdin.read_line(&mut buf).unwrap();\n\n    let input = buf.trim();\n    let input = input.parse().expect(\"error parsing\");\n\n    if can_div_melon(input) {\n        println!(\"YES\");\n    } else {\n        println!(\"NO\");\n    }\n}\n\nfn can_div_melon(input: u64) -> bool {\n    input % 2 == 0\n}\n\n#[cfg(test)]\nmod test {\n    use super::*;\n\n    #[test]\n    fn test_pave() {\n        assert_eq!(true, can_div_melon(8));\n    }\n}\n", "lang": "Rust", "bug_code_uid": "663380cb0e6de8fed92adcbe947ef539", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "9a1ad91fcbf9bf11dbb8425b3a071f62", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "insert", "lang_cluster": "Rust"}
{"similarity_score": 0.7176724137931034, "equal_cnt": 6, "replace_cnt": 2, "delete_cnt": 0, "insert_cnt": 4, "fix_ops_cnt": 6, "bug_source_code": "use std::io::{self, Read};\n\nfn main() -> io::Result<()> {\n    let mut buffer = String::new();\n    io::stdin()\n        .read_to_string(&mut buffer)\n        .unwrap();\n    let kilos = buffer\n                    .trim()\n                    .parse::<i32>()\n                    .unwrap();\n\n    if kilos % 8 == 0 {\n        println!(\"YES\");\n    } else {\n        println!(\"NO\");\n    }\n\n    Ok(())\n}\n", "lang": "Rust", "bug_code_uid": "65f93109ee5a4becdd3ef12de18fcfc5", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "73bf341cacfca81f42d10abef677e66f", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "insert", "lang_cluster": "Rust"}
{"similarity_score": 0.9802371541501976, "equal_cnt": 3, "replace_cnt": 0, "delete_cnt": 1, "insert_cnt": 1, "fix_ops_cnt": 2, "bug_source_code": "use std::io;\nfn main() {\n    let i = input();\n    if i % 2 == 0 || i == 2 && i-i == 0 {\n        println!(\"YES\");\n    } else {\n        println!(\"NO\");\n    }\n}\n\ntype IR = i32;\nfn input() -> IR {\n    let mut v = String::new(); let mut _string: String;\n    match io::stdin().read_line(&mut v) {\n        Ok(_) => {\n            _string = v;  \n        },\n        Err(error) => {\n            _string = \"0\".to_string();\n            println!(\"{}\", error);\n        },\n    }\n    _string.trim().parse::<IR>().unwrap()\n}", "lang": "Rust", "bug_code_uid": "67790f60f25dcb86e7bb141bf3e9a407", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "9bc9bae5389c57f0583fb2049c1bcfed", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "delete", "lang_cluster": "Rust"}
{"similarity_score": 0.2895805142083897, "equal_cnt": 10, "replace_cnt": 8, "delete_cnt": 0, "insert_cnt": 3, "fix_ops_cnt": 11, "bug_source_code": "fn main() {\n    let watermelon = kd(k);\n    if watermelon {\n        println!(\"YES\");\n    } else {\n        println!(\"NO\")\n    }\n}\nfn kd(k: i32) -> bool {\n    if k % 2 != 0 || k > 100 || k-k == 2 * k { return false; }\n    return true\n}", "lang": "Rust", "bug_code_uid": "4d44b76c9a7c188665ffff7515e36580", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "9bc9bae5389c57f0583fb2049c1bcfed", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "COMPILATION_ERROR", "potential_dominant_fix_op": "replace", "lang_cluster": "Rust"}
{"similarity_score": 0.9116883116883117, "equal_cnt": 2, "replace_cnt": 0, "delete_cnt": 0, "insert_cnt": 1, "fix_ops_cnt": 1, "bug_source_code": "fn main() {\n    let mut v = String::new();\n    std::io::stdin().read_line(&mut v);\n    let v = v.trim();\n    let result = v.parse::<u32>();\n    let num:u32;\n    match result {\n        Ok(v)=> num = v,\n        Err(e)=> panic!(\"failed to parse {}\",e)\n    }\n    if num % 2 == 0\n    {\n        println!(\"YES\")\n    } else {\n        println!(\"NO\");\n    }\n\n}\n", "lang": "Rust", "bug_code_uid": "43efcf3a9b37cd0e99938721af2f2061", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "f0cd5d97eaf498357d294830590c2e7d", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "insert", "lang_cluster": "Rust"}
{"similarity_score": 0.9789156626506024, "equal_cnt": 2, "replace_cnt": 0, "delete_cnt": 0, "insert_cnt": 1, "fix_ops_cnt": 1, "bug_source_code": "use std::io::stdin;\n\nfn read_int() -> i8 {\n    let mut buffer: String = String::new();\n    stdin().read_line(&mut buffer).expect(\"Error\");\n    buffer.trim().parse::<i8>().unwrap()\n}\n\nfn main() {\n    let value: i8 = read_int();\n    if value % 2 == 0 {\n        println!(\"YES\");\n    }\n    else {\n        println!(\"NO\");\n    }\n}\n", "lang": "Rust", "bug_code_uid": "4626cab8f418687b207d44843ac78157", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "4e4b28ab52ae027eecf47b7a912ffc7b", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "insert", "lang_cluster": "Rust"}
{"similarity_score": 0.8877721943048577, "equal_cnt": 6, "replace_cnt": 4, "delete_cnt": 0, "insert_cnt": 1, "fix_ops_cnt": 5, "bug_source_code": "use std::io;\n\n\nfn is_even(number: u32) -> bool {\n    number % 2 == 0\n}\n\nfn main() {\n    let mut weight = String::new();\n    io::stdin().read_line(&mut weight).unwrap();\n    let weight: u32 = weight.trim().parse().unwrap();\n    println!(\"{}\", if is_even(weight) {\"YES\"} else {\"NO\"});\n}\n", "lang": "Rust", "bug_code_uid": "53912e0f92797133aeeee5c751a7804a", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "0011ee55c63c0682ffa582ef5e76b911", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "replace", "lang_cluster": "Rust"}
{"similarity_score": 0.9789303079416531, "equal_cnt": 4, "replace_cnt": 1, "delete_cnt": 1, "insert_cnt": 1, "fix_ops_cnt": 3, "bug_source_code": "use std::io;\n\n\nfn is_splittable(weight: u32) {\n    weight > 2 && weight % 2 == 0;\n}\n\n\nfn main() {\n    let mut weight = String::new();\n    io::stdin().read_line(&mut weight).unwrap();\n    let weight: u32 = weight.trim().parse().unwrap();\n    println!(\"{}\", if is_splittable(weigth) {\"YES\"} else {\"NO\"});\n}\n", "lang": "Rust", "bug_code_uid": "23b277d9c12e1c74ca2f967181ea935d", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "0011ee55c63c0682ffa582ef5e76b911", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "COMPILATION_ERROR", "potential_dominant_fix_op": "replace", "lang_cluster": "Rust"}
{"similarity_score": 0.9854304635761589, "equal_cnt": 5, "replace_cnt": 1, "delete_cnt": 2, "insert_cnt": 1, "fix_ops_cnt": 4, "bug_source_code": "use std::io;\n\nfn main() {\n    let mut w = String::new();\n    io::stdin()\n        .read_line(&mut w)\n        .expect(\"Read error\");\n    \n    let w: isize = w.parse().expect(\"Parse error\");\n    \n    let mut i = 0;\n    while i < w && (i % 2 == 1 || (w - i) % 2 == 1) {\n        i += 1;\n    }\n\n    if (i < w) {\n        println!(\"YES\");\n    } else {\n        println!(\"NO\");\n    }\n}", "lang": "Rust", "bug_code_uid": "fde035ec8d77aac691d67ec7bf0fea4a", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "fcd575f0eadd9a820659de6e02c0932a", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "RUNTIME_ERROR", "potential_dominant_fix_op": "delete", "lang_cluster": "Rust"}
{"similarity_score": 0.9973684210526316, "equal_cnt": 2, "replace_cnt": 1, "delete_cnt": 0, "insert_cnt": 0, "fix_ops_cnt": 1, "bug_source_code": "use std::io;\n\nfn main() {\n    let mut w = String::new();\n    io::stdin()\n        .read_line(&mut w)\n        .expect(\"Read error\");\n    \n    let w: isize = w.trim().parse().expect(\"Parse error\");\n    \n    let mut i = 0;\n    while i < w && (i % 2 == 1 || (w - i) % 2 == 1) {\n        i += 1;\n    }\n\n    if i < w {\n        println!(\"YES\");\n    } else {\n        println!(\"NO\");\n    }\n}", "lang": "Rust", "bug_code_uid": "65693145c097e9c57d49ef189a7dde5a", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "fcd575f0eadd9a820659de6e02c0932a", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "replace", "lang_cluster": "Rust"}
{"similarity_score": 0.9638888888888889, "equal_cnt": 4, "replace_cnt": 2, "delete_cnt": 0, "insert_cnt": 1, "fix_ops_cnt": 3, "bug_source_code": "use std::io;\n\nfn even_parts(w: i32) -> &'static str {\n    match w % 2 {\n        0 => \"yes\",\n        _ => \"no\",\n    }\n}\n\nfn main() {\n    let mut input = String::new();\n    io::stdin()\n        .read_line(&mut input)\n        .expect(\"Failed to read input\");\n    let rinput: i32 = input.trim().parse().unwrap();\n    println!(\"{}\", even_parts(rinput));\n}", "lang": "Rust", "bug_code_uid": "71d4bcdc9bc77b280d51148e59ac1fd2", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "614374c4b6bcfc5be17c99515c303294", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "replace", "lang_cluster": "Rust"}
{"similarity_score": 0.9724770642201835, "equal_cnt": 1, "replace_cnt": 0, "delete_cnt": 1, "insert_cnt": 0, "fix_ops_cnt": 1, "bug_source_code": "use std::io;\n\nfn even_parts(w: i32) -> &'static str {\n    match w % 2 == 0 && w != 2 {\n        true => \"yes\",\n        false => \"no\",\n    }\n}\n\nfn main() {\n    let mut input = String::new();\n    io::stdin()\n        .read_line(&mut input)\n        .expect(\"Failed to read input\");\n    let rinput: i32 = input.trim().parse().unwrap();\n    println!(\"{}\", even_parts(rinput));\n}\n[2:39 PM] fl: heres ", "lang": "Rust", "bug_code_uid": "01a59e14c43a28cc30d6d90d813d5215", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "614374c4b6bcfc5be17c99515c303294", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "COMPILATION_ERROR", "potential_dominant_fix_op": "delete", "lang_cluster": "Rust"}
{"similarity_score": 0.9122203098106713, "equal_cnt": 2, "replace_cnt": 0, "delete_cnt": 0, "insert_cnt": 2, "fix_ops_cnt": 2, "bug_source_code": "use std::io;\nfn main(){\n    let mut x = String::new();\n    io::stdin().read_line(&mut x).expect(\"there is not input\");\n    let x:u32 = x.trim().parse().expect(\"not ingeger\");\n    if x % 2 == 0{\n        println!(\"YES\\n\");\n    }else{\n        println!(\"NO\\n\");\n    }\n}", "lang": "Rust", "bug_code_uid": "8791719e61c7ca45cc2e54990b2cc211", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "0ef474666a5511d48779ca4f11320e3c", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "insert", "lang_cluster": "Rust"}
{"similarity_score": 0.99568345323741, "equal_cnt": 2, "replace_cnt": 1, "delete_cnt": 0, "insert_cnt": 1, "fix_ops_cnt": 2, "bug_source_code": "fn main() {\n    let mut input = String::new();\n    std::io::stdin().read_line(&mut input).expect(\"Failed\");\n\n    let weight = input.trim().parse::<i32>().unwrap_or(-1);\n\n    if weight < 1 || weight > 100 {\n        println!(\"NO\");\n        return;\n    }\n\n    if weight % 2 == 0 {\n        println!(\"YES\");\n        return;\n    }\n\n    println!(\"NO\");\n}", "lang": "Rust", "bug_code_uid": "5f9fb5260da0b839ceee561b5d889da3", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "526cae8e63d881b7e0b10963afbde6ba", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "replace", "lang_cluster": "Rust"}
{"similarity_score": 0.9805194805194806, "equal_cnt": 2, "replace_cnt": 0, "delete_cnt": 0, "insert_cnt": 1, "fix_ops_cnt": 1, "bug_source_code": "use std::io::stdin;\n\nfn main() {\n    let stdin = stdin();\n    let mut b: String = String::new();\n    stdin.read_line(&mut b).ok().expect(\"Error read line\");\n    let num: i32 = b.trim().parse::<i32>().unwrap();\n    if num % 2 == 0 {\n        println!(\"YES\");\n    } else {\n        println!(\"NO\");\n    }\n}\n", "lang": "Rust", "bug_code_uid": "1abd2aafb29c3467f75368a3468633fb", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "74c28697eeeda295b276bb4cf54e4e4f", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "insert", "lang_cluster": "Rust"}
{"similarity_score": 0.9977151561309977, "equal_cnt": 3, "replace_cnt": 0, "delete_cnt": 2, "insert_cnt": 0, "fix_ops_cnt": 2, "bug_source_code": "fn main() {\n    let input = get_input().parse::<i8>().unwrap();\n    let mut flag = false;\n\n    for i in 1..input+1 {\n        if (i % 2 == 0) && ((input - i) % 2 == 0) {\n            flag = true;\n            break;\n        }\n    }\n\n    if flag {\n        println!(\"YES\");\n    } else {\n        println!(\"NO\");\n    }\n}\n\nfn get_input() -> String {\n    use std::io::{stdin,stdout,Write};\n    let mut s=String::new();\n    stdout().flush().expect(\"Output Error!\");\n    stdin().read_line(&mut s).expect(\"Input Error!\");\n    if let Some('\\n')=s.chars().next_back() {\n        s.pop();\n    }\n    if let Some('\\r')=s.chars().next_back() {\n        s.pop();\n    }\n\n    s\n}\n\n", "lang": "Rust", "bug_code_uid": "ce646a0ba02545d216d3c69f1568732f", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "77032a70c31fb7fca3eafdc47a592a49", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "delete", "lang_cluster": "Rust"}
{"similarity_score": 0.977299880525687, "equal_cnt": 3, "replace_cnt": 1, "delete_cnt": 0, "insert_cnt": 1, "fix_ops_cnt": 2, "bug_source_code": "#[allow(unused_imports)]\nuse std::cmp::{min,max};\nuse std::io::{BufWriter, stdin, stdout, Write};\n\n#[derive(Default)]\nstruct Scanner {\n    buffer: Vec<String>\n}\nimpl Scanner {\n    fn next<T: std::str::FromStr>(&mut self) -> T {\n        loop {\n            if let Some(token) = self.buffer.pop() {\n                return token.parse().ok().expect(\"Failed parse\");\n            }\n            let mut input = String::new();\n            stdin().read_line(&mut input).expect(\"Failed read\");\n            self.buffer = input.split_whitespace().rev().map(String::from).collect();\n        }\n    }\n}\n\nfn main() {\n    let mut scan = Scanner::default();\n    let out = &mut BufWriter::new(stdout());\n    \n    if (scan.next::<i16>() - 2) % 2 == 0 {\n        writeln!(out, \"Yes\").ok();\n    } else {\n        writeln!(out, \"No\").ok();\n    }    \n\n}", "lang": "Rust", "bug_code_uid": "54fd43807782f363454f3909999056a0", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "f89e5fae39b42cd055e6a6b21e44bf73", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "replace", "lang_cluster": "Rust"}
{"similarity_score": 0.9764150943396226, "equal_cnt": 2, "replace_cnt": 0, "delete_cnt": 0, "insert_cnt": 1, "fix_ops_cnt": 1, "bug_source_code": "use std::io;\n\nfn main() {\n\tlet mut s = String::new();\n\tio::stdin().read_line(&mut s).unwrap();\n\tlet w = s.trim().parse::<i32>().unwrap();\n\tif w % 2 == 0 {\n\t\tprintln!(\"YES\");\n\t} else {\n\t\tprintln!(\"NO\");\n\t}\n}\n", "lang": "Rust", "bug_code_uid": "3d6e91b4b334a06361866ff088a106e5", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "07d0350f916bd00dce36477065986fd7", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "insert", "lang_cluster": "Rust"}
{"similarity_score": 0.7927170868347339, "equal_cnt": 13, "replace_cnt": 3, "delete_cnt": 2, "insert_cnt": 7, "fix_ops_cnt": 12, "bug_source_code": "use std::io;\nuse std::io::stdin;\nuse term::stdout;\n\nfn main() {\n\n    let mut input = String::new();\n\n    io::stdin()\n        .read_line(&mut input);\n\n    let weight:u32 = match input.trim().parse() {\n        Ok(num) => num,\n        Err(e) => e,\n    };\n\n    if weight%2 = 0 {\n        println!(\"YES\")\n    } else {\n        println!(\"NO\")\n    }\n\n}\n", "lang": "Rust", "bug_code_uid": "c733272454f9d0fca84ebba2b5740cc6", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "751deffc11e81dc8786c95e02145fe45", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "COMPILATION_ERROR", "potential_dominant_fix_op": "insert", "lang_cluster": "Rust"}
{"similarity_score": 0.9527777777777777, "equal_cnt": 11, "replace_cnt": 1, "delete_cnt": 3, "insert_cnt": 6, "fix_ops_cnt": 10, "bug_source_code": "use std::io;\n\nfn main() {\n\n    let mut input = String::new();\n\n    io::stdin()\n        .read_line(&mut input)\n        .expect(\"Error\");\n\n    let weight:u32 = match input.trim().parse() {\n        Ok(num) => num,\n        Err(_) => 0,\n    };\n\n    if weight != 0 && weight % 2 == 0  {\n        println!(\"YES\")\n    } else {\n        println!(\"NO\")\n    }\n\n}\n", "lang": "Rust", "bug_code_uid": "a769915049e65d40809c7e5a4121baf7", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "751deffc11e81dc8786c95e02145fe45", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "insert", "lang_cluster": "Rust"}
{"similarity_score": 0.556491488025254, "equal_cnt": 19, "replace_cnt": 11, "delete_cnt": 4, "insert_cnt": 4, "fix_ops_cnt": 19, "bug_source_code": "//https://github.com/manta1130/competitive-template-rs\n\nuse input::*;\n\npub mod input {\n    use std::cell::RefCell;\n    use std::io;\n    pub const SPLIT_DELIMITER: char = ' ';\n    pub use std::io::prelude::*;\n\n    #[macro_export]\n    thread_local! {\n        pub static INPUT_BUFFER:RefCell<std::collections::VecDeque<String>>=RefCell::new(std::collections::VecDeque::new());\n    }\n\n    #[macro_export]\n    macro_rules! input_internal {\n        ($x:ident : $t:ty) => {\n            INPUT_BUFFER.with(|p| {\n                if p.borrow().len() == 0 {\n                    let temp_str = input_line_str();\n                    let mut split_result_iter = temp_str\n                        .split(SPLIT_DELIMITER)\n                        .map(|q| q.to_string())\n                        .collect::<std::collections::VecDeque<_>>();\n                    p.borrow_mut().append(&mut split_result_iter)\n                }\n            });\n            let mut buf_split_result = String::new();\n            INPUT_BUFFER.with(|p| buf_split_result = p.borrow_mut().pop_front().unwrap());\n            let $x: $t = buf_split_result.parse().unwrap();\n        };\n        (mut $x:ident : $t:ty) => {\n            INPUT_BUFFER.with(|p| {\n                if p.borrow().len() == 0 {\n                    let temp_str = input_line_str();\n                    let mut split_result_iter = temp_str\n                        .split(SPLIT_DELIMITER)\n                        .map(|q| q.to_string())\n                        .collect::<std::collections::VecDeque<_>>();\n                    p.borrow_mut().append(&mut split_result_iter)\n                }\n            });\n            let mut buf_split_result = String::new();\n            INPUT_BUFFER.with(|p| buf_split_result = p.borrow_mut().pop_front().unwrap());\n            let mut $x: $t = buf_split_result.parse().unwrap();\n        };\n    }\n\n    #[macro_export]\n    macro_rules! inputv {\n    ($i:ident : $t:ty) => {\n        input_internal!{$i : $t}\n    };\n    (mut $i:ident : $t:ty) => {\n        input_internal!{mut $i : $t}\n    };\n    ($i:ident : $t:ty $(,)*) => {\n            input_internal!{$i : $t}\n    };\n    (mut $i:ident : $t:ty $(,)*) => {\n            input_internal!{mut $i : $t}\n    };\n    (mut $i:ident : $t:ty,$($q:tt)*) => {\n            input_internal!{mut $i : $t}\n            inputv!{$($q)*}\n    };\n    ($i:ident : $t:ty,$($q:tt)*) => {\n            input_internal!{$i : $t}\n            inputv!{$($q)*}\n    };\n}\n\n    pub fn input_all() {\n        INPUT_BUFFER.with(|p| {\n            if p.borrow().len() == 0 {\n                let mut temp_str = String::new();\n                std::io::stdin().read_to_string(&mut temp_str).unwrap();\n                let mut split_result_iter = temp_str\n                    .split_whitespace()\n                    .map(|q| q.to_string())\n                    .collect::<std::collections::VecDeque<_>>();\n                p.borrow_mut().append(&mut split_result_iter)\n            }\n        });\n    }\n\n    pub fn input_line_str() -> String {\n        let mut s = String::new();\n        io::stdin().read_line(&mut s).unwrap();\n        s.trim().to_string()\n    }\n\n    #[allow(clippy::match_wild_err_arm)]\n    pub fn input_vector<T>() -> Vec<T>\n    where\n        T: std::str::FromStr,\n    {\n        let mut v: Vec<T> = Vec::new();\n\n        let s = input_line_str();\n        let split_result = s.split(SPLIT_DELIMITER);\n        for z in split_result {\n            let buf = match z.parse() {\n                Ok(r) => r,\n                Err(_) => panic!(\"Parse Error\",),\n            };\n            v.push(buf);\n        }\n        v\n    }\n\n    #[allow(clippy::match_wild_err_arm)]\n    pub fn input_vector_row<T>(n: usize) -> Vec<T>\n    where\n        T: std::str::FromStr,\n    {\n        let mut v = Vec::with_capacity(n);\n        for _ in 0..n {\n            let buf = match input_line_str().parse() {\n                Ok(r) => r,\n                Err(_) => panic!(\"Parse Error\",),\n            };\n            v.push(buf);\n        }\n        v\n    }\n\n    pub trait ToCharVec {\n        fn to_charvec(&self) -> Vec<char>;\n    }\n\n    impl ToCharVec for String {\n        fn to_charvec(&self) -> Vec<char> {\n            self.to_string().chars().collect::<Vec<_>>()\n        }\n    }\n}\n\n//https://github.com/rust-lang-ja/ac-library-rs\n//https://github.com/manta1130/competitive-template-rs\n\nuse input::*;\nuse modint::*;\n\npub mod input {\n    use std::cell::RefCell;\n    use std::io;\n    pub const SPLIT_DELIMITER: char = ' ';\n    pub use std::io::prelude::*;\n\n    #[macro_export]\n    thread_local! {\n        pub static INPUT_BUFFER:RefCell<std::collections::VecDeque<String>>=RefCell::new(std::collections::VecDeque::new());\n    }\n\n    #[macro_export]\n    macro_rules! input_internal {\n        ($x:ident : $t:ty) => {\n            INPUT_BUFFER.with(|p| {\n                if p.borrow().len() == 0 {\n                    let temp_str = input_line_str();\n                    let mut split_result_iter = temp_str\n                        .split(SPLIT_DELIMITER)\n                        .map(|q| q.to_string())\n                        .collect::<std::collections::VecDeque<_>>();\n                    p.borrow_mut().append(&mut split_result_iter)\n                }\n            });\n            let mut buf_split_result = String::new();\n            INPUT_BUFFER.with(|p| buf_split_result = p.borrow_mut().pop_front().unwrap());\n            let $x: $t = buf_split_result.parse().unwrap();\n        };\n        (mut $x:ident : $t:ty) => {\n            INPUT_BUFFER.with(|p| {\n                if p.borrow().len() == 0 {\n                    let temp_str = input_line_str();\n                    let mut split_result_iter = temp_str\n                        .split(SPLIT_DELIMITER)\n                        .map(|q| q.to_string())\n                        .collect::<std::collections::VecDeque<_>>();\n                    p.borrow_mut().append(&mut split_result_iter)\n                }\n            });\n            let mut buf_split_result = String::new();\n            INPUT_BUFFER.with(|p| buf_split_result = p.borrow_mut().pop_front().unwrap());\n            let mut $x: $t = buf_split_result.parse().unwrap();\n        };\n    }\n\n    #[macro_export]\n    macro_rules! inputv {\n    ($i:ident : $t:ty) => {\n        input_internal!{$i : $t}\n    };\n    (mut $i:ident : $t:ty) => {\n        input_internal!{mut $i : $t}\n    };\n    ($i:ident : $t:ty $(,)*) => {\n            input_internal!{$i : $t}\n    };\n    (mut $i:ident : $t:ty $(,)*) => {\n            input_internal!{mut $i : $t}\n    };\n    (mut $i:ident : $t:ty,$($q:tt)*) => {\n            input_internal!{mut $i : $t}\n            inputv!{$($q)*}\n    };\n    ($i:ident : $t:ty,$($q:tt)*) => {\n            input_internal!{$i : $t}\n            inputv!{$($q)*}\n    };\n}\n\n    pub fn input_all() {\n        INPUT_BUFFER.with(|p| {\n            if p.borrow().len() == 0 {\n                let mut temp_str = String::new();\n                std::io::stdin().read_to_string(&mut temp_str).unwrap();\n                let mut split_result_iter = temp_str\n                    .split_whitespace()\n                    .map(|q| q.to_string())\n                    .collect::<std::collections::VecDeque<_>>();\n                p.borrow_mut().append(&mut split_result_iter)\n            }\n        });\n    }\n\n    pub fn input_line_str() -> String {\n        let mut s = String::new();\n        io::stdin().read_line(&mut s).unwrap();\n        s.trim().to_string()\n    }\n\n    #[allow(clippy::match_wild_err_arm)]\n    pub fn input_vector<T>() -> Vec<T>\n    where\n        T: std::str::FromStr,\n    {\n        let mut v: Vec<T> = Vec::new();\n\n        let s = input_line_str();\n        let split_result = s.split(SPLIT_DELIMITER);\n        for z in split_result {\n            let buf = match z.parse() {\n                Ok(r) => r,\n                Err(_) => panic!(\"Parse Error\",),\n            };\n            v.push(buf);\n        }\n        v\n    }\n\n    #[allow(clippy::match_wild_err_arm)]\n    pub fn input_vector_row<T>(n: usize) -> Vec<T>\n    where\n        T: std::str::FromStr,\n    {\n        let mut v = Vec::with_capacity(n);\n        for _ in 0..n {\n            let buf = match input_line_str().parse() {\n                Ok(r) => r,\n                Err(_) => panic!(\"Parse Error\",),\n            };\n            v.push(buf);\n        }\n        v\n    }\n\n    pub trait ToCharVec {\n        fn to_charvec(&self) -> Vec<char>;\n    }\n\n    impl ToCharVec for String {\n        fn to_charvec(&self) -> Vec<char> {\n            self.to_string().chars().collect::<Vec<_>>()\n        }\n    }\n}\npub mod internal_math {\n    #![allow(dead_code)]\n    use std::mem::swap;\n\n    /* const */\n    pub(crate) fn safe_mod(mut x: i64, m: i64) -> i64 {\n        x %= m;\n        if x < 0 {\n            x += m;\n        }\n        x\n    }\n\n    pub(crate) struct Barrett {\n        pub(crate) _m: u32,\n        pub(crate) im: u64,\n    }\n\n    impl Barrett {\n        pub(crate) fn new(m: u32) -> Barrett {\n            Barrett {\n                _m: m,\n                im: (-1i64 as u64 / m as u64).wrapping_add(1),\n            }\n        }\n\n        pub(crate) fn umod(&self) -> u32 {\n            self._m\n        }\n\n        #[allow(clippy::many_single_char_names)]\n        pub(crate) fn mul(&self, a: u32, b: u32) -> u32 {\n            mul_mod(a, b, self._m, self.im)\n        }\n    }\n\n    #[allow(clippy::many_single_char_names)]\n    pub(crate) fn mul_mod(a: u32, b: u32, m: u32, im: u64) -> u32 {\n        let mut z = a as u64;\n        z *= b as u64;\n        let x = (((z as u128) * (im as u128)) >> 64) as u64;\n        let mut v = z.wrapping_sub(x.wrapping_mul(m as u64)) as u32;\n        if m <= v {\n            v = v.wrapping_add(m);\n        }\n        v\n    }\n\n    /* const */\n    #[allow(clippy::many_single_char_names)]\n    pub(crate) fn pow_mod(x: i64, mut n: i64, m: i32) -> i64 {\n        if m == 1 {\n            return 0;\n        }\n        let _m = m as u32;\n        let mut r: u64 = 1;\n        let mut y: u64 = safe_mod(x, m as i64) as u64;\n        while n != 0 {\n            if (n & 1) > 0 {\n                r = (r * y) % (_m as u64);\n            }\n            y = (y * y) % (_m as u64);\n            n >>= 1;\n        }\n        r as i64\n    }\n\n    /* const */\n    pub(crate) fn is_prime(n: i32) -> bool {\n        let n = n as i64;\n        match n {\n            _ if n <= 1 => return false,\n            2 | 7 | 61 => return true,\n            _ if n % 2 == 0 => return false,\n            _ => {}\n        }\n        let mut d = n - 1;\n        while d % 2 == 0 {\n            d /= 2;\n        }\n        for &a in &[2, 7, 61] {\n            let mut t = d;\n            let mut y = pow_mod(a, t, n as i32);\n            while t != n - 1 && y != 1 && y != n - 1 {\n                y = y * y % n;\n                t <<= 1;\n            }\n            if y != n - 1 && t % 2 == 0 {\n                return false;\n            }\n        }\n        true\n    }\n\n    /* const */\n    #[allow(clippy::many_single_char_names)]\n    pub(crate) fn inv_gcd(a: i64, b: i64) -> (i64, i64) {\n        let a = safe_mod(a, b);\n        if a == 0 {\n            return (b, 0);\n        }\n\n        let mut s = b;\n        let mut t = a;\n        let mut m0 = 0;\n        let mut m1 = 1;\n\n        while t != 0 {\n            let u = s / t;\n            s -= t * u;\n            m0 -= m1 * u; // |m1 * u| <= |m1| * s <= b\n\n            swap(&mut s, &mut t);\n            swap(&mut m0, &mut m1);\n        }\n        if m0 < 0 {\n            m0 += b / s;\n        }\n        (s, m0)\n    }\n\n    /* const */\n    pub(crate) fn primitive_root(m: i32) -> i32 {\n        match m {\n            2 => return 1,\n            167_772_161 => return 3,\n            469_762_049 => return 3,\n            754_974_721 => return 11,\n            998_244_353 => return 3,\n            _ => {}\n        }\n\n        let mut divs = [0; 20];\n        divs[0] = 2;\n        let mut cnt = 1;\n        let mut x = (m - 1) / 2;\n        while x % 2 == 0 {\n            x /= 2;\n        }\n        for i in (3..std::i32::MAX).step_by(2) {\n            if i as i64 * i as i64 > x as i64 {\n                break;\n            }\n            if x % i == 0 {\n                divs[cnt] = i;\n                cnt += 1;\n                while x % i == 0 {\n                    x /= i;\n                }\n            }\n        }\n        if x > 1 {\n            divs[cnt] = x;\n            cnt += 1;\n        }\n        let mut g = 2;\n        loop {\n            if (0..cnt).all(|i| pow_mod(g, ((m - 1) / divs[i]) as i64, m) != 1) {\n                break g as i32;\n            }\n            g += 1;\n        }\n    }\n}\npub mod modint {\n\n    use crate::internal_math;\n    use std::{\n        cell::RefCell,\n        convert::{Infallible, TryInto as _},\n        fmt,\n        hash::{Hash, Hasher},\n        iter::{Product, Sum},\n        marker::PhantomData,\n        ops::{Add, AddAssign, Div, DivAssign, Mul, MulAssign, Neg, Sub, SubAssign},\n        str::FromStr,\n        sync::atomic::{self, AtomicU32, AtomicU64},\n        thread::LocalKey,\n    };\n\n    pub type ModInt1000000007 = StaticModInt<Mod1000000007>;\n    pub type ModInt998244353 = StaticModInt<Mod998244353>;\n    pub type ModInt = DynamicModInt<DefaultId>;\n\n    #[derive(Copy, Clone, Eq, PartialEq)]\n    #[repr(transparent)]\n    pub struct StaticModInt<M> {\n        val: u32,\n        phantom: PhantomData<fn() -> M>,\n    }\n\n    impl<M: Modulus> StaticModInt<M> {\n        #[inline(always)]\n        pub fn modulus() -> u32 {\n            M::VALUE\n        }\n\n        #[inline]\n        pub fn new<T: RemEuclidU32>(val: T) -> Self {\n            Self::raw(val.rem_euclid_u32(M::VALUE))\n        }\n\n        #[inline]\n        pub fn raw(val: u32) -> Self {\n            Self {\n                val,\n                phantom: PhantomData,\n            }\n        }\n\n        #[inline]\n        pub fn val(self) -> u32 {\n            self.val\n        }\n\n        #[inline]\n        pub fn pow(self, n: u64) -> Self {\n            <Self as ModIntBase>::pow(self, n)\n        }\n\n        #[inline]\n        pub fn inv(self) -> Self {\n            if M::HINT_VALUE_IS_PRIME {\n                if self.val() == 0 {\n                    panic!(\"attempt to divide by zero\");\n                }\n                debug_assert!(\n                    internal_math::is_prime(M::VALUE.try_into().unwrap()),\n                    \"{} is not a prime number\",\n                    M::VALUE,\n                );\n                self.pow((M::VALUE - 2).into())\n            } else {\n                Self::inv_for_non_prime_modulus(self)\n            }\n        }\n    }\n\n    impl<M: Modulus> ModIntBase for StaticModInt<M> {\n        #[inline(always)]\n        fn modulus() -> u32 {\n            Self::modulus()\n        }\n\n        #[inline]\n        fn raw(val: u32) -> Self {\n            Self::raw(val)\n        }\n\n        #[inline]\n        fn val(self) -> u32 {\n            self.val()\n        }\n\n        #[inline]\n        fn inv(self) -> Self {\n            self.inv()\n        }\n    }\n\n    pub trait Modulus: 'static + Copy + Eq {\n        const VALUE: u32;\n        const HINT_VALUE_IS_PRIME: bool;\n\n        fn butterfly_cache() -> &'static LocalKey<RefCell<Option<ButterflyCache<Self>>>>;\n    }\n\n    #[derive(Copy, Clone, Ord, PartialOrd, Eq, PartialEq, Hash, Debug)]\n    pub enum Mod1000000007 {}\n\n    impl Modulus for Mod1000000007 {\n        const VALUE: u32 = 1_000_000_007;\n        const HINT_VALUE_IS_PRIME: bool = true;\n\n        fn butterfly_cache() -> &'static LocalKey<RefCell<Option<ButterflyCache<Self>>>> {\n            thread_local! {\n                static BUTTERFLY_CACHE: RefCell<Option<ButterflyCache<Mod1000000007>>> = RefCell::default();\n            }\n            &BUTTERFLY_CACHE\n        }\n    }\n\n    #[derive(Copy, Clone, Ord, PartialOrd, Eq, PartialEq, Hash, Debug)]\n    pub enum Mod998244353 {}\n\n    impl Modulus for Mod998244353 {\n        const VALUE: u32 = 998_244_353;\n        const HINT_VALUE_IS_PRIME: bool = true;\n\n        fn butterfly_cache() -> &'static LocalKey<RefCell<Option<ButterflyCache<Self>>>> {\n            thread_local! {\n                static BUTTERFLY_CACHE: RefCell<Option<ButterflyCache<Mod998244353>>> = RefCell::default();\n            }\n            &BUTTERFLY_CACHE\n        }\n    }\n\n    pub struct ButterflyCache<M> {\n        pub(crate) sum_e: Vec<StaticModInt<M>>,\n        pub(crate) sum_ie: Vec<StaticModInt<M>>,\n    }\n\n    #[derive(Copy, Clone, Eq, PartialEq)]\n    #[repr(transparent)]\n    pub struct DynamicModInt<I> {\n        val: u32,\n        phantom: PhantomData<fn() -> I>,\n    }\n\n    impl<I: Id> DynamicModInt<I> {\n        #[inline]\n        pub fn modulus() -> u32 {\n            I::companion_barrett().umod()\n        }\n\n        #[inline]\n        pub fn set_modulus(modulus: u32) {\n            if modulus == 0 {\n                panic!(\"the modulus must not be 0\");\n            }\n            I::companion_barrett().update(modulus);\n        }\n\n        #[inline]\n        pub fn new<T: RemEuclidU32>(val: T) -> Self {\n            <Self as ModIntBase>::new(val)\n        }\n\n        #[inline]\n        pub fn raw(val: u32) -> Self {\n            Self {\n                val,\n                phantom: PhantomData,\n            }\n        }\n\n        #[inline]\n        pub fn val(self) -> u32 {\n            self.val\n        }\n\n        #[inline]\n        pub fn pow(self, n: u64) -> Self {\n            <Self as ModIntBase>::pow(self, n)\n        }\n\n        #[inline]\n        pub fn inv(self) -> Self {\n            Self::inv_for_non_prime_modulus(self)\n        }\n    }\n\n    impl<I: Id> ModIntBase for DynamicModInt<I> {\n        #[inline]\n        fn modulus() -> u32 {\n            Self::modulus()\n        }\n\n        #[inline]\n        fn raw(val: u32) -> Self {\n            Self::raw(val)\n        }\n\n        #[inline]\n        fn val(self) -> u32 {\n            self.val()\n        }\n\n        #[inline]\n        fn inv(self) -> Self {\n            self.inv()\n        }\n    }\n\n    pub trait Id: 'static + Copy + Eq {\n        fn companion_barrett() -> &'static Barrett;\n    }\n\n    #[derive(Copy, Clone, Ord, PartialOrd, Eq, PartialEq, Hash, Debug)]\n    pub enum DefaultId {}\n\n    impl Id for DefaultId {\n        fn companion_barrett() -> &'static Barrett {\n            static BARRETT: Barrett = Barrett::default();\n            &BARRETT\n        }\n    }\n\n    pub struct Barrett {\n        m: AtomicU32,\n        im: AtomicU64,\n    }\n\n    impl Barrett {\n        #[inline]\n        pub const fn new(m: u32) -> Self {\n            Self {\n                m: AtomicU32::new(m),\n                im: AtomicU64::new((-1i64 as u64 / m as u64).wrapping_add(1)),\n            }\n        }\n\n        #[inline]\n        const fn default() -> Self {\n            Self::new(998_244_353)\n        }\n\n        #[inline]\n        fn update(&self, m: u32) {\n            let im = (-1i64 as u64 / m as u64).wrapping_add(1);\n            self.m.store(m, atomic::Ordering::SeqCst);\n            self.im.store(im, atomic::Ordering::SeqCst);\n        }\n\n        #[inline]\n        fn umod(&self) -> u32 {\n            self.m.load(atomic::Ordering::SeqCst)\n        }\n\n        #[inline]\n        fn mul(&self, a: u32, b: u32) -> u32 {\n            let m = self.m.load(atomic::Ordering::SeqCst);\n            let im = self.im.load(atomic::Ordering::SeqCst);\n            internal_math::mul_mod(a, b, m, im)\n        }\n    }\n\n    impl Default for Barrett {\n        #[inline]\n        fn default() -> Self {\n            Self::default()\n        }\n    }\n\n    pub trait ModIntBase:\n        Default\n        + FromStr\n        + From<i8>\n        + From<i16>\n        + From<i32>\n        + From<i64>\n        + From<i128>\n        + From<isize>\n        + From<u8>\n        + From<u16>\n        + From<u32>\n        + From<u64>\n        + From<u128>\n        + From<usize>\n        + Copy\n        + Eq\n        + Hash\n        + fmt::Display\n        + fmt::Debug\n        + Neg<Output = Self>\n        + Add<Output = Self>\n        + Sub<Output = Self>\n        + Mul<Output = Self>\n        + Div<Output = Self>\n        + AddAssign\n        + SubAssign\n        + MulAssign\n        + DivAssign\n    {\n        fn modulus() -> u32;\n\n        fn raw(val: u32) -> Self;\n\n        fn val(self) -> u32;\n\n        fn inv(self) -> Self;\n\n        #[inline]\n        fn new<T: RemEuclidU32>(val: T) -> Self {\n            Self::raw(val.rem_euclid_u32(Self::modulus()))\n        }\n\n        #[inline]\n        fn pow(self, mut n: u64) -> Self {\n            let mut x = self;\n            let mut r = Self::raw(1);\n            while n > 0 {\n                if n & 1 == 1 {\n                    r *= x;\n                }\n                x *= x;\n                n >>= 1;\n            }\n            r\n        }\n    }\n\n    pub trait RemEuclidU32 {\n        fn rem_euclid_u32(self, modulus: u32) -> u32;\n    }\n\n    macro_rules! impl_rem_euclid_u32_for_small_signed {\n    ($($ty:tt),*) => {\n        $(\n            impl RemEuclidU32 for $ty {\n                #[inline]\n                fn rem_euclid_u32(self, modulus: u32) -> u32 {\n                    (self as i64).rem_euclid(i64::from(modulus)) as _\n                }\n            }\n        )*\n    }\n}\n\n    impl_rem_euclid_u32_for_small_signed!(i8, i16, i32, i64, isize);\n\n    impl RemEuclidU32 for i128 {\n        #[inline]\n        fn rem_euclid_u32(self, modulus: u32) -> u32 {\n            self.rem_euclid(i128::from(modulus)) as _\n        }\n    }\n\n    macro_rules! impl_rem_euclid_u32_for_small_unsigned {\n    ($($ty:tt),*) => {\n        $(\n            impl RemEuclidU32 for $ty {\n                #[inline]\n                fn rem_euclid_u32(self, modulus: u32) -> u32 {\n                    self as u32 % modulus\n                }\n            }\n        )*\n    }\n}\n\n    macro_rules! impl_rem_euclid_u32_for_large_unsigned {\n    ($($ty:tt),*) => {\n        $(\n            impl RemEuclidU32 for $ty {\n                #[inline]\n                fn rem_euclid_u32(self, modulus: u32) -> u32 {\n                    (self % (modulus as $ty)) as _\n                }\n            }\n        )*\n    }\n}\n\n    impl_rem_euclid_u32_for_small_unsigned!(u8, u16, u32);\n    impl_rem_euclid_u32_for_large_unsigned!(u64, u128);\n\n    #[cfg(target_pointer_width = \"32\")]\n    impl_rem_euclid_u32_for_small_unsigned!(usize);\n\n    #[cfg(target_pointer_width = \"64\")]\n    impl_rem_euclid_u32_for_large_unsigned!(usize);\n\n    trait InternalImplementations: ModIntBase {\n        #[inline]\n        fn inv_for_non_prime_modulus(this: Self) -> Self {\n            let (gcd, x) = internal_math::inv_gcd(this.val().into(), Self::modulus().into());\n            if gcd != 1 {\n                panic!(\"the multiplicative inverse does not exist\");\n            }\n            Self::new(x)\n        }\n\n        #[inline]\n        fn default_impl() -> Self {\n            Self::raw(0)\n        }\n\n        #[inline]\n        fn from_str_impl(s: &str) -> Result<Self, Infallible> {\n            Ok(s.parse::<i64>()\n                .map(Self::new)\n                .unwrap_or_else(|_| todo!(\"parsing as an arbitrary precision integer?\")))\n        }\n\n        #[inline]\n        fn hash_impl(this: &Self, state: &mut impl Hasher) {\n            this.val().hash(state)\n        }\n\n        #[inline]\n        fn display_impl(this: &Self, f: &mut fmt::Formatter) -> fmt::Result {\n            fmt::Display::fmt(&this.val(), f)\n        }\n\n        #[inline]\n        fn debug_impl(this: &Self, f: &mut fmt::Formatter) -> fmt::Result {\n            fmt::Debug::fmt(&this.val(), f)\n        }\n\n        #[inline]\n        fn neg_impl(this: Self) -> Self {\n            Self::sub_impl(Self::raw(0), this)\n        }\n\n        #[inline]\n        fn add_impl(lhs: Self, rhs: Self) -> Self {\n            let modulus = Self::modulus();\n            let mut val = lhs.val() + rhs.val();\n            if val >= modulus {\n                val -= modulus;\n            }\n            Self::raw(val)\n        }\n\n        #[inline]\n        fn sub_impl(lhs: Self, rhs: Self) -> Self {\n            let modulus = Self::modulus();\n            let mut val = lhs.val().wrapping_sub(rhs.val());\n            if val >= modulus {\n                val = val.wrapping_add(modulus)\n            }\n            Self::raw(val)\n        }\n\n        fn mul_impl(lhs: Self, rhs: Self) -> Self;\n\n        #[inline]\n        fn div_impl(lhs: Self, rhs: Self) -> Self {\n            Self::mul_impl(lhs, rhs.inv())\n        }\n    }\n\n    impl<M: Modulus> InternalImplementations for StaticModInt<M> {\n        #[inline]\n        fn mul_impl(lhs: Self, rhs: Self) -> Self {\n            Self::raw((u64::from(lhs.val()) * u64::from(rhs.val()) % u64::from(M::VALUE)) as u32)\n        }\n    }\n\n    impl<I: Id> InternalImplementations for DynamicModInt<I> {\n        #[inline]\n        fn mul_impl(lhs: Self, rhs: Self) -> Self {\n            Self::raw(I::companion_barrett().mul(lhs.val, rhs.val))\n        }\n    }\n\n    macro_rules! impl_basic_traits {\n    () => {};\n    (impl <$generic_param:ident : $generic_param_bound:tt> _ for $self:ty; $($rest:tt)*) => {\n        impl <$generic_param: $generic_param_bound> Default for $self {\n            #[inline]\n            fn default() -> Self {\n                Self::default_impl()\n            }\n        }\n\n        impl <$generic_param: $generic_param_bound> FromStr for $self {\n            type Err = Infallible;\n\n            #[inline]\n            fn from_str(s: &str) -> Result<Self, Infallible> {\n                Self::from_str_impl(s)\n            }\n        }\n\n        impl<$generic_param: $generic_param_bound, V: RemEuclidU32> From<V> for $self {\n            #[inline]\n            fn from(from: V) -> Self {\n                Self::new(from)\n            }\n        }\n\n        #[allow(clippy::derive_hash_xor_eq)]\n        impl<$generic_param: $generic_param_bound> Hash for $self {\n            #[inline]\n            fn hash<H: Hasher>(&self, state: &mut H) {\n                Self::hash_impl(self, state)\n            }\n        }\n\n        impl<$generic_param: $generic_param_bound> fmt::Display for $self {\n            #[inline]\n            fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {\n                Self::display_impl(self, f)\n            }\n        }\n\n        impl<$generic_param: $generic_param_bound> fmt::Debug for $self {\n            #[inline]\n            fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {\n                Self::debug_impl(self, f)\n            }\n        }\n\n        impl<$generic_param: $generic_param_bound> Neg for $self {\n            type Output = $self;\n\n            #[inline]\n            fn neg(self) -> $self {\n                Self::neg_impl(self)\n            }\n        }\n\n        impl<$generic_param: $generic_param_bound> Neg for &'_ $self {\n            type Output = $self;\n\n            #[inline]\n            fn neg(self) -> $self {\n                <$self>::neg_impl(*self)\n            }\n        }\n\n        impl_basic_traits!($($rest)*);\n    };\n}\n\n    impl_basic_traits! {\n        impl <M: Modulus> _ for StaticModInt<M> ;\n        impl <I: Id     > _ for DynamicModInt<I>;\n    }\n\n    macro_rules! impl_bin_ops {\n    () => {};\n    (for<$($generic_param:ident : $generic_param_bound:tt),*> <$lhs_ty:ty> ~ <$rhs_ty:ty> -> $output:ty { { $lhs_body:expr } ~ { $rhs_body:expr } } $($rest:tt)*) => {\n        impl <$($generic_param: $generic_param_bound),*> Add<$rhs_ty> for $lhs_ty {\n            type Output = $output;\n\n            #[inline]\n            fn add(self, rhs: $rhs_ty) -> $output {\n                <$output>::add_impl(apply($lhs_body, self), apply($rhs_body, rhs))\n            }\n        }\n\n        impl <$($generic_param: $generic_param_bound),*> Sub<$rhs_ty> for $lhs_ty {\n            type Output = $output;\n\n            #[inline]\n            fn sub(self, rhs: $rhs_ty) -> $output {\n                <$output>::sub_impl(apply($lhs_body, self), apply($rhs_body, rhs))\n            }\n        }\n\n        impl <$($generic_param: $generic_param_bound),*> Mul<$rhs_ty> for $lhs_ty {\n            type Output = $output;\n\n            #[inline]\n            fn mul(self, rhs: $rhs_ty) -> $output {\n                <$output>::mul_impl(apply($lhs_body, self), apply($rhs_body, rhs))\n            }\n        }\n\n        impl <$($generic_param: $generic_param_bound),*> Div<$rhs_ty> for $lhs_ty {\n            type Output = $output;\n\n            #[inline]\n            fn div(self, rhs: $rhs_ty) -> $output {\n                <$output>::div_impl(apply($lhs_body, self), apply($rhs_body, rhs))\n            }\n        }\n\n        impl_bin_ops!($($rest)*);\n    };\n}\n\n    macro_rules! impl_assign_ops {\n    () => {};\n    (for<$($generic_param:ident : $generic_param_bound:tt),*> <$lhs_ty:ty> ~= <$rhs_ty:ty> { _ ~= { $rhs_body:expr } } $($rest:tt)*) => {\n        impl <$($generic_param: $generic_param_bound),*> AddAssign<$rhs_ty> for $lhs_ty {\n            #[inline]\n            fn add_assign(&mut self, rhs: $rhs_ty) {\n                *self = *self + apply($rhs_body, rhs);\n            }\n        }\n\n        impl <$($generic_param: $generic_param_bound),*> SubAssign<$rhs_ty> for $lhs_ty {\n            #[inline]\n            fn sub_assign(&mut self, rhs: $rhs_ty) {\n                *self = *self - apply($rhs_body, rhs);\n            }\n        }\n\n        impl <$($generic_param: $generic_param_bound),*> MulAssign<$rhs_ty> for $lhs_ty {\n            #[inline]\n            fn mul_assign(&mut self, rhs: $rhs_ty) {\n                *self = *self * apply($rhs_body, rhs);\n            }\n        }\n\n        impl <$($generic_param: $generic_param_bound),*> DivAssign<$rhs_ty> for $lhs_ty {\n            #[inline]\n            fn div_assign(&mut self, rhs: $rhs_ty) {\n                *self = *self / apply($rhs_body, rhs);\n            }\n        }\n\n        impl_assign_ops!($($rest)*);\n    };\n}\n\n    #[inline]\n    fn apply<F: FnOnce(X) -> O, X, O>(f: F, x: X) -> O {\n        f(x)\n    }\n\n    impl_bin_ops! {\n        for<M: Modulus> <StaticModInt<M>     > ~ <StaticModInt<M>     > -> StaticModInt<M>  { { |x| x  } ~ { |x| x  } }\n        for<M: Modulus> <StaticModInt<M>     > ~ <&'_ StaticModInt<M> > -> StaticModInt<M>  { { |x| x  } ~ { |&x| x } }\n        for<M: Modulus> <&'_ StaticModInt<M> > ~ <StaticModInt<M>     > -> StaticModInt<M>  { { |&x| x } ~ { |x| x  } }\n        for<M: Modulus> <&'_ StaticModInt<M> > ~ <&'_ StaticModInt<M> > -> StaticModInt<M>  { { |&x| x } ~ { |&x| x } }\n        for<I: Id     > <DynamicModInt<I>    > ~ <DynamicModInt<I>    > -> DynamicModInt<I> { { |x| x  } ~ { |x| x  } }\n        for<I: Id     > <DynamicModInt<I>    > ~ <&'_ DynamicModInt<I>> -> DynamicModInt<I> { { |x| x  } ~ { |&x| x } }\n        for<I: Id     > <&'_ DynamicModInt<I>> ~ <DynamicModInt<I>    > -> DynamicModInt<I> { { |&x| x } ~ { |x| x  } }\n        for<I: Id     > <&'_ DynamicModInt<I>> ~ <&'_ DynamicModInt<I>> -> DynamicModInt<I> { { |&x| x } ~ { |&x| x } }\n\n        for<M: Modulus, T: RemEuclidU32> <StaticModInt<M>     > ~ <T> -> StaticModInt<M>  { { |x| x  } ~ { StaticModInt::<M>::new } }\n        for<I: Id     , T: RemEuclidU32> <DynamicModInt<I>    > ~ <T> -> DynamicModInt<I> { { |x| x  } ~ { DynamicModInt::<I>::new } }\n    }\n\n    impl_assign_ops! {\n        for<M: Modulus> <StaticModInt<M> > ~= <StaticModInt<M>     > { _ ~= { |x| x  } }\n        for<M: Modulus> <StaticModInt<M> > ~= <&'_ StaticModInt<M> > { _ ~= { |&x| x } }\n        for<I: Id     > <DynamicModInt<I>> ~= <DynamicModInt<I>    > { _ ~= { |x| x  } }\n        for<I: Id     > <DynamicModInt<I>> ~= <&'_ DynamicModInt<I>> { _ ~= { |&x| x } }\n\n        for<M: Modulus, T: RemEuclidU32> <StaticModInt<M> > ~= <T> { _ ~= { StaticModInt::<M>::new } }\n        for<I: Id,      T: RemEuclidU32> <DynamicModInt<I>> ~= <T> { _ ~= { DynamicModInt::<I>::new } }\n    }\n\n    macro_rules! impl_folding {\n    () => {};\n    (impl<$generic_param:ident : $generic_param_bound:tt> $trait:ident<_> for $self:ty { fn $method:ident(_) -> _ { _($unit:expr, $op:expr) } } $($rest:tt)*) => {\n        impl<$generic_param: $generic_param_bound> $trait<Self> for $self {\n            #[inline]\n            fn $method<S>(iter: S) -> Self\n            where\n                S: Iterator<Item = Self>,\n            {\n                iter.fold($unit, $op)\n            }\n        }\n\n        impl<'a, $generic_param: $generic_param_bound> $trait<&'a Self> for $self {\n            #[inline]\n            fn $method<S>(iter: S) -> Self\n            where\n                S: Iterator<Item = &'a Self>,\n            {\n                iter.fold($unit, $op)\n            }\n        }\n\n        impl_folding!($($rest)*);\n    };\n}\n\n    impl_folding! {\n        impl<M: Modulus> Sum<_>     for StaticModInt<M>  { fn sum(_)     -> _ { _(Self::raw(0), Add::add) } }\n        impl<M: Modulus> Product<_> for StaticModInt<M>  { fn product(_) -> _ { _(Self::raw(1), Mul::mul) } }\n        impl<I: Id     > Sum<_>     for DynamicModInt<I> { fn sum(_)     -> _ { _(Self::raw(0), Add::add) } }\n        impl<I: Id     > Product<_> for DynamicModInt<I> { fn product(_) -> _ { _(Self::raw(1), Mul::mul) } }\n    }\n}\n", "lang": "Rust", "bug_code_uid": "86c4cdfb61a8e6ba1cd8067618d27ed5", "src_uid": "24e2f10463f440affccc2755f4462d8a", "apr_id": "541d94603662157f9b693f3f511c63ee", "difficulty": 1500, "tags": ["combinatorics", "binary search"], "bug_exec_outcome": "COMPILATION_ERROR", "potential_dominant_fix_op": "replace", "lang_cluster": "Rust"}
{"similarity_score": 0.9923596576309833, "equal_cnt": 8, "replace_cnt": 4, "delete_cnt": 1, "insert_cnt": 2, "fix_ops_cnt": 7, "bug_source_code": "use std::io::{stdout, BufWriter, Write};\n\ntype Mint = ModInt1000000007;\n\nfn main() {\n    inputv! {\n        n:usize,x:usize,pos:usize\n    }\n    let mut f = vec![Mint::new(1)];\n    for i in 1..1000 {\n        let l = *f.last().unwrap();\n        f.push(l * Mint::new(i));\n    }\n    let mut r_count = 0;\n    let mut l_count = 0;\n    let mut left = 0;\n    let mut right = n;\n    loop {\n        let mid = (left + right) / 2;\n        if mid == pos {\n            break;\n        } else if mid > pos {\n            r_count += 1;\n            right = mid;\n        } else {\n            l_count += 1;\n            left = mid + 1;\n        }\n    }\n    //dbg!(l_count, r_count);\n    if n - x < r_count || x - 1 < l_count {\n        println!(\"0\");\n        return;\n    }\n    let mut ans = f[n - x] / f[n - x - r_count] * f[x - 1] / f[x - 1 - l_count]\n        * f[n - l_count - r_count - 1];\n    println!(\"{}\", ans);\n}\n\n//https://github.com/rust-lang-ja/ac-library-rs\n//https://github.com/manta1130/competitive-template-rs\n\nuse input::*;\nuse modint::*;\n\npub mod input {\n    use std::cell::RefCell;\n    use std::io;\n    pub const SPLIT_DELIMITER: char = ' ';\n    pub use std::io::prelude::*;\n\n    #[macro_export]\n    thread_local! {\n        pub static INPUT_BUFFER:RefCell<std::collections::VecDeque<String>>=RefCell::new(std::collections::VecDeque::new());\n    }\n\n    #[macro_export]\n    macro_rules! input_internal {\n        ($x:ident : $t:ty) => {\n            INPUT_BUFFER.with(|p| {\n                if p.borrow().len() == 0 {\n                    let temp_str = input_line_str();\n                    let mut split_result_iter = temp_str\n                        .split(SPLIT_DELIMITER)\n                        .map(|q| q.to_string())\n                        .collect::<std::collections::VecDeque<_>>();\n                    p.borrow_mut().append(&mut split_result_iter)\n                }\n            });\n            let mut buf_split_result = String::new();\n            INPUT_BUFFER.with(|p| buf_split_result = p.borrow_mut().pop_front().unwrap());\n            let $x: $t = buf_split_result.parse().unwrap();\n        };\n        (mut $x:ident : $t:ty) => {\n            INPUT_BUFFER.with(|p| {\n                if p.borrow().len() == 0 {\n                    let temp_str = input_line_str();\n                    let mut split_result_iter = temp_str\n                        .split(SPLIT_DELIMITER)\n                        .map(|q| q.to_string())\n                        .collect::<std::collections::VecDeque<_>>();\n                    p.borrow_mut().append(&mut split_result_iter)\n                }\n            });\n            let mut buf_split_result = String::new();\n            INPUT_BUFFER.with(|p| buf_split_result = p.borrow_mut().pop_front().unwrap());\n            let mut $x: $t = buf_split_result.parse().unwrap();\n        };\n    }\n\n    #[macro_export]\n    macro_rules! inputv {\n    ($i:ident : $t:ty) => {\n        input_internal!{$i : $t}\n    };\n    (mut $i:ident : $t:ty) => {\n        input_internal!{mut $i : $t}\n    };\n    ($i:ident : $t:ty $(,)*) => {\n            input_internal!{$i : $t}\n    };\n    (mut $i:ident : $t:ty $(,)*) => {\n            input_internal!{mut $i : $t}\n    };\n    (mut $i:ident : $t:ty,$($q:tt)*) => {\n            input_internal!{mut $i : $t}\n            inputv!{$($q)*}\n    };\n    ($i:ident : $t:ty,$($q:tt)*) => {\n            input_internal!{$i : $t}\n            inputv!{$($q)*}\n    };\n}\n\n    pub fn input_all() {\n        INPUT_BUFFER.with(|p| {\n            if p.borrow().len() == 0 {\n                let mut temp_str = String::new();\n                std::io::stdin().read_to_string(&mut temp_str).unwrap();\n                let mut split_result_iter = temp_str\n                    .split_whitespace()\n                    .map(|q| q.to_string())\n                    .collect::<std::collections::VecDeque<_>>();\n                p.borrow_mut().append(&mut split_result_iter)\n            }\n        });\n    }\n\n    pub fn input_line_str() -> String {\n        let mut s = String::new();\n        io::stdin().read_line(&mut s).unwrap();\n        s.trim().to_string()\n    }\n\n    #[allow(clippy::match_wild_err_arm)]\n    pub fn input_vector<T>() -> Vec<T>\n    where\n        T: std::str::FromStr,\n    {\n        let mut v: Vec<T> = Vec::new();\n\n        let s = input_line_str();\n        let split_result = s.split(SPLIT_DELIMITER);\n        for z in split_result {\n            let buf = match z.parse() {\n                Ok(r) => r,\n                Err(_) => panic!(\"Parse Error\",),\n            };\n            v.push(buf);\n        }\n        v\n    }\n\n    #[allow(clippy::match_wild_err_arm)]\n    pub fn input_vector_row<T>(n: usize) -> Vec<T>\n    where\n        T: std::str::FromStr,\n    {\n        let mut v = Vec::with_capacity(n);\n        for _ in 0..n {\n            let buf = match input_line_str().parse() {\n                Ok(r) => r,\n                Err(_) => panic!(\"Parse Error\",),\n            };\n            v.push(buf);\n        }\n        v\n    }\n\n    pub trait ToCharVec {\n        fn to_charvec(&self) -> Vec<char>;\n    }\n\n    impl ToCharVec for String {\n        fn to_charvec(&self) -> Vec<char> {\n            self.to_string().chars().collect::<Vec<_>>()\n        }\n    }\n}\npub mod internal_math {\n    #![allow(dead_code)]\n    use std::mem::swap;\n\n    /* const */\n    pub(crate) fn safe_mod(mut x: i64, m: i64) -> i64 {\n        x %= m;\n        if x < 0 {\n            x += m;\n        }\n        x\n    }\n\n    pub(crate) struct Barrett {\n        pub(crate) _m: u32,\n        pub(crate) im: u64,\n    }\n\n    impl Barrett {\n        pub(crate) fn new(m: u32) -> Barrett {\n            Barrett {\n                _m: m,\n                im: (-1i64 as u64 / m as u64).wrapping_add(1),\n            }\n        }\n\n        pub(crate) fn umod(&self) -> u32 {\n            self._m\n        }\n\n        #[allow(clippy::many_single_char_names)]\n        pub(crate) fn mul(&self, a: u32, b: u32) -> u32 {\n            mul_mod(a, b, self._m, self.im)\n        }\n    }\n\n    #[allow(clippy::many_single_char_names)]\n    pub(crate) fn mul_mod(a: u32, b: u32, m: u32, im: u64) -> u32 {\n        let mut z = a as u64;\n        z *= b as u64;\n        let x = (((z as u128) * (im as u128)) >> 64) as u64;\n        let mut v = z.wrapping_sub(x.wrapping_mul(m as u64)) as u32;\n        if m <= v {\n            v = v.wrapping_add(m);\n        }\n        v\n    }\n\n    /* const */\n    #[allow(clippy::many_single_char_names)]\n    pub(crate) fn pow_mod(x: i64, mut n: i64, m: i32) -> i64 {\n        if m == 1 {\n            return 0;\n        }\n        let _m = m as u32;\n        let mut r: u64 = 1;\n        let mut y: u64 = safe_mod(x, m as i64) as u64;\n        while n != 0 {\n            if (n & 1) > 0 {\n                r = (r * y) % (_m as u64);\n            }\n            y = (y * y) % (_m as u64);\n            n >>= 1;\n        }\n        r as i64\n    }\n\n    /* const */\n    pub(crate) fn is_prime(n: i32) -> bool {\n        let n = n as i64;\n        match n {\n            _ if n <= 1 => return false,\n            2 | 7 | 61 => return true,\n            _ if n % 2 == 0 => return false,\n            _ => {}\n        }\n        let mut d = n - 1;\n        while d % 2 == 0 {\n            d /= 2;\n        }\n        for &a in &[2, 7, 61] {\n            let mut t = d;\n            let mut y = pow_mod(a, t, n as i32);\n            while t != n - 1 && y != 1 && y != n - 1 {\n                y = y * y % n;\n                t <<= 1;\n            }\n            if y != n - 1 && t % 2 == 0 {\n                return false;\n            }\n        }\n        true\n    }\n\n    /* const */\n    #[allow(clippy::many_single_char_names)]\n    pub(crate) fn inv_gcd(a: i64, b: i64) -> (i64, i64) {\n        let a = safe_mod(a, b);\n        if a == 0 {\n            return (b, 0);\n        }\n\n        let mut s = b;\n        let mut t = a;\n        let mut m0 = 0;\n        let mut m1 = 1;\n\n        while t != 0 {\n            let u = s / t;\n            s -= t * u;\n            m0 -= m1 * u; // |m1 * u| <= |m1| * s <= b\n\n            swap(&mut s, &mut t);\n            swap(&mut m0, &mut m1);\n        }\n        if m0 < 0 {\n            m0 += b / s;\n        }\n        (s, m0)\n    }\n\n    /* const */\n    pub(crate) fn primitive_root(m: i32) -> i32 {\n        match m {\n            2 => return 1,\n            167_772_161 => return 3,\n            469_762_049 => return 3,\n            754_974_721 => return 11,\n            998_244_353 => return 3,\n            _ => {}\n        }\n\n        let mut divs = [0; 20];\n        divs[0] = 2;\n        let mut cnt = 1;\n        let mut x = (m - 1) / 2;\n        while x % 2 == 0 {\n            x /= 2;\n        }\n        for i in (3..std::i32::MAX).step_by(2) {\n            if i as i64 * i as i64 > x as i64 {\n                break;\n            }\n            if x % i == 0 {\n                divs[cnt] = i;\n                cnt += 1;\n                while x % i == 0 {\n                    x /= i;\n                }\n            }\n        }\n        if x > 1 {\n            divs[cnt] = x;\n            cnt += 1;\n        }\n        let mut g = 2;\n        loop {\n            if (0..cnt).all(|i| pow_mod(g, ((m - 1) / divs[i]) as i64, m) != 1) {\n                break g as i32;\n            }\n            g += 1;\n        }\n    }\n}\npub mod modint {\n\n    use crate::internal_math;\n    use std::{\n        cell::RefCell,\n        convert::{Infallible, TryInto as _},\n        fmt,\n        hash::{Hash, Hasher},\n        iter::{Product, Sum},\n        marker::PhantomData,\n        ops::{Add, AddAssign, Div, DivAssign, Mul, MulAssign, Neg, Sub, SubAssign},\n        str::FromStr,\n        sync::atomic::{self, AtomicU32, AtomicU64},\n        thread::LocalKey,\n    };\n\n    pub type ModInt1000000007 = StaticModInt<Mod1000000007>;\n    pub type ModInt998244353 = StaticModInt<Mod998244353>;\n    pub type ModInt = DynamicModInt<DefaultId>;\n\n    #[derive(Copy, Clone, Eq, PartialEq)]\n    #[repr(transparent)]\n    pub struct StaticModInt<M> {\n        val: u32,\n        phantom: PhantomData<fn() -> M>,\n    }\n\n    impl<M: Modulus> StaticModInt<M> {\n        #[inline(always)]\n        pub fn modulus() -> u32 {\n            M::VALUE\n        }\n\n        #[inline]\n        pub fn new<T: RemEuclidU32>(val: T) -> Self {\n            Self::raw(val.rem_euclid_u32(M::VALUE))\n        }\n\n        #[inline]\n        pub fn raw(val: u32) -> Self {\n            Self {\n                val,\n                phantom: PhantomData,\n            }\n        }\n\n        #[inline]\n        pub fn val(self) -> u32 {\n            self.val\n        }\n\n        #[inline]\n        pub fn pow(self, n: u64) -> Self {\n            <Self as ModIntBase>::pow(self, n)\n        }\n\n        #[inline]\n        pub fn inv(self) -> Self {\n            if M::HINT_VALUE_IS_PRIME {\n                if self.val() == 0 {\n                    panic!(\"attempt to divide by zero\");\n                }\n                debug_assert!(\n                    internal_math::is_prime(M::VALUE.try_into().unwrap()),\n                    \"{} is not a prime number\",\n                    M::VALUE,\n                );\n                self.pow((M::VALUE - 2).into())\n            } else {\n                Self::inv_for_non_prime_modulus(self)\n            }\n        }\n    }\n\n    impl<M: Modulus> ModIntBase for StaticModInt<M> {\n        #[inline(always)]\n        fn modulus() -> u32 {\n            Self::modulus()\n        }\n\n        #[inline]\n        fn raw(val: u32) -> Self {\n            Self::raw(val)\n        }\n\n        #[inline]\n        fn val(self) -> u32 {\n            self.val()\n        }\n\n        #[inline]\n        fn inv(self) -> Self {\n            self.inv()\n        }\n    }\n\n    pub trait Modulus: 'static + Copy + Eq {\n        const VALUE: u32;\n        const HINT_VALUE_IS_PRIME: bool;\n\n        fn butterfly_cache() -> &'static LocalKey<RefCell<Option<ButterflyCache<Self>>>>;\n    }\n\n    #[derive(Copy, Clone, Ord, PartialOrd, Eq, PartialEq, Hash, Debug)]\n    pub enum Mod1000000007 {}\n\n    impl Modulus for Mod1000000007 {\n        const VALUE: u32 = 1_000_000_007;\n        const HINT_VALUE_IS_PRIME: bool = true;\n\n        fn butterfly_cache() -> &'static LocalKey<RefCell<Option<ButterflyCache<Self>>>> {\n            thread_local! {\n                static BUTTERFLY_CACHE: RefCell<Option<ButterflyCache<Mod1000000007>>> = RefCell::default();\n            }\n            &BUTTERFLY_CACHE\n        }\n    }\n\n    #[derive(Copy, Clone, Ord, PartialOrd, Eq, PartialEq, Hash, Debug)]\n    pub enum Mod998244353 {}\n\n    impl Modulus for Mod998244353 {\n        const VALUE: u32 = 998_244_353;\n        const HINT_VALUE_IS_PRIME: bool = true;\n\n        fn butterfly_cache() -> &'static LocalKey<RefCell<Option<ButterflyCache<Self>>>> {\n            thread_local! {\n                static BUTTERFLY_CACHE: RefCell<Option<ButterflyCache<Mod998244353>>> = RefCell::default();\n            }\n            &BUTTERFLY_CACHE\n        }\n    }\n\n    pub struct ButterflyCache<M> {\n        pub(crate) sum_e: Vec<StaticModInt<M>>,\n        pub(crate) sum_ie: Vec<StaticModInt<M>>,\n    }\n\n    #[derive(Copy, Clone, Eq, PartialEq)]\n    #[repr(transparent)]\n    pub struct DynamicModInt<I> {\n        val: u32,\n        phantom: PhantomData<fn() -> I>,\n    }\n\n    impl<I: Id> DynamicModInt<I> {\n        #[inline]\n        pub fn modulus() -> u32 {\n            I::companion_barrett().umod()\n        }\n\n        #[inline]\n        pub fn set_modulus(modulus: u32) {\n            if modulus == 0 {\n                panic!(\"the modulus must not be 0\");\n            }\n            I::companion_barrett().update(modulus);\n        }\n\n        #[inline]\n        pub fn new<T: RemEuclidU32>(val: T) -> Self {\n            <Self as ModIntBase>::new(val)\n        }\n\n        #[inline]\n        pub fn raw(val: u32) -> Self {\n            Self {\n                val,\n                phantom: PhantomData,\n            }\n        }\n\n        #[inline]\n        pub fn val(self) -> u32 {\n            self.val\n        }\n\n        #[inline]\n        pub fn pow(self, n: u64) -> Self {\n            <Self as ModIntBase>::pow(self, n)\n        }\n\n        #[inline]\n        pub fn inv(self) -> Self {\n            Self::inv_for_non_prime_modulus(self)\n        }\n    }\n\n    impl<I: Id> ModIntBase for DynamicModInt<I> {\n        #[inline]\n        fn modulus() -> u32 {\n            Self::modulus()\n        }\n\n        #[inline]\n        fn raw(val: u32) -> Self {\n            Self::raw(val)\n        }\n\n        #[inline]\n        fn val(self) -> u32 {\n            self.val()\n        }\n\n        #[inline]\n        fn inv(self) -> Self {\n            self.inv()\n        }\n    }\n\n    pub trait Id: 'static + Copy + Eq {\n        fn companion_barrett() -> &'static Barrett;\n    }\n\n    #[derive(Copy, Clone, Ord, PartialOrd, Eq, PartialEq, Hash, Debug)]\n    pub enum DefaultId {}\n\n    impl Id for DefaultId {\n        fn companion_barrett() -> &'static Barrett {\n            static BARRETT: Barrett = Barrett::default();\n            &BARRETT\n        }\n    }\n\n    pub struct Barrett {\n        m: AtomicU32,\n        im: AtomicU64,\n    }\n\n    impl Barrett {\n        #[inline]\n        pub const fn new(m: u32) -> Self {\n            Self {\n                m: AtomicU32::new(m),\n                im: AtomicU64::new((-1i64 as u64 / m as u64).wrapping_add(1)),\n            }\n        }\n\n        #[inline]\n        const fn default() -> Self {\n            Self::new(998_244_353)\n        }\n\n        #[inline]\n        fn update(&self, m: u32) {\n            let im = (-1i64 as u64 / m as u64).wrapping_add(1);\n            self.m.store(m, atomic::Ordering::SeqCst);\n            self.im.store(im, atomic::Ordering::SeqCst);\n        }\n\n        #[inline]\n        fn umod(&self) -> u32 {\n            self.m.load(atomic::Ordering::SeqCst)\n        }\n\n        #[inline]\n        fn mul(&self, a: u32, b: u32) -> u32 {\n            let m = self.m.load(atomic::Ordering::SeqCst);\n            let im = self.im.load(atomic::Ordering::SeqCst);\n            internal_math::mul_mod(a, b, m, im)\n        }\n    }\n\n    impl Default for Barrett {\n        #[inline]\n        fn default() -> Self {\n            Self::default()\n        }\n    }\n\n    pub trait ModIntBase:\n        Default\n        + FromStr\n        + From<i8>\n        + From<i16>\n        + From<i32>\n        + From<i64>\n        + From<i128>\n        + From<isize>\n        + From<u8>\n        + From<u16>\n        + From<u32>\n        + From<u64>\n        + From<u128>\n        + From<usize>\n        + Copy\n        + Eq\n        + Hash\n        + fmt::Display\n        + fmt::Debug\n        + Neg<Output = Self>\n        + Add<Output = Self>\n        + Sub<Output = Self>\n        + Mul<Output = Self>\n        + Div<Output = Self>\n        + AddAssign\n        + SubAssign\n        + MulAssign\n        + DivAssign\n    {\n        fn modulus() -> u32;\n\n        fn raw(val: u32) -> Self;\n\n        fn val(self) -> u32;\n\n        fn inv(self) -> Self;\n\n        #[inline]\n        fn new<T: RemEuclidU32>(val: T) -> Self {\n            Self::raw(val.rem_euclid_u32(Self::modulus()))\n        }\n\n        #[inline]\n        fn pow(self, mut n: u64) -> Self {\n            let mut x = self;\n            let mut r = Self::raw(1);\n            while n > 0 {\n                if n & 1 == 1 {\n                    r *= x;\n                }\n                x *= x;\n                n >>= 1;\n            }\n            r\n        }\n    }\n\n    pub trait RemEuclidU32 {\n        fn rem_euclid_u32(self, modulus: u32) -> u32;\n    }\n\n    macro_rules! impl_rem_euclid_u32_for_small_signed {\n    ($($ty:tt),*) => {\n        $(\n            impl RemEuclidU32 for $ty {\n                #[inline]\n                fn rem_euclid_u32(self, modulus: u32) -> u32 {\n                    (self as i64).rem_euclid(i64::from(modulus)) as _\n                }\n            }\n        )*\n    }\n}\n\n    impl_rem_euclid_u32_for_small_signed!(i8, i16, i32, i64, isize);\n\n    impl RemEuclidU32 for i128 {\n        #[inline]\n        fn rem_euclid_u32(self, modulus: u32) -> u32 {\n            self.rem_euclid(i128::from(modulus)) as _\n        }\n    }\n\n    macro_rules! impl_rem_euclid_u32_for_small_unsigned {\n    ($($ty:tt),*) => {\n        $(\n            impl RemEuclidU32 for $ty {\n                #[inline]\n                fn rem_euclid_u32(self, modulus: u32) -> u32 {\n                    self as u32 % modulus\n                }\n            }\n        )*\n    }\n}\n\n    macro_rules! impl_rem_euclid_u32_for_large_unsigned {\n    ($($ty:tt),*) => {\n        $(\n            impl RemEuclidU32 for $ty {\n                #[inline]\n                fn rem_euclid_u32(self, modulus: u32) -> u32 {\n                    (self % (modulus as $ty)) as _\n                }\n            }\n        )*\n    }\n}\n\n    impl_rem_euclid_u32_for_small_unsigned!(u8, u16, u32);\n    impl_rem_euclid_u32_for_large_unsigned!(u64, u128);\n\n    #[cfg(target_pointer_width = \"32\")]\n    impl_rem_euclid_u32_for_small_unsigned!(usize);\n\n    #[cfg(target_pointer_width = \"64\")]\n    impl_rem_euclid_u32_for_large_unsigned!(usize);\n\n    trait InternalImplementations: ModIntBase {\n        #[inline]\n        fn inv_for_non_prime_modulus(this: Self) -> Self {\n            let (gcd, x) = internal_math::inv_gcd(this.val().into(), Self::modulus().into());\n            if gcd != 1 {\n                panic!(\"the multiplicative inverse does not exist\");\n            }\n            Self::new(x)\n        }\n\n        #[inline]\n        fn default_impl() -> Self {\n            Self::raw(0)\n        }\n\n        #[inline]\n        fn from_str_impl(s: &str) -> Result<Self, Infallible> {\n            Ok(s.parse::<i64>()\n                .map(Self::new)\n                .unwrap_or_else(|_| todo!(\"parsing as an arbitrary precision integer?\")))\n        }\n\n        #[inline]\n        fn hash_impl(this: &Self, state: &mut impl Hasher) {\n            this.val().hash(state)\n        }\n\n        #[inline]\n        fn display_impl(this: &Self, f: &mut fmt::Formatter) -> fmt::Result {\n            fmt::Display::fmt(&this.val(), f)\n        }\n\n        #[inline]\n        fn debug_impl(this: &Self, f: &mut fmt::Formatter) -> fmt::Result {\n            fmt::Debug::fmt(&this.val(), f)\n        }\n\n        #[inline]\n        fn neg_impl(this: Self) -> Self {\n            Self::sub_impl(Self::raw(0), this)\n        }\n\n        #[inline]\n        fn add_impl(lhs: Self, rhs: Self) -> Self {\n            let modulus = Self::modulus();\n            let mut val = lhs.val() + rhs.val();\n            if val >= modulus {\n                val -= modulus;\n            }\n            Self::raw(val)\n        }\n\n        #[inline]\n        fn sub_impl(lhs: Self, rhs: Self) -> Self {\n            let modulus = Self::modulus();\n            let mut val = lhs.val().wrapping_sub(rhs.val());\n            if val >= modulus {\n                val = val.wrapping_add(modulus)\n            }\n            Self::raw(val)\n        }\n\n        fn mul_impl(lhs: Self, rhs: Self) -> Self;\n\n        #[inline]\n        fn div_impl(lhs: Self, rhs: Self) -> Self {\n            Self::mul_impl(lhs, rhs.inv())\n        }\n    }\n\n    impl<M: Modulus> InternalImplementations for StaticModInt<M> {\n        #[inline]\n        fn mul_impl(lhs: Self, rhs: Self) -> Self {\n            Self::raw((u64::from(lhs.val()) * u64::from(rhs.val()) % u64::from(M::VALUE)) as u32)\n        }\n    }\n\n    impl<I: Id> InternalImplementations for DynamicModInt<I> {\n        #[inline]\n        fn mul_impl(lhs: Self, rhs: Self) -> Self {\n            Self::raw(I::companion_barrett().mul(lhs.val, rhs.val))\n        }\n    }\n\n    macro_rules! impl_basic_traits {\n    () => {};\n    (impl <$generic_param:ident : $generic_param_bound:tt> _ for $self:ty; $($rest:tt)*) => {\n        impl <$generic_param: $generic_param_bound> Default for $self {\n            #[inline]\n            fn default() -> Self {\n                Self::default_impl()\n            }\n        }\n\n        impl <$generic_param: $generic_param_bound> FromStr for $self {\n            type Err = Infallible;\n\n            #[inline]\n            fn from_str(s: &str) -> Result<Self, Infallible> {\n                Self::from_str_impl(s)\n            }\n        }\n\n        impl<$generic_param: $generic_param_bound, V: RemEuclidU32> From<V> for $self {\n            #[inline]\n            fn from(from: V) -> Self {\n                Self::new(from)\n            }\n        }\n\n        #[allow(clippy::derive_hash_xor_eq)]\n        impl<$generic_param: $generic_param_bound> Hash for $self {\n            #[inline]\n            fn hash<H: Hasher>(&self, state: &mut H) {\n                Self::hash_impl(self, state)\n            }\n        }\n\n        impl<$generic_param: $generic_param_bound> fmt::Display for $self {\n            #[inline]\n            fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {\n                Self::display_impl(self, f)\n            }\n        }\n\n        impl<$generic_param: $generic_param_bound> fmt::Debug for $self {\n            #[inline]\n            fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {\n                Self::debug_impl(self, f)\n            }\n        }\n\n        impl<$generic_param: $generic_param_bound> Neg for $self {\n            type Output = $self;\n\n            #[inline]\n            fn neg(self) -> $self {\n                Self::neg_impl(self)\n            }\n        }\n\n        impl<$generic_param: $generic_param_bound> Neg for &'_ $self {\n            type Output = $self;\n\n            #[inline]\n            fn neg(self) -> $self {\n                <$self>::neg_impl(*self)\n            }\n        }\n\n        impl_basic_traits!($($rest)*);\n    };\n}\n\n    impl_basic_traits! {\n        impl <M: Modulus> _ for StaticModInt<M> ;\n        impl <I: Id     > _ for DynamicModInt<I>;\n    }\n\n    macro_rules! impl_bin_ops {\n    () => {};\n    (for<$($generic_param:ident : $generic_param_bound:tt),*> <$lhs_ty:ty> ~ <$rhs_ty:ty> -> $output:ty { { $lhs_body:expr } ~ { $rhs_body:expr } } $($rest:tt)*) => {\n        impl <$($generic_param: $generic_param_bound),*> Add<$rhs_ty> for $lhs_ty {\n            type Output = $output;\n\n            #[inline]\n            fn add(self, rhs: $rhs_ty) -> $output {\n                <$output>::add_impl(apply($lhs_body, self), apply($rhs_body, rhs))\n            }\n        }\n\n        impl <$($generic_param: $generic_param_bound),*> Sub<$rhs_ty> for $lhs_ty {\n            type Output = $output;\n\n            #[inline]\n            fn sub(self, rhs: $rhs_ty) -> $output {\n                <$output>::sub_impl(apply($lhs_body, self), apply($rhs_body, rhs))\n            }\n        }\n\n        impl <$($generic_param: $generic_param_bound),*> Mul<$rhs_ty> for $lhs_ty {\n            type Output = $output;\n\n            #[inline]\n            fn mul(self, rhs: $rhs_ty) -> $output {\n                <$output>::mul_impl(apply($lhs_body, self), apply($rhs_body, rhs))\n            }\n        }\n\n        impl <$($generic_param: $generic_param_bound),*> Div<$rhs_ty> for $lhs_ty {\n            type Output = $output;\n\n            #[inline]\n            fn div(self, rhs: $rhs_ty) -> $output {\n                <$output>::div_impl(apply($lhs_body, self), apply($rhs_body, rhs))\n            }\n        }\n\n        impl_bin_ops!($($rest)*);\n    };\n}\n\n    macro_rules! impl_assign_ops {\n    () => {};\n    (for<$($generic_param:ident : $generic_param_bound:tt),*> <$lhs_ty:ty> ~= <$rhs_ty:ty> { _ ~= { $rhs_body:expr } } $($rest:tt)*) => {\n        impl <$($generic_param: $generic_param_bound),*> AddAssign<$rhs_ty> for $lhs_ty {\n            #[inline]\n            fn add_assign(&mut self, rhs: $rhs_ty) {\n                *self = *self + apply($rhs_body, rhs);\n            }\n        }\n\n        impl <$($generic_param: $generic_param_bound),*> SubAssign<$rhs_ty> for $lhs_ty {\n            #[inline]\n            fn sub_assign(&mut self, rhs: $rhs_ty) {\n                *self = *self - apply($rhs_body, rhs);\n            }\n        }\n\n        impl <$($generic_param: $generic_param_bound),*> MulAssign<$rhs_ty> for $lhs_ty {\n            #[inline]\n            fn mul_assign(&mut self, rhs: $rhs_ty) {\n                *self = *self * apply($rhs_body, rhs);\n            }\n        }\n\n        impl <$($generic_param: $generic_param_bound),*> DivAssign<$rhs_ty> for $lhs_ty {\n            #[inline]\n            fn div_assign(&mut self, rhs: $rhs_ty) {\n                *self = *self / apply($rhs_body, rhs);\n            }\n        }\n\n        impl_assign_ops!($($rest)*);\n    };\n}\n\n    #[inline]\n    fn apply<F: FnOnce(X) -> O, X, O>(f: F, x: X) -> O {\n        f(x)\n    }\n\n    impl_bin_ops! {\n        for<M: Modulus> <StaticModInt<M>     > ~ <StaticModInt<M>     > -> StaticModInt<M>  { { |x| x  } ~ { |x| x  } }\n        for<M: Modulus> <StaticModInt<M>     > ~ <&'_ StaticModInt<M> > -> StaticModInt<M>  { { |x| x  } ~ { |&x| x } }\n        for<M: Modulus> <&'_ StaticModInt<M> > ~ <StaticModInt<M>     > -> StaticModInt<M>  { { |&x| x } ~ { |x| x  } }\n        for<M: Modulus> <&'_ StaticModInt<M> > ~ <&'_ StaticModInt<M> > -> StaticModInt<M>  { { |&x| x } ~ { |&x| x } }\n        for<I: Id     > <DynamicModInt<I>    > ~ <DynamicModInt<I>    > -> DynamicModInt<I> { { |x| x  } ~ { |x| x  } }\n        for<I: Id     > <DynamicModInt<I>    > ~ <&'_ DynamicModInt<I>> -> DynamicModInt<I> { { |x| x  } ~ { |&x| x } }\n        for<I: Id     > <&'_ DynamicModInt<I>> ~ <DynamicModInt<I>    > -> DynamicModInt<I> { { |&x| x } ~ { |x| x  } }\n        for<I: Id     > <&'_ DynamicModInt<I>> ~ <&'_ DynamicModInt<I>> -> DynamicModInt<I> { { |&x| x } ~ { |&x| x } }\n\n        for<M: Modulus, T: RemEuclidU32> <StaticModInt<M>     > ~ <T> -> StaticModInt<M>  { { |x| x  } ~ { StaticModInt::<M>::new } }\n        for<I: Id     , T: RemEuclidU32> <DynamicModInt<I>    > ~ <T> -> DynamicModInt<I> { { |x| x  } ~ { DynamicModInt::<I>::new } }\n    }\n\n    impl_assign_ops! {\n        for<M: Modulus> <StaticModInt<M> > ~= <StaticModInt<M>     > { _ ~= { |x| x  } }\n        for<M: Modulus> <StaticModInt<M> > ~= <&'_ StaticModInt<M> > { _ ~= { |&x| x } }\n        for<I: Id     > <DynamicModInt<I>> ~= <DynamicModInt<I>    > { _ ~= { |x| x  } }\n        for<I: Id     > <DynamicModInt<I>> ~= <&'_ DynamicModInt<I>> { _ ~= { |&x| x } }\n\n        for<M: Modulus, T: RemEuclidU32> <StaticModInt<M> > ~= <T> { _ ~= { StaticModInt::<M>::new } }\n        for<I: Id,      T: RemEuclidU32> <DynamicModInt<I>> ~= <T> { _ ~= { DynamicModInt::<I>::new } }\n    }\n\n    macro_rules! impl_folding {\n    () => {};\n    (impl<$generic_param:ident : $generic_param_bound:tt> $trait:ident<_> for $self:ty { fn $method:ident(_) -> _ { _($unit:expr, $op:expr) } } $($rest:tt)*) => {\n        impl<$generic_param: $generic_param_bound> $trait<Self> for $self {\n            #[inline]\n            fn $method<S>(iter: S) -> Self\n            where\n                S: Iterator<Item = Self>,\n            {\n                iter.fold($unit, $op)\n            }\n        }\n\n        impl<'a, $generic_param: $generic_param_bound> $trait<&'a Self> for $self {\n            #[inline]\n            fn $method<S>(iter: S) -> Self\n            where\n                S: Iterator<Item = &'a Self>,\n            {\n                iter.fold($unit, $op)\n            }\n        }\n\n        impl_folding!($($rest)*);\n    };\n}\n\n    impl_folding! {\n        impl<M: Modulus> Sum<_>     for StaticModInt<M>  { fn sum(_)     -> _ { _(Self::raw(0), Add::add) } }\n        impl<M: Modulus> Product<_> for StaticModInt<M>  { fn product(_) -> _ { _(Self::raw(1), Mul::mul) } }\n        impl<I: Id     > Sum<_>     for DynamicModInt<I> { fn sum(_)     -> _ { _(Self::raw(0), Add::add) } }\n        impl<I: Id     > Product<_> for DynamicModInt<I> { fn product(_) -> _ { _(Self::raw(1), Mul::mul) } }\n    }\n}\n", "lang": "Rust", "bug_code_uid": "455f4a148498b1e81b9d41311da423ff", "src_uid": "24e2f10463f440affccc2755f4462d8a", "apr_id": "541d94603662157f9b693f3f511c63ee", "difficulty": 1500, "tags": ["combinatorics", "binary search"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "replace", "lang_cluster": "Rust"}
{"similarity_score": 0.9943293600277746, "equal_cnt": 3, "replace_cnt": 0, "delete_cnt": 0, "insert_cnt": 2, "fix_ops_cnt": 2, "bug_source_code": "#![allow(dead_code, unused_imports, unused_macros)]\n\nuse std::fmt::Debug;\nuse std::str::FromStr;\n\nfn read_stdin() -> String {\n    let mut s = String::new();\n    std::io::stdin()\n        .read_line(&mut s)\n        .expect(\"cannot read stdin\");\n    s.trim().to_string()\n}\n\nfn read<T>() -> T\nwhere\n    T: FromStr,\n    <T as FromStr>::Err: Debug,\n{\n    read_stdin().parse::<T>().unwrap()\n}\n\nfn read_usize() -> usize {\n    read::<usize>()\n}\n\nfn read_2<A, B>() -> (A, B)\nwhere\n    A: FromStr,\n    <A as FromStr>::Err: Debug,\n    B: FromStr,\n    <B as FromStr>::Err: Debug,\n{\n    let s = read_stdin();\n    let mut s = s.split_whitespace();\n    let a = s.next().unwrap().parse::<A>().unwrap();\n    let b = s.next().unwrap().parse::<B>().unwrap();\n    (a, b)\n}\n\nfn read_3<A, B, C>() -> (A, B, C)\nwhere\n    A: FromStr,\n    <A as FromStr>::Err: Debug,\n    B: FromStr,\n    <B as FromStr>::Err: Debug,\n    C: FromStr,\n    <C as FromStr>::Err: Debug,\n{\n    let s = read_stdin();\n    let mut s = s.split_whitespace();\n    let a = s.next().unwrap().parse::<A>().unwrap();\n    let b = s.next().unwrap().parse::<B>().unwrap();\n    let c = s.next().unwrap().parse::<C>().unwrap();\n    (a, b, c)\n}\n\nfn read_4<A, B, C, D>() -> (A, B, C, D)\nwhere\n    A: FromStr,\n    <A as FromStr>::Err: Debug,\n    B: FromStr,\n    <B as FromStr>::Err: Debug,\n    C: FromStr,\n    <C as FromStr>::Err: Debug,\n    D: FromStr,\n    <D as FromStr>::Err: Debug,\n{\n    let s = read_stdin();\n    let mut s = s.split_whitespace();\n    let a = s.next().unwrap().parse::<A>().unwrap();\n    let b = s.next().unwrap().parse::<B>().unwrap();\n    let c = s.next().unwrap().parse::<C>().unwrap();\n    let d = s.next().unwrap().parse::<D>().unwrap();\n    (a, b, c, d)\n}\n\nfn read_multiple<T: FromStr>() -> Vec<T>\nwhere\n    <T as FromStr>::Err: Debug,\n{\n    read_stdin()\n        .split_whitespace()\n        .map(|x| x.parse::<T>().expect(\"cannot parse stdin\"))\n        .collect()\n}\n\n/// NOTE: sort iter beforehand if required\nfn count<T>(iter: &mut impl Iterator<Item = T>) -> Vec<(T, usize)>\nwhere\n    T: std::cmp::Ord,\n{\n    let iter = iter.collect::<Vec<_>>();\n    //iter.sort();\n    let (mut v, o, c) =\n        iter.into_iter()\n            .fold((Vec::new(), None, 0), |(mut v, last, count), item| {\n                if let Some(o) = last {\n                    if item == o {\n                        (v, Some(o), count + 1)\n                    } else {\n                        v.push((o, count));\n                        (v, Some(item), 1)\n                    }\n                } else {\n                    (v, Some(item), 1)\n                }\n            });\n    if let Some(i) = o {\n        v.push((i, c));\n    }\n    v\n}\n\nfn partial_sum<T>(v: impl Iterator<Item = T>) -> impl Iterator<Item = T>\nwhere\n    T: Default + std::ops::Add<Output = T> + Copy,\n{\n    v.scan(T::default(), |state, x| {\n        *state = *state + x;\n        Some(*state)\n    })\n}\n\nfn max_subarray(v: impl Iterator<Item = i64>) -> (i64, (usize, usize)) {\n    //assert!(v.len() > 0);\n    let mut best_sum = 0;\n    let (mut best_start, mut best_end) = (0, 0);\n    let mut current_sum = 0;\n    let mut current_start = 0;\n    for (end, val) in v.enumerate() {\n        if current_sum <= 0 {\n            current_start = end;\n            current_sum = val;\n        } else {\n            current_sum += val;\n        }\n        if current_sum > best_sum {\n            best_sum = current_sum;\n            best_start = current_start;\n            best_end = end + 1;\n        }\n    }\n    (best_sum, (best_start, best_end))\n}\n\nfn gcd(mut a: u64, mut b: u64) -> u64 {\n    while a != 0 {\n        let old_m = a;\n        a = b % a;\n        b = old_m;\n    }\n    b\n}\n\n/// returns gcd, and pair (x, y), such that x * a + b * y == gcd\nfn egcd(a: i64, b: i64) -> (i64, i64, i64) {\n    if a == 0 {\n        (b, 0, 1)\n    } else {\n        let (g, x, y) = egcd(b % a, a);\n        (g, y - (b / a) * x, x)\n    }\n}\n\nfn factorize(mut n: u64) -> Vec<u64> {\n    if n <= 3 {\n        return vec![n];\n    }\n    let mut v = Vec::new();\n    while n % 2 == 0 {\n        n /= 2;\n        v.push(2);\n    }\n    while n % 3 == 0 {\n        n /= 3;\n        v.push(3);\n    }\n    let mut f = 6;\n    while (f - 1) * (f - 1) <= n {\n        while n % (f - 1) == 0 {\n            n /= f - 1;\n            v.push(f - 1);\n        }\n        while n % (f + 1) == 0 {\n            n /= f + 1;\n            v.push(f + 1);\n        }\n        f += 6;\n    }\n    if n > 1 {\n        v.push(n);\n    }\n    v\n}\n\nfn compact_factors(n: u64) -> Vec<(u64, usize)> {\n    count(&mut factorize(n).into_iter())\n}\n\nfn all_factors(n: u64) -> Vec<u64> {\n    if n == 0 {\n        return vec![0];\n    } else if n == 1 {\n        return vec![1];\n    }\n    let factors = compact_factors(n);\n    let mut v = vec![1];\n    for (fac, num) in factors {\n        let ori = v.clone();\n        for i in 1..num + 1 {\n            v.append(\n                &mut ori\n                    .clone()\n                    .into_iter()\n                    .map(|f| f * fac.pow(i as u32))\n                    .collect::<Vec<_>>(),\n            )\n        }\n    }\n    v.sort();\n    v\n}\n\nfn abs_diff<T>(a: T, b: T) -> T\nwhere\n    T: PartialOrd + std::ops::Sub<Output = T>,\n{\n    if a > b {\n        a - b\n    } else {\n        b - a\n    }\n}\n\nstruct Permutations<T> {\n    inner: Vec<T>,\n    state: Vec<usize>,\n    i: usize,\n    start: bool,\n}\n\nimpl<T> Permutations<T> {\n    fn new(inner: Vec<T>) -> Self {\n        Self {\n            state: vec![0; inner.len()],\n            i: 0,\n            start: true,\n            inner,\n        }\n    }\n}\n\n/*impl<T, X> From<X> for Permutations<T>\nwhere\n    X: IntoIterator<Item = T>,\n{\n    fn from(f: X) -> Self {\n        Self::new(f.into_iter().collect::<Vec<T>>())\n    }\n}*/\n\nimpl<T> Iterator for Permutations<T>\nwhere\n    T: Clone,\n{\n    type Item = Vec<T>;\n    fn next(&mut self) -> Option<Self::Item> {\n        if self.start {\n            self.start = false;\n            return Some(self.inner.clone());\n        }\n        while self.i < self.inner.len() {\n            if self.state[self.i] < self.i {\n                if self.i % 2 == 0 {\n                    self.inner.swap(0, self.i)\n                } else {\n                    self.inner.swap(self.state[self.i], self.i)\n                }\n                self.state[self.i] += 1;\n                self.i = 0;\n                return Some(self.inner.clone());\n            } else {\n                self.state[self.i] = 0;\n                self.i += 1;\n            }\n        }\n        None\n    }\n}\n\nuse std::cmp::{max, min, Ord, Ordering};\nuse std::collections::{BinaryHeap, VecDeque};\nuse std::mem::swap;\n\n#[derive(Clone)]\nstruct Graph {\n    nodes: usize,\n    edges: Vec<Vec<(usize, u64)>>,\n}\n\nimpl Graph {\n    fn new(n: usize) -> Self {\n        Self {\n            nodes: n,\n            edges: vec![Vec::new(); n + 1],\n        }\n    }\n\n    fn add_edge(&mut self, x: usize, y: usize, cost: u64) {\n        self.edges[x].push((y, cost));\n        self.edges[y].push((x, cost));\n    }\n\n    fn dijkstra(&mut self, start: usize, end: usize) -> u64 {\n        let mut dist = vec![None; self.nodes + 1];\n        let mut prev = vec![None; self.nodes + 1];\n        dist[start] = Some(0);\n        let mut queue = (1..=self.nodes).collect::<Vec<_>>();\n        queue.sort_unstable_by_key(|node| dist[*node].unwrap_or(std::u64::MAX));\n        queue.reverse();\n        while let Some(next_node) = queue.pop() {\n            if next_node == end {\n                return dist[next_node].unwrap();\n            }\n            for (neighbour, cost) in self.edges[next_node].iter() {\n                let alt = dist[next_node].unwrap() + cost;\n                if dist[*neighbour].is_none() {\n                    dist[*neighbour] = Some(alt);\n                    prev[*neighbour] = Some(next_node);\n                } else {\n                    if alt < dist[*neighbour].unwrap() {\n                        dist[*neighbour] = Some(alt);\n                        prev[*neighbour] = Some(next_node);\n                    }\n                }\n            }\n            //println!(\"{:?} {:?}\", dist, prev);\n            queue.sort_unstable_by_key(|node| dist[*node].unwrap_or(std::u64::MAX));\n            queue.reverse();\n        }\n        0\n    }\n\n    fn set_cost(&mut self, x: usize, y: usize, cost: u64) {\n        for i in 0..self.edges[x].len() {\n            if self.edges[x][i].0 == y {\n                self.edges[x][i].1 = cost\n            }\n        }\n        for i in 0..self.edges[y].len() {\n            if self.edges[y][i].0 == x {\n                self.edges[y][i].1 = cost\n            }\n        }\n    }\n}\n\nconst MODULO: u64 = 1_000_000_007;\n\n#[derive(Debug, Copy, Clone, Ord, PartialOrd, Eq, PartialEq)]\nstruct BigPrimeRing {\n    inner: u64,\n}\n\nimpl<T> From<T> for BigPrimeRing\nwhere\n    T: Into<u64>,\n{\n    fn from(n: T) -> Self {\n        Self {\n            inner: n.into() % MODULO,\n        }\n    }\n}\n\nimpl<T> std::ops::Add<T> for BigPrimeRing\nwhere\n    T: Into<Self>,\n{\n    type Output = BigPrimeRing;\n    fn add(self, rhs: T) -> Self::Output {\n        Self {\n            inner: (self.inner + rhs.into().inner) % MODULO,\n        }\n    }\n}\n\nimpl<T> std::ops::AddAssign<T> for BigPrimeRing\nwhere\n    T: Into<Self>,\n{\n    fn add_assign(&mut self, rhs: T) {\n        self.inner += rhs.into().inner;\n        self.inner %= MODULO;\n    }\n}\n\nimpl<T> std::ops::Sub<T> for BigPrimeRing\nwhere\n    T: Into<Self>,\n{\n    type Output = BigPrimeRing;\n    fn sub(self, rhs: T) -> Self::Output {\n        Self {\n            inner: (self.inner + MODULO - rhs.into().inner) % MODULO,\n        }\n    }\n}\n\nimpl<T> std::ops::SubAssign<T> for BigPrimeRing\nwhere\n    T: Into<Self>,\n{\n    fn sub_assign(&mut self, rhs: T) {\n        self.inner += MODULO;\n        self.inner -= rhs.into().inner;\n        self.inner %= MODULO;\n    }\n}\n\nimpl<T> std::ops::Mul<T> for BigPrimeRing\nwhere\n    T: Into<Self>,\n{\n    type Output = BigPrimeRing;\n    fn mul(self, rhs: T) -> Self::Output {\n        Self {\n            inner: (self.inner * rhs.into().inner) % MODULO,\n        }\n    }\n}\n\nimpl<T> std::ops::MulAssign<T> for BigPrimeRing\nwhere\n    T: Into<Self>,\n{\n    fn mul_assign(&mut self, rhs: T) {\n        self.inner *= rhs.into().inner;\n        self.inner %= MODULO;\n    }\n}\n\nimpl BigPrimeRing {\n    fn inverse(self) -> Self {\n        if self.inner == 0 {\n            return self;\n        }\n        let (_g, mut x, _y) = egcd(self.inner as i64, MODULO as i64);\n        if x < 0 {\n            x += MODULO as i64;\n        }\n        Self { inner: x as u64 }\n    }\n}\n\nmacro_rules! max_with {\n    ($x: expr, $y: expr) => {\n        $x = max($x, $y)\n    };\n}\n\nmacro_rules! min_with {\n    ($x: expr, $y: expr) => {\n        $x = max($x, $y)\n    };\n}\n\nfn is_prime(n: u64) -> bool {\n    factorize(n).len() == 1\n}\n\nfn dp(graph: &Vec<Vec<usize>>, weights: &Vec<u64>, node: usize) -> (u64, u64, usize) {\n    if graph[node].is_empty() {\n        return (weights[node], 0, 1);\n    }\n    let weight = weights[node];\n    let ans_vec = graph[node]\n        .iter()\n        .map(|neighbour| dp(graph, weights, *neighbour))\n        .collect::<Vec<_>>();\n    let max_ans = ans_vec\n        .iter()\n        .map(|(a, _residue, _leaves)| *a)\n        .max()\n        .unwrap();\n    let sum_residue = ans_vec\n        .iter()\n        .map(|(a, res, leaves)| res + (max_ans - a) * (*leaves) as u64)\n        .sum::<u64>();\n    let total_leaves = ans_vec.into_iter().map(|(_a, _r, l)| l).sum::<usize>();\n    if sum_residue >= weight {\n        (max_ans, sum_residue - weight, total_leaves)\n    } else {\n        let residue = weight - sum_residue;\n        (\n            max_ans + ((residue + total_leaves as u64 - 1) / total_leaves as u64),\n            residue % total_leaves as u64,\n            total_leaves,\n        )\n    }\n}\n\nfn main() -> Result<(), Box<dyn std::error::Error>> {\n    let (n, x, pos) = read_3::<usize, usize, usize>();\n    let mut left = 0;\n    let mut right = n;\n    //let mut checks = Vec::new();\n    let mut prefix = 0;\n    let mut postfix = 0;\n    while left < right {\n        let middle = (left + right) / 2;\n        //checks.push(middle);\n        if middle <= pos {\n            left = middle + 1;\n            prefix += 1;\n        } else {\n            right = middle;\n            postfix += 1;\n        }\n    }\n    //checks.sort_unstable();\n    // let prefix = checks.iter().take_while(|v| **v <= pos).count();\n    //let postfix = checks.iter().skip_while(|v| **v <= pos).count();\n    //println!(\"{:?}\", checks);\n    //println!(\"{:?}\", prefix);\n    //println!(\"{:?}\", postfix);\n    let remain = n - prefix - postfix;\n    let mut res = BigPrimeRing::from(1u8);\n    for i in 1..=remain {\n        res *= i as u64\n    }\n    //println!(\"{}\", res.inner);\n    for i in (x - prefix + 1)..=(x - 1) {\n        res *= i as u64\n    }\n    //println!(\"{}\", res.inner);\n    for i in ((n - x) - postfix + 1)..=(n - x) {\n        res *= i as u64\n    }\n    println!(\"{}\", res.inner);\n    Ok(())\n}\n", "lang": "Rust", "bug_code_uid": "11e1e506e7b034af64d37f6294977514", "src_uid": "24e2f10463f440affccc2755f4462d8a", "apr_id": "fdf417a2c3f0cdef2a0734f1cff6d3e2", "difficulty": 1500, "tags": ["combinatorics", "binary search"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "insert", "lang_cluster": "Rust"}
{"similarity_score": 0.39805825242718446, "equal_cnt": 17, "replace_cnt": 10, "delete_cnt": 3, "insert_cnt": 3, "fix_ops_cnt": 16, "bug_source_code": "use std::io::stdin;\n\nfn main() {\n    let mut s = String::new();\n    stdin().read_line(&mut s).unwrap();\n    s = String::new();\n    stdin().read_line(&mut s).unwrap();\n    let mut s: Vec<u8> = s.trim().bytes().collect();\n    let mut count: u32 = 0;\n    while s.len() > 1 {\n        let mut b = false;\n        let mut i = 0;\n        while i < s.len() - 1 {\n            if s[i] as i16 - s[i + 1] as i16 == 1 {\n                b = true;\n                s.remove(i);\n                count += 1;\n            }\n            i += 1;\n        }\n        i = s.len() - 1;\n        while i > 0 {\n            if s[i] as i16 - s[i - 1] as i16 == 1 {\n                b = true;\n                s.remove(i);\n                count += 1;\n            }\n            i -= 1;\n        }\n        if !b {\n            break;\n        }\n    }\n    println!(\"{}\", count);\n}\n", "lang": "Rust", "bug_code_uid": "9daddbeed6c9a5a9643ea589b02f8024", "src_uid": "9ce37bc2d361f5bb8a0568fb479b8a38", "apr_id": "bfad21b5746835830fe0fae32aa98b6a", "difficulty": 1600, "tags": ["strings", "brute force", "greedy", "constructive algorithms"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "replace", "lang_cluster": "Rust"}
{"similarity_score": 0.8031298029900796, "equal_cnt": 16, "replace_cnt": 11, "delete_cnt": 4, "insert_cnt": 0, "fix_ops_cnt": 15, "bug_source_code": "#[allow(unused_imports)]\nuse std::cmp::{Ordering};\n\n#[allow(unused_imports)]\nuse std::collections::{BTreeMap, BTreeSet, BinaryHeap, HashMap, HashSet, VecDeque};\n\n#[allow(unused_imports)]\nuse std::io::{stdin, stdout, BufWriter, Write};\n\n#[allow(unused_imports)]\nuse std::iter::FromIterator;\n\n#[allow(unused_macros)]\nmacro_rules! min {\n    ($x: expr) => ($x);\n    ($x: expr, $($z: expr),+) => {{\n        std::cmp::min($x, min!($($z),*))\n    }}\n}\n\n#[allow(unused_macros)]\nmacro_rules! max {\n    ($x: expr) => ($x);\n    ($x: expr, $($z: expr),+) => {{\n        std::cmp::max($x, max!($($z),*))\n    }}\n}\n\n#[allow(unused_macros)]\nmacro_rules! get { \n    ([$t: ty]) => { \n        { \n            let mut line = String::new(); \n            stdin().read_line(&mut line).unwrap(); \n            line.split_whitespace().map(|t|t.parse::<$t>().unwrap()).collect::<Vec<_>>()\n        }\n    };\n    ([$t: ty];$n: expr) => {\n        (0..$n).map(|_|get!([$t])).collect::<Vec<_>>()\n    };\n    ($t: ty) => {\n        {\n            let mut line = String::new();\n            stdin().read_line(&mut line).unwrap();\n            line.trim().parse::<$t>().unwrap()\n        }\n    };\n    ($($t: ty),*) => {\n        { \n            let mut line = String::new();\n            stdin().read_line(&mut line).unwrap();\n            let mut iter = line.split_whitespace();\n            ($(iter.next().unwrap().parse::<$t>().unwrap(),)*)\n        }\n    };\n    ($t: ty; $n: expr) => {\n        (0..$n).map(|_|get!($t)).collect::<Vec<_>>()\n    };\n    ($($t: ty),*; $n: expr) => {\n        (0..$n).map(|_|get!($($t),*)).collect::<Vec<_>>()\n    };\n}\n\n#[allow(unused_macros)]\nmacro_rules! debug {\n    ($($a:expr),*) => {\n        #[cfg(debug_assertions)]\n        writeln!(&mut std::io::stderr(), concat!(\"[DEBUG] \", $(stringify!($a), \"={:?} \"),*), $($a),*).unwrap();\n    }\n}\n\nconst BIG_STACK_SIZE: bool = true;\n\n#[allow(dead_code)]\nfn main() {\n    use std::thread;\n    if BIG_STACK_SIZE {\n        thread::Builder::new()\n            .stack_size(32 * 1024 * 1024)\n            .name(\"solve\".into())\n            .spawn(solve)\n            .unwrap()\n            .join()\n            .unwrap();\n    } else {\n        solve();\n    }\n}\n\n#[derive(Eq, PartialEq, Clone, Debug)]\npub struct Rev<T>(pub T);\nimpl<T: PartialOrd> PartialOrd for Rev<T> {\n    fn partial_cmp(&self, other: &Rev<T>) -> Option<Ordering> {\n        other.0.partial_cmp(&self.0)\n    }\n}\nimpl<T: Ord> Ord for Rev<T> {\n    fn cmp(&self, other: &Rev<T>) -> Ordering {\n        other.0.cmp(&self.0)\n    }\n}\n\nstruct BinaryIndexedTree {\n    tree: Vec<isize>,\n}\nimpl BinaryIndexedTree {\n#[allow(dead_code)]\n    fn new(n: usize) -> Self {\n        BinaryIndexedTree {\n            tree: vec![0; n + 1],\n        }\n    }\n#[allow(dead_code)]\n    fn add(&mut self, a: usize, w: isize) {\n        let mut x = a as isize + 1;\n        while x < self.tree.len() as isize {\n            self.tree[x as usize] += w;\n            x += x & (-x);\n        }\n    }\n#[allow(dead_code)]\n    fn sum(&self, n: usize) -> isize {\n        let mut x = n as isize;\n        let mut ret = 0;\n        while x > 0 {\n            ret += self.tree[x as usize];\n            x -= x & (-x);\n        }\n        ret\n    }\n#[allow(dead_code)]\n    fn sum_with(&self, l: usize, r: usize) -> isize {\n        if l == 0 {\n            self.sum(r)\n        } else {\n            self.sum(r) - self.sum(l - 1)\n        }\n    }\n}\n\nfn solve() {\n    let out = stdout();\n    let mut out = BufWriter::new(out.lock());\n    let n = get!(usize);\n    let mut s = get!(String).chars().map(|e| e as usize - 'a' as usize).collect::<Vec<_>>();\n\n    let mut is = s.clone().into_iter().enumerate().collect::<Vec<_>>();\n    is.sort_by_key(|e|Rev(e.1));\n\n    let mut bit = BinaryIndexedTree::new(n+1);\n    for (i,c) in is {\n        let j = i-bit.sum(i) as usize;\n        if (j>0 && s[j-1]+1 == c) || (j<s.len()-1 && s[j+1]+1 == c) {\n            bit.add(i,1);\n            s.remove(j);\n        }\n    }\n    writeln!(out, \"{}\", n-s.len()).unwrap();\n}\n", "lang": "Rust", "bug_code_uid": "e9ec04b6bf99f144ac7acb7ffb4b4664", "src_uid": "9ce37bc2d361f5bb8a0568fb479b8a38", "apr_id": "43a79bd48188ede16819ddb4c3043b7c", "difficulty": 1600, "tags": ["strings", "brute force", "greedy", "constructive algorithms"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "replace", "lang_cluster": "Rust"}
{"similarity_score": 0.9239506172839507, "equal_cnt": 19, "replace_cnt": 10, "delete_cnt": 3, "insert_cnt": 5, "fix_ops_cnt": 18, "bug_source_code": "#[allow(unused_imports)]\nuse std::char::*;\n#[allow(unused_imports)]\nuse std::cmp::*;\n#[allow(unused_imports)]\nuse std::collections::*;\nuse std::io::*;\nuse std::str::FromStr;\n\n#[allow(unused_macros)]\nmacro_rules! debug {($($a:expr),*) => {println!(concat!($(stringify!($a), \" = {:?}, \"),*), $($a),*);}}\n#[allow(unused_macros)]\nmacro_rules! input { ( source = $ s : expr , $ ( $ r : tt ) * ) => { let mut iter = $ s . split_whitespace ( ) ; let mut next = || { iter . next ( ) . unwrap ( ) } ; input_inner ! { next , $ ( $ r ) * } } ; ( $ ( $ r : tt ) * ) => { let stdin = std :: io :: stdin ( ) ; let mut bytes = std :: io :: Read :: bytes ( std :: io :: BufReader :: new ( stdin . lock ( ) ) ) ; let mut next = move || -> String { bytes . by_ref ( ) . map ( | r | r . unwrap ( ) as char ) . skip_while ( | c | c . is_whitespace ( ) ) . take_while ( | c |! c . is_whitespace ( ) ) . collect ( ) } ; input_inner ! { next , $ ( $ r ) * } } ; }\n#[allow(unused_macros)]\nmacro_rules! input_inner { ( $ next : expr ) => { } ; ( $ next : expr , ) => { } ; ( $ next : expr , $ var : ident : $ t : tt $ ( $ r : tt ) * ) => { let $ var = read_value ! ( $ next , $ t ) ; input_inner ! { $ next $ ( $ r ) * } } ; }\n#[allow(unused_macros)]\nmacro_rules! read_value { ( $ next : expr , ( $ ( $ t : tt ) ,* ) ) => { ( $ ( read_value ! ( $ next , $ t ) ) ,* ) } ; ( $ next : expr , [ $ t : tt ; $ len : expr ] ) => { ( 0 ..$ len ) . map ( | _ | read_value ! ( $ next , $ t ) ) . collect ::< Vec < _ >> ( ) } ; ( $ next : expr , chars ) => { read_value ! ( $ next , String ) . chars ( ) . collect ::< Vec < char >> ( ) } ; ( $ next : expr , usize1 ) => { read_value ! ( $ next , usize ) - 1 } ; ( $ next : expr , $ t : ty ) => { $ next ( ) . parse ::<$ t > ( ) . expect ( \"Parse error\" ) } ; }\n\n#[derive(PartialEq, PartialOrd)]\npub struct Total<T>(pub T);\nimpl<T: PartialEq> Eq for Total<T> {}\nimpl<T: PartialOrd> Ord for Total<T> { fn cmp(&self, other: &Total<T>) -> std::cmp::Ordering { self.0.partial_cmp(&other.0).unwrap() }}\n\n#[allow(dead_code)]\nconst MAX:usize = 100006;\n#[allow(dead_code)]\nconst MOD:i64 = 1e9 as i64 + 7;\n\n\n#[allow(dead_code)]\nfn read<T: FromStr>() -> T {\n    let stdin = stdin();\n    let stdin = stdin.lock();\n    let token: String = stdin\n        .bytes()\n        .map(|c| c.expect(\"failed to read char\") as char)\n        .skip_while(|c| c.is_whitespace())\n        .take_while(|c| !c.is_whitespace())\n        .collect();\n    token.parse().ok().expect(\"failed to parse token\")\n}\n\n#[allow(dead_code)]\nfn read_vec<T: std::str::FromStr>() -> Vec<T> {\n    let mut s = String::new();\n    std::io::stdin().read_line(&mut s).ok();\n    s.trim().split_whitespace()\n        .map(|e| e.parse().ok().unwrap()).collect()\n}\n\n\n#[allow(unused_imports)]\nuse std::f64;\n\nfn min<T: PartialOrd>(a:T, b:T) -> T {\n    if a < b { a }\n    else { b }\n}\n\nuse std::hash::Hash;\nfn inc<T: Hash+Ord>(map:&mut BTreeMap<T,i64>, key:T) {\n    let count = map.entry(key).or_insert(0);\n    *count += 1;\n}\n\nfn main() {\n    input!{n:usize, s:chars};\n    let mut s = s;\n\n    let mut ans = 0;\n\n    loop {\n        let mut f = vec![false;s.len()];\n        for i in 0..s.len() {\n            if i==0 {\n                if s[i] as u8 == s[i+1] as u8 + 1 {\n                    f[i] = true;\n                }\n            }\n            else if i == s.len()-1 {\n                if s[i] as u8 == s[i-1] as u8 + 1 {\n                    f[i] = true;\n                }\n            }\n            else {\n                if s[i] as u8 == s[i-1] as u8 +1 {\n                    f[i] = true;\n                }\n                if s[i] as u8 == s[i+1] as u8 + 1 {\n                    f[i] = true;\n                }\n            }\n        }\n        let mut t = vec![];\n        let mut cnt = 0;\n        for i in 0..s.len() {\n            if !f[i] {\n                t.push(s[i]);\n            }\n            else { cnt += 1; }\n        }\n        //debug!(t);\n        if cnt == 0 { break; }\n        ans += cnt;\n        if t.len() == 1 { break; }\n        s = t;\n    }\n\n    println!(\"{}\", ans);\n\n}", "lang": "Rust", "bug_code_uid": "d7d8c286727ba61ff093d92a5dfee8fe", "src_uid": "9ce37bc2d361f5bb8a0568fb479b8a38", "apr_id": "42a3099947972d1e9c5c4e95085946c3", "difficulty": 1600, "tags": ["strings", "brute force", "greedy", "constructive algorithms"], "bug_exec_outcome": "RUNTIME_ERROR", "potential_dominant_fix_op": "replace", "lang_cluster": "Rust"}
{"similarity_score": 0.9325925925925926, "equal_cnt": 17, "replace_cnt": 10, "delete_cnt": 2, "insert_cnt": 4, "fix_ops_cnt": 16, "bug_source_code": "#[allow(unused_imports)]\nuse std::char::*;\n#[allow(unused_imports)]\nuse std::cmp::*;\n#[allow(unused_imports)]\nuse std::collections::*;\nuse std::io::*;\nuse std::str::FromStr;\n\n#[allow(unused_macros)]\nmacro_rules! debug {($($a:expr),*) => {println!(concat!($(stringify!($a), \" = {:?}, \"),*), $($a),*);}}\n#[allow(unused_macros)]\nmacro_rules! input { ( source = $ s : expr , $ ( $ r : tt ) * ) => { let mut iter = $ s . split_whitespace ( ) ; let mut next = || { iter . next ( ) . unwrap ( ) } ; input_inner ! { next , $ ( $ r ) * } } ; ( $ ( $ r : tt ) * ) => { let stdin = std :: io :: stdin ( ) ; let mut bytes = std :: io :: Read :: bytes ( std :: io :: BufReader :: new ( stdin . lock ( ) ) ) ; let mut next = move || -> String { bytes . by_ref ( ) . map ( | r | r . unwrap ( ) as char ) . skip_while ( | c | c . is_whitespace ( ) ) . take_while ( | c |! c . is_whitespace ( ) ) . collect ( ) } ; input_inner ! { next , $ ( $ r ) * } } ; }\n#[allow(unused_macros)]\nmacro_rules! input_inner { ( $ next : expr ) => { } ; ( $ next : expr , ) => { } ; ( $ next : expr , $ var : ident : $ t : tt $ ( $ r : tt ) * ) => { let $ var = read_value ! ( $ next , $ t ) ; input_inner ! { $ next $ ( $ r ) * } } ; }\n#[allow(unused_macros)]\nmacro_rules! read_value { ( $ next : expr , ( $ ( $ t : tt ) ,* ) ) => { ( $ ( read_value ! ( $ next , $ t ) ) ,* ) } ; ( $ next : expr , [ $ t : tt ; $ len : expr ] ) => { ( 0 ..$ len ) . map ( | _ | read_value ! ( $ next , $ t ) ) . collect ::< Vec < _ >> ( ) } ; ( $ next : expr , chars ) => { read_value ! ( $ next , String ) . chars ( ) . collect ::< Vec < char >> ( ) } ; ( $ next : expr , usize1 ) => { read_value ! ( $ next , usize ) - 1 } ; ( $ next : expr , $ t : ty ) => { $ next ( ) . parse ::<$ t > ( ) . expect ( \"Parse error\" ) } ; }\n\n#[derive(PartialEq, PartialOrd)]\npub struct Total<T>(pub T);\nimpl<T: PartialEq> Eq for Total<T> {}\nimpl<T: PartialOrd> Ord for Total<T> { fn cmp(&self, other: &Total<T>) -> std::cmp::Ordering { self.0.partial_cmp(&other.0).unwrap() }}\n\n#[allow(dead_code)]\nconst MAX:usize = 100006;\n#[allow(dead_code)]\nconst MOD:i64 = 1e9 as i64 + 7;\n\n\n#[allow(dead_code)]\nfn read<T: FromStr>() -> T {\n    let stdin = stdin();\n    let stdin = stdin.lock();\n    let token: String = stdin\n        .bytes()\n        .map(|c| c.expect(\"failed to read char\") as char)\n        .skip_while(|c| c.is_whitespace())\n        .take_while(|c| !c.is_whitespace())\n        .collect();\n    token.parse().ok().expect(\"failed to parse token\")\n}\n\n#[allow(dead_code)]\nfn read_vec<T: std::str::FromStr>() -> Vec<T> {\n    let mut s = String::new();\n    std::io::stdin().read_line(&mut s).ok();\n    s.trim().split_whitespace()\n        .map(|e| e.parse().ok().unwrap()).collect()\n}\n\n\n#[allow(unused_imports)]\nuse std::f64;\n\nfn min<T: PartialOrd>(a:T, b:T) -> T {\n    if a < b { a }\n    else { b }\n}\n\nuse std::hash::Hash;\nfn inc<T: Hash+Ord>(map:&mut BTreeMap<T,i64>, key:T) {\n    let count = map.entry(key).or_insert(0);\n    *count += 1;\n}\n\nfn main() {\n    input!{n:usize, s:chars};\n    let mut s = s;\n\n    let mut ans = 0;\n\n    loop {\n        if s.len() == 1 { break; }\n        let mut f = vec![false;s.len()];\n        for i in 0..s.len() {\n            if i==0 {\n                if s[i] as u8 == s[i+1] as u8 + 1 {\n                    f[i] = true;\n                }\n            }\n            else if i == s.len()-1 {\n                if s[i] as u8 == s[i-1] as u8 + 1 {\n                    f[i] = true;\n                }\n            }\n            else {\n                if s[i] as u8 == s[i-1] as u8 +1 {\n                    f[i] = true;\n                }\n                if s[i] as u8 == s[i+1] as u8 + 1 {\n                    f[i] = true;\n                }\n            }\n        }\n        let mut t = vec![];\n        let mut cnt = 0;\n        for i in 0..s.len() {\n            if !f[i] {\n                t.push(s[i]);\n            }\n            else { cnt += 1; }\n        }\n        //debug!(t);\n        if cnt == 0 { break; }\n        ans += cnt;\n        s = t;\n    }\n\n    println!(\"{}\", ans);\n\n}", "lang": "Rust", "bug_code_uid": "b986c45a963a57e16f38c6440b994c15", "src_uid": "9ce37bc2d361f5bb8a0568fb479b8a38", "apr_id": "42a3099947972d1e9c5c4e95085946c3", "difficulty": 1600, "tags": ["strings", "brute force", "greedy", "constructive algorithms"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "replace", "lang_cluster": "Rust"}
{"similarity_score": 0.5991820040899796, "equal_cnt": 17, "replace_cnt": 7, "delete_cnt": 3, "insert_cnt": 7, "fix_ops_cnt": 17, "bug_source_code": "#[allow(unused_imports)]\nuse std::cmp::{max, min};\nuse std::io::stdin;\n#[derive(Default)]\nstruct Scanner {\n    buffer: Vec<String>,\n}\n\nimpl Scanner {\n    fn next<T: std::str::FromStr>(&mut self) -> T {\n        loop {\n            if let Some(token) = self.buffer.pop() {\n                return token.parse().ok().expect(\"Failed parse\");\n            }\n            let mut input = String::new();\n            stdin().read_line(&mut input).expect(\"Failed read\");\n            self.buffer = input.split_whitespace().rev().map(String::from).collect();\n        }\n    }\n}\nfn can_remove(index: usize, phrase: Vec<char>) -> bool {\n    let phrase_length = phrase.len();\n    let (current, previous, next) = (\n        phrase[index] as i32,\n        if index == 0 {\n            phrase[index] as i32\n        } else {\n            phrase[index - 1] as i32\n        },\n        if index == (phrase_length - 1) {\n            phrase[index] as i32\n        } else {\n            phrase[index + 1] as i32\n        },\n    );\n    (current as i32 - next as i32) == 1 || (current as i32 - previous as i32) == 1\n}\nfn try_remove<'a>(index: usize, phrase: Vec<char>) -> Vec<char> {\n    let mut cloned = phrase.clone();\n    let copied: &mut Vec<char> = cloned.as_mut();\n    if can_remove(index, copied.to_vec()) {\n        copied.remove(index);\n    }\n    copied.to_vec()\n}\nfn start_reduce_from(start: usize, phrase: Vec<char>) -> usize {\n    let len = phrase.len();\n    if start >= len {\n        return len;\n    }\n    let removed = try_remove(start, phrase.clone());\n    let mut reduced_len: usize = removed.len();\n    if reduced_len < len {\n        reduced_len = start_reduce_from(0, removed);\n    }\n    min(reduced_len, start_reduce_from(start + 1, phrase))\n}\n\nfn main() {\n    let mut scan = Scanner::default();\n    let length = scan.next::<usize>();\n    let chars: Vec<char> = scan.next::<String>().chars().collect();\n    let min_len = start_reduce_from(0, chars);\n    println!(\"{}\", length - min_len)\n}\n", "lang": "Rust", "bug_code_uid": "5233ec3a8ead1910316caa1bffbe4f7d", "src_uid": "9ce37bc2d361f5bb8a0568fb479b8a38", "apr_id": "f5e6c3db46c15b3afe646bb33cb41467", "difficulty": 1600, "tags": ["strings", "brute force", "greedy", "constructive algorithms"], "bug_exec_outcome": "TIME_LIMIT_EXCEEDED", "potential_dominant_fix_op": "replace", "lang_cluster": "Rust"}
{"similarity_score": 0.2780917929007461, "equal_cnt": 12, "replace_cnt": 5, "delete_cnt": 2, "insert_cnt": 5, "fix_ops_cnt": 12, "bug_source_code": "use std::io::stdin;\n\n#[allow(unused_imports)]\nuse std::iter::FromIterator;\n#[derive(Default)]\nstruct Scanner {\n    buffer: Vec<String>,\n}\n\nimpl Scanner {\n    fn next<T: std::str::FromStr>(&mut self) -> T {\n        loop {\n            if let Some(token) = self.buffer.pop() {\n                return token.parse().ok().expect(\"Failed parse\");\n            }\n            let mut input = String::new();\n            stdin().read_line(&mut input).expect(\"Failed read\");\n            self.buffer = input.split_whitespace().rev().map(String::from).collect();\n        }\n    }\n}\n\nfn _hash(vec: Vec<char>) -> String {\n    vec.iter().map(|x| format!(\"{}\", x)).collect::<String>()\n}\nfn can_remove(index: usize, phrase: Vec<(char, bool)>) -> bool {\n    let current = phrase[index];\n    if current.1 {\n        return false;\n    }\n    let mut can_r = false;\n    let mut step = 1;\n    let phrase_length = phrase.len();\n    let mut max_next = false;\n    let mut max_previous = false;\n    loop {\n        if max_next && max_previous || can_r {\n            return can_r;\n        }\n        let next = if index + step < phrase_length && (step == 1 || phrase[index + step - 1].1) {\n            phrase[index + step].0 as i32\n        } else {\n            max_next = true;\n            phrase[index].0 as i32\n        };\n        let previous = if index >= step && (step == 1 || phrase[index - step + 1].1) {\n            phrase[index - step].0 as i32\n        } else {\n            max_previous = true;\n            phrase[index].0 as i32\n        };\n        can_r = current.0 as i32 - next == 1 || current.0 as i32 - previous == 1;\n        step += 1;\n    }\n}\nfn try_remove(index: usize, phrase: &mut Vec<(char, bool)>) -> bool {\n    if can_remove(index, phrase.to_vec()) {\n        phrase[index] = (phrase[index].0, true);\n        return true;\n    }\n    false\n}\n\nfn start_reduce_from(total_len: usize, start: usize, phrase: &mut Vec<(char, bool)>) -> usize {\n    let len = phrase.len();\n    if start >= len {\n        return 0;\n    }\n    if try_remove(start, phrase) {\n        start_reduce_from(total_len, 0, phrase)\n    } else {\n        start_reduce_from(total_len, start + 1, phrase)\n    }\n}\nfn main() {\n    let mut scan = Scanner::default();\n    let total_len = scan.next::<usize>();\n    let mut chars: Vec<(char, bool)> = scan.next::<String>().chars().map(|x| (x, false)).collect();\n    let _ = start_reduce_from(total_len, 0, &mut chars);\n    println!(\"{}\", chars.iter().cloned().filter(|(_, y)| *y).count());\n}\n", "lang": "Rust", "bug_code_uid": "c6a66b88d6e5179abe12e298dee4f27f", "src_uid": "9ce37bc2d361f5bb8a0568fb479b8a38", "apr_id": "f5e6c3db46c15b3afe646bb33cb41467", "difficulty": 1600, "tags": ["strings", "brute force", "greedy", "constructive algorithms"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "replace", "lang_cluster": "Rust"}
{"similarity_score": 0.47320692497938993, "equal_cnt": 8, "replace_cnt": 5, "delete_cnt": 2, "insert_cnt": 2, "fix_ops_cnt": 9, "bug_source_code": "use std::io::stdin;\nfn main() {\n    let mut _text = String::new();\n    stdin().read_line(&mut _text).unwrap();\n    let commands = parse();\n    let mut robot = Robot::new();\n    let mut counter = 0;\n    let mut results = vec!(0);\n    for i in commands {\n        robot.obey(i);\n        counter +=1;\n        if robot.x ==0 && robot.y ==0 {\n           results.push(counter); \n        }\n    }\n    println!(\"{}\",results[results.len()-1])\n    \n}\nenum Command {\n    U,\n    D,\n    L,\n    R,\n}\nstruct Robot {\n    x: usize,\n    y: usize,\n}\nimpl Robot {\n    fn new() -> Robot {\n        Robot { x: 0, y: 0 }\n    }\n    fn obey(&mut self, c: Command) {\n        match c {\n            Command::U => {\n                self.y += 1;\n            }\n            Command::D => {\n                self.y -= 1;\n            }\n            Command::L => {\n                self.x -= 1;\n            }\n            Command::R => {\n                self.x += 1;\n            }\n        };\n    }\n}\n\nfn parse() -> Vec<Command> {\n    let mut text = String::new();\n    stdin().read_line(&mut text).unwrap();\n    let fu = |e: char| -> Command {\n        match e {\n            'U' => Command::U,\n            'D' => Command::D,\n            'L' => Command::L,\n            _ => Command::R,\n        }\n    };\n    let text: Vec<Command> = text.trim().chars().map(fu).collect();\n    text\n}\n", "lang": "Rust", "bug_code_uid": "3df2d36ce7d0ebe433b69f64e9e35c76", "src_uid": "b9fa2bb8001bd064ede531a5281cfd8a", "apr_id": "b739652f8c3b0f67b416ddfeff005b49", "difficulty": 1000, "tags": ["greedy"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "replace", "lang_cluster": "Rust"}
{"similarity_score": 0.9987745098039216, "equal_cnt": 5, "replace_cnt": 2, "delete_cnt": 1, "insert_cnt": 1, "fix_ops_cnt": 4, "bug_source_code": "// ---------- begin input macro ----------\n// reference: https://qiita.com/tanakh/items/0ba42c7ca36cd29d0ac8\nmacro_rules! input {\n    (source = $s:expr, $($r:tt)*) => {\n        let mut iter = $s.split_whitespace();\n        input_inner!{iter, $($r)*}\n    };\n    ($($r:tt)*) => {\n        let s = {\n            use std::io::Read;\n            let mut s = String::new();\n            std::io::stdin().read_to_string(&mut s).unwrap();\n            s\n        };\n        let mut iter = s.split_whitespace();\n        input_inner!{iter, $($r)*}\n    };\n}\n\nmacro_rules! input_inner {\n    ($iter:expr) => {};\n    ($iter:expr, ) => {};\n    ($iter:expr, $var:ident : $t:tt $($r:tt)*) => {\n        let $var = read_value!($iter, $t);\n        input_inner!{$iter $($r)*}\n    };\n}\n\nmacro_rules! read_value {\n    ($iter:expr, ( $($t:tt),* )) => {\n        ( $(read_value!($iter, $t)),* )\n    };\n    ($iter:expr, [ $t:tt ; $len:expr ]) => {\n        (0..$len).map(|_| read_value!($iter, $t)).collect::<Vec<_>>()\n    };\n    ($iter:expr, chars) => {\n        read_value!($iter, String).chars().collect::<Vec<char>>()\n    };\n    ($iter:expr, bytes) => {\n        read_value!($iter, String).bytes().collect::<Vec<u8>>()\n    };\n    ($iter:expr, usize1) => {\n        read_value!($iter, usize) - 1\n    };\n    ($iter:expr, $t:ty) => {\n        $iter.next().unwrap().parse::<$t>().expect(\"Parse error\")\n    };\n}\n// ---------- end input macro ----------\n\nuse std::cmp::*;\n\nfn run() {\n    input! {\n        yang: (i64, i64, i64),\n        mons: (i64, i64, i64),\n        h: i64,\n        a: i64,\n        d: i64,\n    }\n    let win = |h: i64, a: i64, b: i64| -> bool {\n        let yang = (yang.0 + h, yang.1 + a, yang.2 + b);\n        let x = max(yang.1 - mons.2, 0);\n        if x <= 0 {\n            return false;\n        }\n        let y = max(mons.1 - yang.2, 0);\n        if y <= 0 {\n            return true;\n        }\n        let a = (yang.0 + y - 1) / y;\n        let b = (mons.0 + x - 1) / x;\n        a > b\n    };\n    // DEF\u3092100, ATK \u3092100\u8cb7\u3048\u3070\u52dd\u3066\u308b\u3001\u3053\u308c\u4ee5\u4e0b\n    let mut ans = 100 * a + 100 * d;\n    for i in 0..=10000 {\n        if i * h > ans {\n            break;\n        }\n        for j in 0..=100 {\n            if j * a > ans - i * h {\n                break;\n            }\n            for k in 0..=100 {\n                if win(i, j, k) {\n                    ans = min(ans, i * h + j * a + k * d);\n                }\n            }\n        }\n    }\n    println!(\"{}\", ans);\n}\n\nfn main() {\n    run();\n}\n", "lang": "Rust", "bug_code_uid": "f86938c0c9b20b46aa417cee31ae1bad", "src_uid": "bf8a133154745e64a547de6f31ddc884", "apr_id": "274797bae00b009f9193899366f5eb73", "difficulty": 1800, "tags": ["brute force", "implementation", "binary search"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "replace", "lang_cluster": "Rust"}
{"similarity_score": 0.9104659673090998, "equal_cnt": 9, "replace_cnt": 6, "delete_cnt": 1, "insert_cnt": 1, "fix_ops_cnt": 8, "bug_source_code": "macro_rules! parse_line {\n    ($t: ty) => ({\n        let mut a_str = String::new();\n        std::io::stdin().read_line(&mut a_str).expect(\"read error\");\n        let a_str = a_str.trim();\n        a_str.parse::<$t>().expect(\"parse error\")\n    });\n    ($($t: ty),+) => ({\n        let mut a_str = String::new();\n        std::io::stdin().read_line(&mut a_str).expect(\"read error\");\n        let mut a_iter = a_str.split_whitespace();\n        (\n            $(\n            a_iter.next().unwrap().parse::<$t>().expect(\"parse error\"),\n            )+\n        )\n    })\n}\n\nmacro_rules! parse_line_to_vec {\n    ($t: ty) => {{\n        let mut a_str = String::new();\n        std::io::stdin().read_line(&mut a_str).expect(\"read error\");\n        (a_str\n            .split_whitespace()\n            .map(|x| x.parse::<$t>().unwrap())\n            .collect::<Vec<$t>>())\n    }};\n}\n\nfn resolve(hy: i64, ay: i64, dy: i64, hm: i64, am: i64, dm: i64) -> bool {\n    let ay = std::cmp::max(0, ay - dm);\n    let am = std::cmp::max(0, am - dy);\n    if ay == 0 {\n        return false;\n    }\n    if am == 0 {\n        return true;\n    }\n    let yt = (hy - 1) / am + 1;\n    let mt = (hm - 1) / ay + 1;\n    yt > mt\n}\n\nfn solve() {\n    let (hy, ay, dy) = parse_line!(i64, i64, i64);\n    let (hm, am, dm) = parse_line!(i64, i64, i64);\n    let (h, a, d) = parse_line!(i64, i64, i64);\n    let mut ans = std::i64::MAX;\n    for aadd in 0..200 {\n        for dadd in 0..100 {\n            let ay = ay + aadd;\n            let dy = dy + dadd;\n            let mut l: i64 = -1;\n            let mut r: i64 = 10001;\n            while r - l > 1 {\n                let m = (l + r) / 2;\n                let hy = hy + m;\n                if resolve(hy, ay, dy, hm, am, dm) {\n                    r = m;\n                }else{\n                    l = m;\n                }\n            }\n            let cost = aadd * a + dadd * d + r * h;\n            ans = std::cmp::min(ans, cost);\n        }\n    }\n    println!(\"{}\", ans);\n}\n\nfn main() {\n    let tests = 1; // parse_line!(usize);\n    for _ in 0..tests {\n        solve();\n    }\n}\n", "lang": "Rust", "bug_code_uid": "7746c01c505955e79e002f0c6dfbb03a", "src_uid": "bf8a133154745e64a547de6f31ddc884", "apr_id": "ab5d9748dffd0facf525b55493727f84", "difficulty": 1800, "tags": ["brute force", "implementation", "binary search"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "replace", "lang_cluster": "Rust"}
{"similarity_score": 0.9826567562416619, "equal_cnt": 7, "replace_cnt": 3, "delete_cnt": 0, "insert_cnt": 3, "fix_ops_cnt": 6, "bug_source_code": "#[allow(unused_imports)]\nuse std::cmp::{max, min};\n#[allow(unused_imports)]\nuse std::collections::{HashMap, HashSet};\n\nmod util {\n    use std::io::stdin;\n    use std::str::FromStr;\n    use std::fmt::Debug;\n\n    #[allow(dead_code)]\n    pub fn line() -> String {\n        let mut line: String = String::new();\n        stdin().read_line(&mut line).unwrap();\n        line.trim().to_string()\n    }\n\n    #[allow(dead_code)]\n    pub fn get<T: FromStr>() -> T\n    where\n        <T as FromStr>::Err: Debug,\n    {\n        let mut line: String = String::new();\n        stdin().read_line(&mut line).unwrap();\n        line.trim().parse().unwrap()\n    }\n\n    #[allow(dead_code)]\n    pub fn gets<T: FromStr>() -> Vec<T>\n    where\n        <T as FromStr>::Err: Debug,\n    {\n        let mut line: String = String::new();\n        stdin().read_line(&mut line).unwrap();\n        line.split_whitespace()\n            .map(|t| t.parse().unwrap())\n            .collect()\n    }\n\n    #[allow(dead_code)]\n    pub fn get2<T: FromStr, U: FromStr>() -> (T, U)\n    where\n        <T as FromStr>::Err: Debug,\n        <U as FromStr>::Err: Debug,\n    {\n        let mut line: String = String::new();\n        stdin().read_line(&mut line).unwrap();\n        let mut iter = line.split_whitespace();\n        (\n            iter.next().unwrap().parse().unwrap(),\n            iter.next().unwrap().parse().unwrap(),\n        )\n    }\n\n    #[allow(dead_code)]\n    pub fn get3<S: FromStr, T: FromStr, U: FromStr>() -> (S, T, U)\n    where\n        <S as FromStr>::Err: Debug,\n        <T as FromStr>::Err: Debug,\n        <U as FromStr>::Err: Debug,\n    {\n        let mut line: String = String::new();\n        stdin().read_line(&mut line).unwrap();\n        let mut iter = line.split_whitespace();\n        (\n            iter.next().unwrap().parse().unwrap(),\n            iter.next().unwrap().parse().unwrap(),\n            iter.next().unwrap().parse().unwrap(),\n        )\n    }\n}\n\n\n#[allow(unused_macros)]\nmacro_rules! debug {\n    ($x: expr) => {\n        println!(\"{}: {:?}\", stringify!($x), $x)\n    }\n}\n\nfn main() {\n    let (_n, _m): (usize, usize) = util::get2();\n    let a: HashSet<usize> = util::gets().iter().cloned().collect();\n    let b: HashSet<usize> = util::gets().iter().cloned().collect();\n\n    for i in 1..99 {\n        if i < 10 {\n            if a.contains(&i) && b.contains(&i) {\n                println!(\"{}\", i);\n                return;\n            }\n        } else {\n            if a.contains(&(i / 10)) && b.contains(&(i % 10)) {\n                println!(\"{}\", i);\n                return;\n            }\n        }\n    }\n}\n", "lang": "Rust", "bug_code_uid": "b7ae35939d9ffb18163e4840cb948eb9", "src_uid": "3a0c1b6d710fd8f0b6daf420255d76ee", "apr_id": "a6a42e8132d12b6b5c8ce97c50f8692f", "difficulty": 900, "tags": ["implementation"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "replace", "lang_cluster": "Rust"}
{"similarity_score": 0.9832310838445808, "equal_cnt": 5, "replace_cnt": 0, "delete_cnt": 0, "insert_cnt": 4, "fix_ops_cnt": 4, "bug_source_code": "use std::io::{self, BufReader, Stdin};\nuse std::io::prelude::*;\nuse std::collections::BTreeSet;\nuse std::iter::Map;\nuse std::str::SplitWhitespace;\n\nfn main() {\n    let mut reader = ReadIn::new();\n\n    reader.read_line();\n    let a: BTreeSet<i32> = reader.read_iter().collect();\n    let b: BTreeSet<i32> = reader.read_iter().collect();\n    let c: BTreeSet<i32> = a.intersection(&b).map(|&x| x).collect();\n    let res = (if !c.is_empty() { c.iter().map(|&x| x).next() } else {\n        a.iter().next().and_then(\n            |ax| b.iter().next().map(\n                |bx| ax * 10 + bx))\n    }).unwrap();\n    print!(\"{}\", res);\n}\n\nstruct ReadIn { reader: BufReader<Stdin>, buf: String }\n\nimpl ReadIn {\n    fn new() -> ReadIn { ReadIn { reader: BufReader::new(io::stdin()), buf: String::new() } }\n    fn read_i32(s: &str) -> i32 { s.parse().unwrap() }\n    fn read_line(&mut self) {\n        self.buf.clear();\n        self.reader.read_line(&mut self.buf);\n    }\n    fn read_iter(&mut self) -> Map<SplitWhitespace, fn(&str) -> i32> {\n        self.read_line();\n        self.buf.split_whitespace().map(ReadIn::read_i32)\n    }\n    fn read_vec(&mut self) -> Vec<i32> {\n        self.read_iter().collect()\n    }\n}\n\n\n\n", "lang": "Rust", "bug_code_uid": "b03e2ee15dc3d353c6a92316bcd28855", "src_uid": "3a0c1b6d710fd8f0b6daf420255d76ee", "apr_id": "a3ab8132a8eb884a24cad5dd985dc3d7", "difficulty": 900, "tags": ["implementation"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "insert", "lang_cluster": "Rust"}
{"similarity_score": 0.9120385584401358, "equal_cnt": 21, "replace_cnt": 9, "delete_cnt": 0, "insert_cnt": 12, "fix_ops_cnt": 21, "bug_source_code": "use rand::prelude::*;\nuse std::boxed::Box;\nuse std::cmp::*;\nuse std::io;\n#[derive(Clone)]\nstruct Node<T: Ord + Clone> {\n    pub key: T,\n    pub weight: i64,\n    pub left: Option<Box<Node<T>>>,\n    pub right: Option<Box<Node<T>>>,\n}\n\nimpl<T: Ord + Clone> Node<T> {\n    fn new(value: T) -> Self {\n        Node {\n            key: value,\n            weight: rand::random::<i64>(),\n            left: None,\n            right: None,\n        }\n    }\n\n    pub fn split(\n        node: Option<Box<Node<T>>>,\n        key: &T,\n    ) -> (Option<Box<Node<T>>>, Option<Box<Node<T>>>) {\n        match node {\n            None => (None, None),\n            Some(mut node) => match node.key.cmp(key) {\n                Ordering::Less => {\n                    let (l, r) = Self::split(node.right, key);\n                    node.right = l;\n                    (Some(node), r)\n                }\n                _ => {\n                    let (l, r) = Self::split(node.left, key);\n                    node.left = r;\n                    (l, Some(node))\n                }\n            },\n        }\n    }\n\n    pub fn merge(left: Option<Box<Node<T>>>, right: Option<Box<Node<T>>>) -> Option<Box<Node<T>>> {\n        match (left, right) {\n            (None, None) => None,\n            (left, None) => left,\n            (None, right) => right,\n            (Some(mut left), Some(mut right)) => match left.weight.cmp(&right.weight) {\n                Ordering::Less => {\n                    left.right = Self::merge(left.right, Some(right));\n                    Some(left)\n                }\n                _ => {\n                    right.left = Self::merge(Some(left), right.left);\n                    Some(right)\n                }\n            },\n        }\n    }\n\n    fn find(node: &Option<Box<Node<T>>>, key: &T) -> bool {\n        match node {\n            None => false,\n            Some(node) => match node.key.cmp(key) {\n                Ordering::Less => Self::find(&node.right, key),\n                Ordering::Greater => Self::find(&node.left, key),\n                Ordering::Equal => true,\n            },\n        }\n    }\n\n    fn less(node: &Box<Node<T>>) -> T {\n        match node.left {\n            None => node.key.clone(),\n            Some(ref left) => Self::less(left),\n        }\n    }\n}\n\nstruct Treap<T: Ord + Clone> {\n    root: Option<Box<Node<T>>>,\n}\n\nimpl<T: Ord + Clone + std::fmt::Display> Treap<T> {\n    pub fn insert(&mut self, key: T) {\n        let (mut l, r) = Node::split(self.root.take(), &key);\n        l = Node::merge(l, Some(Box::new(Node::new(key))));\n        self.root = Node::merge(l, r);\n    }\n\n    pub fn delete(&mut self, key: &T) {\n        let (l, mut r) = Node::split(self.root.take(), key);\n        r = match r {\n            None => None,\n            Some(node) => {\n                if &node.key == key {\n                    Node::merge(node.left, node.right)\n                } else {\n                    Some(node)\n                }\n            }\n        };\n        self.root = Node::merge(l, r);\n    }\n\n    pub fn find(&self, key: &T) -> bool {\n        Node::find(&self.root, key)\n    }\n\n    pub fn less(&self) -> Option<T> {\n        match self.root {\n            Some(ref root) => Some(Node::less(root)),\n            _ => None,\n        }\n    }\n\n    pub fn new() -> Self {\n        Treap { root: None }\n    }\n}\n\nfn main() {\n    let mut buffer = String::new();\n    io::stdin().read_line(&mut buffer);\n    buffer = String::new();\n    io::stdin().read_line(&mut buffer);\n    buffer.retain(|s| s != '\\r' && s != '\\n');\n    let a: Vec<u64> = buffer\n        .split_whitespace()\n        .map(|n| n.parse::<u64>().unwrap())\n        .collect();\n\n    buffer = String::new();\n    io::stdin().read_line(&mut buffer);\n    buffer.retain(|s| s != '\\r' && s != '\\n');\n    let b: Vec<u64> = buffer\n        .split_whitespace()\n        .map(|n| n.parse::<u64>().unwrap())\n        .collect();\n\n    let mut t1 = Treap::new();\n    let mut t2 = Treap::new();\n    //println!(\"{:?} | {:?}\", &a, &b);\n    for n in a {\n        t1.insert(n);\n    }\n    for n in b {\n        t2.insert(n);\n    }\n    let (m1, m2) = (t1.less().unwrap(), t2.less().unwrap());\n\n    match m1.cmp(&m2) {\n        Ordering::Less => println!(\"{}{}\", m1, m2),\n        Ordering::Greater => println!(\"{}{}\", m2, m1),\n        Ordering::Equal => println!(\"{}\", m2),\n    }\n}\n", "lang": "Rust", "bug_code_uid": "620378786ad4b8075c1e37bdd6904e1c", "src_uid": "3a0c1b6d710fd8f0b6daf420255d76ee", "apr_id": "d44517a31a64452f686b89302bb195b8", "difficulty": 900, "tags": ["implementation"], "bug_exec_outcome": "COMPILATION_ERROR", "potential_dominant_fix_op": "insert", "lang_cluster": "Rust"}
{"similarity_score": 0.9970414201183432, "equal_cnt": 2, "replace_cnt": 1, "delete_cnt": 0, "insert_cnt": 0, "fix_ops_cnt": 1, "bug_source_code": "use std::io::stdin;\n\n// M => choose EVEN and choose FIRST\n// E => odd\n\nfn main() {\n    let mut buffer = String::new();\n    let _ = stdin().read_line(&mut buffer);\n\n    let number: u32 = buffer.trim().parse().expect(\"Error in parsing\");\n\n    if number % 2 == 0 {\n        println!(\"Mahmoud\");\n    } else {\n        println!(\"Ehad\");\n    }\n}\n", "lang": "Rust", "bug_code_uid": "21b21a60f94fd0a204993e8aed680eb8", "src_uid": "5e74750f44142624e6da41d4b35beb9a", "apr_id": "d9438fe9939c9b4207e8cb2a3766e816", "difficulty": 800, "tags": ["math", "games"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "replace", "lang_cluster": "Rust"}
{"similarity_score": 0.6062407132243685, "equal_cnt": 6, "replace_cnt": 4, "delete_cnt": 1, "insert_cnt": 1, "fix_ops_cnt": 6, "bug_source_code": "use std::io;\n\nfn get_line() -> io::Result<String> {\n\tlet mut buffer = String::new();\n\tio::stdin().read_line(&mut buffer)?;\n\tOk(buffer)\n}\n\nfn main() {\n\tlet employees;\n\t{\n\t\tlet input = get_line().unwrap();\n\t\temployees = input.trim().parse::<u32>().unwrap();\n\t}\n\n\tlet mut ways = 0;\n\tfor i in 1..employees {\n\t\tif (employees - i) % i == 0 {\n\t\t\tways += 1;\n\t\t}\n\t}\n\tprint!(\"{}\", ways);\n}\n", "lang": "Rust", "bug_code_uid": "96847af210b3395d91140eea2528d26a", "src_uid": "5e74750f44142624e6da41d4b35beb9a", "apr_id": "6efcc84248fdc1d489e54332ecc2042a", "difficulty": 800, "tags": ["math", "games"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "replace", "lang_cluster": "Rust"}
{"similarity_score": 0.9796839729119639, "equal_cnt": 3, "replace_cnt": 1, "delete_cnt": 0, "insert_cnt": 1, "fix_ops_cnt": 2, "bug_source_code": "use std::io;\n\nfn main() {\n\tlet mut n = String::new();\n\tio::stdin().read_line(&mut n).expect(\"Time to panic\");\n\tlet n: u64 = n.parse().unwrap();\n\tif n % 2 == 0 {\n\t\tprintln!(\"Ehab\");\n\t} else {\n\t\tprintln!(\"Mahmoud\")\n\t}\n}\n", "lang": "Rust", "bug_code_uid": "c9037d43c904a9c9a1408386d4d257ea", "src_uid": "5e74750f44142624e6da41d4b35beb9a", "apr_id": "a626a0fe84b84ebc2b7df13e3e4174e5", "difficulty": 800, "tags": ["math", "games"], "bug_exec_outcome": "RUNTIME_ERROR", "potential_dominant_fix_op": "replace", "lang_cluster": "Rust"}
{"similarity_score": 0.9955555555555555, "equal_cnt": 2, "replace_cnt": 1, "delete_cnt": 0, "insert_cnt": 0, "fix_ops_cnt": 1, "bug_source_code": "use std::io;\n\nfn main() {\n\tlet mut n = String::new();\n\tio::stdin().read_line(&mut n).expect(\"Time to panic\");\n\tlet n: u64 = n.trim().parse().unwrap();\n\tif n % 2 == 0 {\n\t\tprintln!(\"Ehab\");\n\t} else {\n\t\tprintln!(\"Mahmoud\")\n\t}\n}\n", "lang": "Rust", "bug_code_uid": "51fbcdbacd5d8ca29978336113220edf", "src_uid": "5e74750f44142624e6da41d4b35beb9a", "apr_id": "a626a0fe84b84ebc2b7df13e3e4174e5", "difficulty": 800, "tags": ["math", "games"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "replace", "lang_cluster": "Rust"}
{"similarity_score": 0.9864158829676071, "equal_cnt": 2, "replace_cnt": 0, "delete_cnt": 0, "insert_cnt": 1, "fix_ops_cnt": 1, "bug_source_code": "use std::io;\n\nfn main() {\n    let mut input = String::new();\n    match io::stdin().read_line(&mut input) {\n            Ok(_) => {\n                let number = input.trim().parse::<i32>().unwrap();\n                if number % 2 == 0 {\n                    println!(\"yes\");\n                }\n                else {\n                    println!(\"no\");\n                }\n                                    }\n                Err(error) => println!(\"error: {}\", error),\n    }\n}\n", "lang": "Rust", "bug_code_uid": "292444154f5e0c526655f22f356c0502", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "be5980296e9f5024f946580d1b98812b", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "insert", "lang_cluster": "Rust"}
{"similarity_score": 0.9779286926994907, "equal_cnt": 2, "replace_cnt": 0, "delete_cnt": 0, "insert_cnt": 1, "fix_ops_cnt": 1, "bug_source_code": "use std::io::stdin;\n\nfn main() {\n    let mut buffer = String::new();\n    stdin().read_line(&mut buffer).expect(\"Cannot read line\");\n    let i = buffer.trim().parse::<u32>().expect(\"Cannot parse\");\n\n    if i % 2 == 0 {\n        println!(\"YES\");\n    } else {\n        println!(\"NO\");\n    }\n}\n", "lang": "Rust", "bug_code_uid": "6572bed77ea6e94d44c0661d5c142d99", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "69dda4a9ff17e6f1888e4d713a57f385", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "insert", "lang_cluster": "Rust"}
{"similarity_score": 0.9966777408637874, "equal_cnt": 2, "replace_cnt": 1, "delete_cnt": 0, "insert_cnt": 0, "fix_ops_cnt": 1, "bug_source_code": "use std::io::stdin;\n\nfn main() {\n    let mut buffer = String::new();\n    stdin().read_line(&mut buffer).expect(\"Cannot read line\");\n    let i = buffer.trim().parse::<u32>().expect(\"Cannot parse\");\n\n    if i % 2 == 0 && n / 2 > 1 {\n        println!(\"YES\");\n    } else {\n        println!(\"NO\");\n    }\n}\n", "lang": "Rust", "bug_code_uid": "4bbc3c900ed2181a37f75c7ab3ec079a", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "69dda4a9ff17e6f1888e4d713a57f385", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "COMPILATION_ERROR", "potential_dominant_fix_op": "replace", "lang_cluster": "Rust"}
{"similarity_score": 0.9925650557620818, "equal_cnt": 2, "replace_cnt": 1, "delete_cnt": 0, "insert_cnt": 0, "fix_ops_cnt": 1, "bug_source_code": "use std::io;\n\nfn main() {\n    let mut input = String::new();\n    io::stdin().read_line(&mut input).unwrap();\n    let times = input.trim().parse::<i32>().unwrap();\n    if times < 4 && times % 2 == 1 {\n        println!(\"NO\");\n    } else {\n        println!(\"YES\");\n    }\n}", "lang": "Rust", "bug_code_uid": "8e86502b5b0f333659c3e654e9657a41", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "a9d205dea0d2c39c23d35d1a3026a30b", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "replace", "lang_cluster": "Rust"}
{"similarity_score": 0.9802371541501976, "equal_cnt": 2, "replace_cnt": 0, "delete_cnt": 1, "insert_cnt": 1, "fix_ops_cnt": 2, "bug_source_code": "fn main() {\n    let mut buffer = String::new();\n    std::io::stdin().read_line(&mut buffer).expect(\"Failed\");\n    let x = buffer.trim().parse::<i64>().unwrap();\n    if x % 2 == 0 {\n        println!(\"YES\")\n    } else {\n        println!(\"NO\")\n    }\n}\n", "lang": "Rust", "bug_code_uid": "a73b696985d5489f1f870fb0c99ab4b9", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "d8dd37e97624598608aa061ad0fd4c97", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "delete", "lang_cluster": "Rust"}
{"similarity_score": 0.8374558303886925, "equal_cnt": 16, "replace_cnt": 2, "delete_cnt": 12, "insert_cnt": 1, "fix_ops_cnt": 15, "bug_source_code": "use std::io::{self};\n\nfn main() -> io::Result<()> {\n    while true{\n        let mut user_input = String::new();\n        io::stdin().read_line(&mut user_input)?;\n        let weight: u32 = user_input.trim_end().parse::<u32>().unwrap();\n\n        let mut found: bool = false;\n        for first_half in (2..weight).step_by(2) {\n            let second_half = weight - first_half;\n            if second_half % 2 == 0 {\n                found = true;\n                break;\n            }\n        }\n\n        if found {\n            println!(\"YES\")\n        }else{\n            println!(\"NO\")\n        }\n    }\n\n    Ok(())\n}\n", "lang": "Rust", "bug_code_uid": "65603f8dedabd75cde25509dfc486cfd", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "86e2283e0802d4862fcb86c2300590b0", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "RUNTIME_ERROR", "potential_dominant_fix_op": "delete", "lang_cluster": "Rust"}
{"similarity_score": 0.6102941176470589, "equal_cnt": 10, "replace_cnt": 3, "delete_cnt": 5, "insert_cnt": 1, "fix_ops_cnt": 9, "bug_source_code": "use std::collections::HashSet;\n\nfn main() {\n    let mut num = String::new();\n    std::io::stdin().read_line(&mut num);\n    let n:i32 = num.trim().parse().unwrap();\n\n    let v = vec![2,3,5,7,11,13,17,19,23,29,31,37,41,43,47,53,59,61,67,71,73,79,83,89, 97];\n    let primes:HashSet<_> = v.iter().collect();\n\n    for i in v.iter() {\n        if *i >= n {\n            println!(\"NO\");\n            break;\n        }\n        if primes.contains(&(n - *i)) {\n            println!(\"YES\");\n            break\n        }\n    }\n }\n", "lang": "Rust", "bug_code_uid": "2c1fd7bd58ab14c6eaad8a2a9ca60e1d", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "396ed44ac115c81d777aa36839642f60", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "delete", "lang_cluster": "Rust"}
{"similarity_score": 0.9841269841269841, "equal_cnt": 2, "replace_cnt": 0, "delete_cnt": 0, "insert_cnt": 1, "fix_ops_cnt": 1, "bug_source_code": "use std::io::{self, BufRead};\n\nfn main() {\n    let stdin = io::stdin();\n    let mut lines = stdin.lock().lines();\n    let n: u32 = lines.next().unwrap().unwrap().trim().parse().unwrap();\n\n    if n % 2 == 0 {\n        println!(\"YES\");\n    } else {\n        println!(\"NO\");\n    }\n\n}\n", "lang": "Rust", "bug_code_uid": "84103adfea17f7553e3349c88bd91d5b", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "bfe3ded7a14fcf455377639abe7f4191", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "insert", "lang_cluster": "Rust"}
{"similarity_score": 0.9954011241696474, "equal_cnt": 2, "replace_cnt": 0, "delete_cnt": 0, "insert_cnt": 1, "fix_ops_cnt": 1, "bug_source_code": "//use std::str::FromStr;\n\n\n#[cfg(test)]\nmod tests {\n    use crate::quest;\n\n    #[test]\n    fn test1() {\n            assert_eq!(quest(2,2,1,1),2)\n    }\n    #[test]\n    fn test2() {\n        assert_eq!(quest(4,4,2,1),3)\n    }\n    #[test]\n    fn test3() {\n        assert_eq!(quest(6,10,4,2),6)\n    }\n\n}\n/*\n#[inline]\npub fn input_in_four_var<T: FromStr>() -> (T, T, T, T)\nwhere T: Copy,\n{\n    let mut line = String::new();\n    std::io::stdin().read_line(&mut line).unwrap();\n    let numbers: Vec<T> = line.split_whitespace().filter_map(\n        |s| s.parse().ok()\n    )\n        .collect();\n    (*numbers.get(0).unwrap(),*numbers.get(1).unwrap(),*numbers.get(2).unwrap(),*numbers.get(3).unwrap() )\n\n}\n*/\n\n\n\n\nfn main()  {\n    let mut line = String::new();\n    std::io::stdin().read_line(&mut line).unwrap();\n    let v: i32 =match line.trim().parse() {\n        Ok(t) => t,\n        Err(_e) => panic!()\n    };\n    if v%2 ==0{\n        return println!(\"YES\")\n    }\n    println!(\"NO\")\n\n}", "lang": "Rust", "bug_code_uid": "af965221ba155289272996e9bd98552f", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "5e0af2849117a75f5e2dffa3db41a896", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "insert", "lang_cluster": "Rust"}
{"similarity_score": 0.9941520467836257, "equal_cnt": 2, "replace_cnt": 1, "delete_cnt": 0, "insert_cnt": 0, "fix_ops_cnt": 1, "bug_source_code": "use std::io;\n\nfn main() {\n\n    let mut x = String::new();\n\n    io::stdin().read_line(&mut x).expect(\"error\");\n\n    let x: i32 = x.trim().parse().expect(\"error\");\n\n    if x <= 1 && x <= 100 {\n        let res = x % 2;\n\n        if res == 0 && x != 2 {\n            println!(\"YES\");\n        } else {\n            println!(\"NO\");\n        }\n    }\n\n}\n", "lang": "Rust", "bug_code_uid": "b6c5f41916697abc2882ddfbc6d189d6", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "e290281050f53f37ca5350d595b41b79", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "replace", "lang_cluster": "Rust"}
{"similarity_score": 0.86697965571205, "equal_cnt": 9, "replace_cnt": 6, "delete_cnt": 2, "insert_cnt": 1, "fix_ops_cnt": 9, "bug_source_code": "use std::io;\n\nfn main() {\n\n    let mut x = String::new();\n\n    io::stdin().read_line(&mut x).expect(\"error\");\n\n    let x: u8 = x.trim().parse().expect(\"error\");\n\n    if (res >= 1 | res <= 100) {\n        let res = x % 2;\n\n        if (res == 0) {\n            println!(\"YES\");\n        }    \n    }\n\n}\n", "lang": "Rust", "bug_code_uid": "27dfc86aa76278407b71b427a0795f97", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "e290281050f53f37ca5350d595b41b79", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "COMPILATION_ERROR", "potential_dominant_fix_op": "replace", "lang_cluster": "Rust"}
{"similarity_score": 0.8780487804878049, "equal_cnt": 6, "replace_cnt": 3, "delete_cnt": 1, "insert_cnt": 1, "fix_ops_cnt": 5, "bug_source_code": "use std::io;\n\nfn main() {\n  let mut weight = String::new();\n  io::stdin().read_line(&mut weight).unwrap();\n  let weight: u32 = weight.trim().parse().unwrap();\n  match weight % 2 {\n    0 => println!(\"YES\"),\n    _ => println!(\"NO\"),\n  }\n}\n", "lang": "Rust", "bug_code_uid": "d5ed9a77430c42219cfcc5fa7b33f665", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "4e731511df63d6f2e3a00e387ae889c7", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "replace", "lang_cluster": "Rust"}
{"similarity_score": 0.9759229534510433, "equal_cnt": 2, "replace_cnt": 0, "delete_cnt": 0, "insert_cnt": 1, "fix_ops_cnt": 1, "bug_source_code": "\n\nfn main() {\n\n    let mut input = String::new();\n    let stdin = std::io::stdin();\n    stdin.read_line(&mut input).expect(\"Failed to read line!\");\n    \n    let weight = input.trim().parse::<u32>().unwrap();\n    if weight % 2 == 0 {\n        println!(\"YES\");\n    } else {\n        println!(\"NO\");\n    }\n}\n\n", "lang": "Rust", "bug_code_uid": "f00ab0de5bf29ac0bf53c6201cec82d9", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "6fec444a3a253fe45bab50cbd0a31b10", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "insert", "lang_cluster": "Rust"}
{"similarity_score": 0.9571788413098237, "equal_cnt": 3, "replace_cnt": 0, "delete_cnt": 0, "insert_cnt": 2, "fix_ops_cnt": 2, "bug_source_code": "use std::io;\n\nfn main() {\n    let mut s = String::new();\n\n    io::stdin().read_line(&mut s);\n    let s: u8 = s.parse().unwrap();\n    println!(\"{}\", if s % 2 == 0 { \"YES\" } else { \"NO\" });\n}\n", "lang": "Rust", "bug_code_uid": "84c621c6c3258b8b93cbff743da1020c", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "d0b3096ab96d608bc3076ca8ccb8b9ce", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "RUNTIME_ERROR", "potential_dominant_fix_op": "insert", "lang_cluster": "Rust"}
{"similarity_score": 0.9752475247524752, "equal_cnt": 2, "replace_cnt": 0, "delete_cnt": 0, "insert_cnt": 1, "fix_ops_cnt": 1, "bug_source_code": "use std::io;\n\nfn main() {\n    let mut s = String::new();\n\n    io::stdin().read_line(&mut s);\n    let s: u8 = s.trim().parse().unwrap();\n    println!(\"{}\", if s % 2 == 0 { \"YES\" } else { \"NO\" });\n}\n", "lang": "Rust", "bug_code_uid": "eeaafb200aeb520fd5feb40ce65b0d07", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "d0b3096ab96d608bc3076ca8ccb8b9ce", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "insert", "lang_cluster": "Rust"}
{"similarity_score": 0.907103825136612, "equal_cnt": 5, "replace_cnt": 1, "delete_cnt": 2, "insert_cnt": 1, "fix_ops_cnt": 4, "bug_source_code": "use std::io;\n\nfn main() {\n    let mut guess = String::new();\n\n    io::stdin().read_line(&mut guess)\n        .expect(\"\u041d\u0435 \u0443\u0434\u0430\u043b\u043e\u0441\u044c \u043f\u0440\u043e\u0447\u0438\u0442\u0430\u0442\u044c \u0441\u0442\u0440\u043e\u043a\u0443\");\n    //\n\n\n    let part: i32 = guess.trim().parse()\n        .expect(\"\u041f\u043e\u0436\u0430\u043b\u0443\u0439\u0441\u0442\u0430, \u0432\u0432\u0435\u0434\u0438\u0442\u0435 \u0447\u0438\u0441\u043b\u043e!\");\n\n    if part % 2 == 0 {\n        println!(\"YES\");\n    }\n    else{\n        println!(\"No\");\n    }\n\n}\n", "lang": "Rust", "bug_code_uid": "01e9c11ceecbbe8970d2cc60dcce287b", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "931b520f621e2a4a39d70a05ae88e7c3", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "delete", "lang_cluster": "Rust"}
{"similarity_score": 0.946927374301676, "equal_cnt": 3, "replace_cnt": 0, "delete_cnt": 0, "insert_cnt": 2, "fix_ops_cnt": 2, "bug_source_code": "macro_rules! read_line {\n    ($v:ident) => {\n        let mut temp = String::new();\n        std::io::stdin().read_line(&mut temp).unwrap();\n        let $v = temp;\n    };\n    (var, $t:ty, $($v:ident), *) => {\n        read_line!(input_line);\n        let mut iter = parse_token!($t, input_line);\n        $(\n            let $v = iter.next().unwrap();\n        )*\n    };\n    (vec, $t:ty, $v:ident) => {\n        read_line!(input_line);\n        let iter = parse_token!($t, input_line);\n        let $v: Vec<$t> = iter.collect();\n    };\n    ($($v:ident; $t:ty), *) => {\n        read_line!(input_line);\n        let mut iter = input_line.split_whitespace();\n        $(\n            let $v: $t = iter.next().unwrap().parse().unwrap();\n        )*\n    };\n}\n\nmacro_rules! parse_token {\n    ($t:ty, $e:expr) => {\n        $e.split_whitespace().map(|x| x.parse::<$t>().unwrap());\n    };\n}\n\nfn main() {\n    read_line!(w;u64);\n    match w % 2 {\n        0 => println!(\"YES\"),\n        1 => println!(\"NO\"),\n        _ => unreachable!()\n    };\n}", "lang": "Rust", "bug_code_uid": "fb00d1a194d6b1aa2faf97a1bd423d13", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "6503c7cb53bed593e17f42f73ffaf807", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "insert", "lang_cluster": "Rust"}
{"similarity_score": 0.5793226381461676, "equal_cnt": 10, "replace_cnt": 5, "delete_cnt": 0, "insert_cnt": 5, "fix_ops_cnt": 10, "bug_source_code": "fn main() {\n    let mut input = String::new();\n    std::io::stdin()\n        .read_line(&mut input)\n        .ok()\n        .expect(\"Couldn't read line\");\n    // let weigh: int = input.trim().to_string();\n    let weigh: i32 = input.trim().to_string().parse::<i32>().unwrap();\n\n    if weigh % 2 == 0 {\n        println!(\"YES\");\n    } else {\n        println!(\"NO\");\n    }\n}\n", "lang": "Rust", "bug_code_uid": "a67a6bcecd223bf57e226a03940c67bb", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "54e9e69de4eb6ad11281ff58ac25b0f0", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "replace", "lang_cluster": "Rust"}
{"similarity_score": 0.9607476635514018, "equal_cnt": 2, "replace_cnt": 0, "delete_cnt": 1, "insert_cnt": 0, "fix_ops_cnt": 1, "bug_source_code": "use std::io;\n\nfn main() {\n    let mut input = String::new();\n    io::stdin().read_line(&mut input).unwrap();\n    let w: i32 = input.trim().parse().unwrap();\n\n    if w > 3 && w % 2 == 0 && (w >> 1) % 2 == 0 {\n        println!(\"YES\");\n    } else {\n        println!(\"NO\");\n    }\n}\n", "lang": "Rust", "bug_code_uid": "ca62f3956e3f53a0bd5457accac509aa", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "761030322326e623c1b5e6c2bd10755a", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "delete", "lang_cluster": "Rust"}
{"similarity_score": 0.22269353128313893, "equal_cnt": 11, "replace_cnt": 3, "delete_cnt": 3, "insert_cnt": 5, "fix_ops_cnt": 11, "bug_source_code": "use std::env;\n\nfn main() {\n    let weight = env::args().skip(1).map(|string| string.parse::<usize>().unwrap()).collect::<Vec<usize>>()[0];\n\n    if weight % 2 == 0 {\n        println!(\"YES\")\n    } else {\n        println!(\"NO\")\n    }\n}\n", "lang": "Rust", "bug_code_uid": "73e45bce25e67d14059a2d162ce19334", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "d0a184a6dd1a49488c02ebdd6141292c", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "RUNTIME_ERROR", "potential_dominant_fix_op": "insert", "lang_cluster": "Rust"}
{"similarity_score": 0.9252669039145908, "equal_cnt": 5, "replace_cnt": 1, "delete_cnt": 2, "insert_cnt": 2, "fix_ops_cnt": 5, "bug_source_code": "use std::io::stdin;\n#[derive(Default)]\nstruct Scanner {\n    buffer: Vec<String>\n}\nimpl Scanner {\n    fn next<T: std::str::FromStr>(&mut self) -> T {\n        loop {\n            if let Some(token) = self.buffer.pop() {\n                return token.parse().ok().expect(\"Failed parse\");\n            }\n            let mut input = String::new();\n            stdin().read_line(&mut input).expect(\"Failed read\");\n            self.buffer = input.split_whitespace().rev().map(String::from).collect();\n        }\n    }\n}\n\nfn main() {\n    let mut scan = Scanner::default();\n\n    let weight = scan.next::<usize>();\n\n    if weight % 2 == 0 {\n        print!(\"YES\")\n    } else {\n        print!(\"NO\")\n    }\n    \n}", "lang": "Rust", "bug_code_uid": "2f7b12ab89ce48b667c156cec9d6bc8e", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "d0a184a6dd1a49488c02ebdd6141292c", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "delete", "lang_cluster": "Rust"}
{"similarity_score": 0.9793388429752066, "equal_cnt": 2, "replace_cnt": 0, "delete_cnt": 0, "insert_cnt": 1, "fix_ops_cnt": 1, "bug_source_code": "use std::io;\n\nfn main() {\n    let mut s = String::new();\n    io::stdin().read_line(&mut s).unwrap();\n\n    let s: i32 = s.trim().parse().unwrap();\n\n    if s % 2 == 0 {\n        println!(\"YES\");\n    } else {\n        println!(\"NO\");\n    }\n}\n", "lang": "Rust", "bug_code_uid": "a13d51c62c641a63bb96568f0b743eb8", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "a5d4da2913de2820529307aba345503c", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "insert", "lang_cluster": "Rust"}
{"similarity_score": 0.8952702702702703, "equal_cnt": 2, "replace_cnt": 0, "delete_cnt": 0, "insert_cnt": 1, "fix_ops_cnt": 1, "bug_source_code": "use std::io;\n\nfn main() {\n    let mut inp = String::new();\n    io::stdin().read_line(&mut inp).expect(\"Problem.\");\n    let w: u16 = inp.trim().parse().expect(\"A number please.\");\n    match w % 2 {\n        0 => println!(\"YES\"),\n        _ => println!(\"NO\"),\n    };\n}\n", "lang": "Rust", "bug_code_uid": "36b19849b41be47a5c985941259ffe30", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "9679dc1f4e18269ae35c198b89793c23", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "insert", "lang_cluster": "Rust"}
{"similarity_score": 0.9760956175298805, "equal_cnt": 2, "replace_cnt": 0, "delete_cnt": 0, "insert_cnt": 1, "fix_ops_cnt": 1, "bug_source_code": "use std::io;\nfn main(){\n    let mut input = String::new();\n    io::stdin().read_line(&mut input).unwrap();\n    let num: u32 = input.trim().parse().unwrap();\n    if num % 2 == 0{\n        println!(\"YES\");\n    }else{\n        println!(\"NO\");\n    }\n}", "lang": "Rust", "bug_code_uid": "cf520ff8b77d47ffb2561678bc617a14", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "083cfcbc8638754f82b22fc62c8c3aa8", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "insert", "lang_cluster": "Rust"}
{"similarity_score": 0.978494623655914, "equal_cnt": 2, "replace_cnt": 0, "delete_cnt": 0, "insert_cnt": 1, "fix_ops_cnt": 1, "bug_source_code": "fn main() {\n    let mut input = String::from(\"\");\n    std::io::stdin().read_line(&mut input).expect(\"Failed readline!\");\n    let mut input = input.trim().parse::<i32>().unwrap();\n\n    if input % 2 == 0 {\n        println!(\"YES\");\n    } else {\n        println!(\"NO\");\n    }\n}", "lang": "Rust", "bug_code_uid": "199e2f3c4224f64a6c27e6e76c7a19e5", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "b03a428f168b20a45d78c4d512a9c2df", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "insert", "lang_cluster": "Rust"}
{"similarity_score": 0.8503937007874016, "equal_cnt": 3, "replace_cnt": 1, "delete_cnt": 0, "insert_cnt": 2, "fix_ops_cnt": 3, "bug_source_code": "fn main() {\n  let mut s = String::new();\n  std::io::stdin().read_line(&mut s).unwrap();\n  let n: i32 = s.split_whitespace().next().unwrap().parse().unwrap();\n\n  if n % 4 == 0 {\n    println!(\"YES\");\n  } else {\n    println!(\"NO\");\n  }\n}\n\n/* vim: set ts=2 sts=2 sw=2 et: */\n", "lang": "Rust", "bug_code_uid": "f434fad4adfcd11cbc25e8342207a5ef", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "9e65b995462706a678e9d0f711e265cc", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "insert", "lang_cluster": "Rust"}
{"similarity_score": 0.9985443959243085, "equal_cnt": 1, "replace_cnt": 0, "delete_cnt": 0, "insert_cnt": 1, "fix_ops_cnt": 1, "bug_source_code": "fn main()\n{\n    let mut input = String::new();\n    std::io::stdin()\n        .read_line(&mut input)\n        .expect(\"Bleh.\");\n    input = input.trim().to_string();\n    let number : i32 = input.parse().unwrap();\n    \n    if (number % 2 == 0) && (number != 2)\n    {\n        println!(\"YES\\n\");\n    }\n    else\n    {\n        println!(\"NO\\n\");\n    }\n", "lang": "Rust", "bug_code_uid": "481c9618e3401cfc305bbd9927e9c9f8", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "d13412cc7a76abb0f1cb811a1e29fa2a", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "COMPILATION_ERROR", "potential_dominant_fix_op": "insert", "lang_cluster": "Rust"}
{"similarity_score": 0.9357798165137615, "equal_cnt": 2, "replace_cnt": 0, "delete_cnt": 1, "insert_cnt": 1, "fix_ops_cnt": 2, "bug_source_code": "fn main()\n{\n    let mut input = String::new();\n    std::io::stdin()\n        .read_line(&mut input)\n        .expect(\"Bleh.\");\n    let number : i32 = input.parse().unwrap();\n    \n    if (number % 2 == 0) && (number != 2)\n    {\n        println!(\"YES\\n\");\n    }\n    else\n    {\n        println!(\"NO\\n\");\n    }\n}    ", "lang": "Rust", "bug_code_uid": "a02430098fee7e48633a3b6fdd6c1716", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "d13412cc7a76abb0f1cb811a1e29fa2a", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "RUNTIME_ERROR", "potential_dominant_fix_op": "delete", "lang_cluster": "Rust"}
{"similarity_score": 0.9770833333333333, "equal_cnt": 2, "replace_cnt": 0, "delete_cnt": 0, "insert_cnt": 2, "fix_ops_cnt": 2, "bug_source_code": "fn main () {\n        // read\n        let mut s = String::new();\n        io::stdin().read_line(&mut s);\n\n        let int_vec: Vec<u32> =s.trim()\n                .split(\" \")\n                .map(|x|{\n                        x.parse::<u32>().expect(\"not an integer\")\n                        })\n                .collect();\n\n        let mut a :u32 = int_vec[0];\n\n        if a%2==0{\n                println!(\"YES\");\n        }else{\n                println!(\"NO\");\n        }\n\n}", "lang": "Rust", "bug_code_uid": "d79a357255909c13beda5e35232755fb", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "8d4241f7a34d83ae22b457fca4ed3224", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "COMPILATION_ERROR", "potential_dominant_fix_op": "insert", "lang_cluster": "Rust"}
{"similarity_score": 0.9969418960244648, "equal_cnt": 3, "replace_cnt": 1, "delete_cnt": 0, "insert_cnt": 1, "fix_ops_cnt": 2, "bug_source_code": "use std::io;\nfn main () {\n        // read\n        let mut s = String::new();\n        io::stdin().read_line(&mut s);\n\n        let int_vec: Vec<u32> =s.trim()\n                .split(\" \")\n                .map(|x|{\n                        x.parse::<u32>().expect(\"not an integer\")\n                        })\n                .collect();\n\n        let mut a :u32 = int_vec[0];\n\n        if a%2==0 && a!=0{\n                println!(\"YES\");\n        }else{\n                println!(\"NO\");\n        }\n\n}", "lang": "Rust", "bug_code_uid": "b3662ce020c86bbf09ac458a34a51bbf", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "8d4241f7a34d83ae22b457fca4ed3224", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "replace", "lang_cluster": "Rust"}
{"similarity_score": 0.314878892733564, "equal_cnt": 5, "replace_cnt": 3, "delete_cnt": 3, "insert_cnt": 0, "fix_ops_cnt": 6, "bug_source_code": "#![feature(asm)]\nfn main() {\n    let n: i32 = std::io::stdin()\n    .lock()\n    .lines()\n    .next()\n    .expect(\"stdin should be available\")\n    .expect(\"couldn't read from stdin\")\n    .trim()\n    .parse()\n    .expect(\"input was not an integer\");\n    println!(if (n > 2 && n % 2 == 0) {\n        \"YES\"\n    } else {\n        \"NO\"\n    });\n}\n", "lang": "Rust", "bug_code_uid": "968e6b45c813ce529a36945d55b66f0d", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "53499a6de1ad5d0dc3e551e9781aa278", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "COMPILATION_ERROR", "potential_dominant_fix_op": "replace", "lang_cluster": "Rust"}
{"similarity_score": 0.9038461538461539, "equal_cnt": 2, "replace_cnt": 1, "delete_cnt": 0, "insert_cnt": 1, "fix_ops_cnt": 2, "bug_source_code": "use std::io;\nfn int_input() -> i32{\n    let mut input = String::new();\n    io::stdin().read_line(&mut input).unwrap();\n    let n: i32 = input.trim().parse().unwrap();\n    n\n}\nfn main(){\n    let n=int_input();\n    if n%2==0{\n        println!(\"YES\");\n    }else{\n        println!(\"NO\");\n    }\n}", "lang": "Rust", "bug_code_uid": "51d891613063bf42beb5a8d2d85699a9", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "02f26bcd0ac0b50559b3cfc4169ecc49", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "replace", "lang_cluster": "Rust"}
{"similarity_score": 0.9841897233201581, "equal_cnt": 2, "replace_cnt": 0, "delete_cnt": 0, "insert_cnt": 1, "fix_ops_cnt": 1, "bug_source_code": "use std::io::{self, prelude::*, Write};\nuse std::str;\nuse std::string::String;\nuse std::vec::Vec;\n\nuse std::cmp;\n\n#[allow(unused_must_use)]\nfn run<B: BufRead, W: Write>(mut reader: Scanner<B>, mut writer: W) {\n    let total_number_of_trips: i32 = reader.next();\n    let number_of_trips_with_special_ticket: i32 = reader.next();\n    let one_trip_price: i32 = reader.next();\n    let special_ticket_price: i32 = reader.next();\n\n    let number_of_special_tickets_bought: i32 = total_number_of_trips / number_of_trips_with_special_ticket;\n    let mut total_cost: i32 = number_of_special_tickets_bought * special_ticket_price;\n    let remaining_trips_needed: i32 = total_number_of_trips % number_of_trips_with_special_ticket;\n    if remaining_trips_needed > 0 {\n        total_cost += cmp::min(remaining_trips_needed * one_trip_price, special_ticket_price);\n    }\n\n    writeln!(writer, \"{}\", total_cost);\n}\n\nfn main() {\n    let stdin = io::stdin();\n    let stdout = io::stdout();\n\n    let reader = Scanner::new(stdin.lock());\n    let writer = io::BufWriter::new(stdout.lock());\n    run(reader, writer);\n    io::stdout().flush().unwrap();\n}\n\npub struct Scanner<B> {\n    reader: B,\n    buffer_string: Vec<u8>,\n    buffer_iterator: str::SplitWhitespace<'static>,\n}\n\nimpl <B: BufRead> Scanner<B> {\n    pub fn new(reader: B) -> Self {\n        return Self {\n            reader,\n            buffer_string: Vec::new(),\n            buffer_iterator: \"\".split_whitespace()\n        };\n    }\n\n    pub fn next<T: str::FromStr>(&mut self) -> T {\n        loop {\n            //if buffer already exists, just use existing buffer\n            if let Some(token) = self.buffer_iterator.next() {\n                return token.parse().ok().expect(\"Fail to parse token\");\n            }\n\n            //get new line\n            self.buffer_string.clear();\n            self.reader.read_until(b'\\n', &mut self.buffer_string).expect(\"Failed to read\");\n\n            //split by white space\n            self.buffer_iterator = unsafe {\n                let slice = str::from_utf8_unchecked(&self.buffer_string);\n                std::mem::transmute(slice.split_whitespace())\n            };\n        }\n    }\n\n    pub fn next_line(&mut self) -> String {\n        //reset buffer\n        self.buffer_iterator = \"\".split_whitespace();\n        self.buffer_string.clear();\n\n        let mut input: String = String::new();\n        self.reader.read_line(&mut input).expect(\"Failed to read line\");\n        return input.trim().to_string();\n    }\n}", "lang": "Rust", "bug_code_uid": "387a52de6112370906f02ac871032c6b", "src_uid": "faa343ad6028c5a069857a38fa19bb24", "apr_id": "18574e2b7d18e0d9c2704328d7bd0eec", "difficulty": 1200, "tags": ["implementation"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "insert", "lang_cluster": "Rust"}
{"similarity_score": 0.9968387776606955, "equal_cnt": 2, "replace_cnt": 1, "delete_cnt": 0, "insert_cnt": 0, "fix_ops_cnt": 1, "bug_source_code": "fn input_split() -> Vec<u8> {\n    let mut buf = String::new();\n    std::io::stdin().read_line(&mut buf).unwrap();\n    buf.trim()\n        .split_whitespace()\n        .map(|elem| elem.parse().unwrap())\n        .collect()\n}\n\nfn main() {\n    let (n, m, a, b) = {\n        let temp = input_split();\n        (temp[0], temp[1], temp[2], temp[3])\n    };\n\n    if m * a > b {\n        println!(\"{}\", (n / m) * b + b.min((n % m) * a));\n    } else {\n        println!(\"{}\", n * a);\n    }\n}", "lang": "Rust", "bug_code_uid": "b3fd366c40b0bf1db313a7d90c3b98c9", "src_uid": "faa343ad6028c5a069857a38fa19bb24", "apr_id": "e3dab9a90369522cdab7c504a0f568e6", "difficulty": 1200, "tags": ["implementation"], "bug_exec_outcome": "RUNTIME_ERROR", "potential_dominant_fix_op": "replace", "lang_cluster": "Rust"}
{"similarity_score": 0.9957894736842106, "equal_cnt": 2, "replace_cnt": 1, "delete_cnt": 0, "insert_cnt": 0, "fix_ops_cnt": 1, "bug_source_code": "fn input_split() -> Vec<u16> {\n    let mut buf = String::new();\n    std::io::stdin().read_line(&mut buf).unwrap();\n    buf.trim()\n        .split_whitespace()\n        .map(|elem| elem.parse().unwrap())\n        .collect()\n}\n\nfn main() {\n    let (n, m, a, b) = {\n        let temp = input_split();\n        (temp[0], temp[1], temp[2], temp[3])\n    };\n\n    if m * a > b {\n        println!(\"{}\", (n / m) * b + b.min((n % m) * a));\n    } else {\n        println!(\"{}\", n * a);\n    }\n}", "lang": "Rust", "bug_code_uid": "2ff1fd2cd0a1e70bb9292e8315897fb2", "src_uid": "faa343ad6028c5a069857a38fa19bb24", "apr_id": "e3dab9a90369522cdab7c504a0f568e6", "difficulty": 1200, "tags": ["implementation"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "replace", "lang_cluster": "Rust"}
{"similarity_score": 0.8409321175278622, "equal_cnt": 2, "replace_cnt": 1, "delete_cnt": 0, "insert_cnt": 1, "fix_ops_cnt": 2, "bug_source_code": "// 2018-10-12 09:00\nfn main() {\n    let v: Vec<i32> = {\n        let mut line = String::new();\n        std::io::stdin().read_line(&mut line).unwrap();\n        line.trim().split(\" \").map(|s| s.parse::<i32>().unwrap()).collect()\n    };\n    let (n, m, a, b) = (v[0], v[1], v[2], v[3]);\n\n    if b / m >= a {\n        println!(\"{:?}\", a * n);\n    } else {\n        println!(\"{:?}\", (n as f32 / m as f32).ceil() as i32 * b);\n    }\n}\n", "lang": "Rust", "bug_code_uid": "a5af6c5a7875646776e26a678297c96a", "src_uid": "faa343ad6028c5a069857a38fa19bb24", "apr_id": "49d2671532dcc1595f1b940eadd5289a", "difficulty": 1200, "tags": ["implementation"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "replace", "lang_cluster": "Rust"}
{"similarity_score": 0.904162633107454, "equal_cnt": 2, "replace_cnt": 1, "delete_cnt": 0, "insert_cnt": 1, "fix_ops_cnt": 2, "bug_source_code": "use std::io;\nuse std::cmp::min;\n\nfn main() {\n  let stdin = io::stdin();\n  let mut s = String::new();\n  stdin.read_line(&mut s).unwrap();\n\n  let x: Vec<i32> = s.trim()\n    .split_whitespace()\n    .map(|x| x.parse().unwrap())\n    .collect();\n\n  let n = x[0];\n  let m = x[1];\n  let a = x[2];\n  let b = x[3];\n\n  if m * a <= b {\n    println!(\"{}\", a*n);\n  } else {\n    if m > n { \n      println!(\"{}\", min(b, a*n));\n    } else {\n      println!(\"{}\", b*(n/m)+a*(n%m));\n    }\n  }\n}\n", "lang": "Rust", "bug_code_uid": "705090ae7d674196d8f62e377ea963a0", "src_uid": "faa343ad6028c5a069857a38fa19bb24", "apr_id": "cb36398e6226c8dc9ff96d6e7c6e242c", "difficulty": 1200, "tags": ["implementation"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "replace", "lang_cluster": "Rust"}
{"similarity_score": 0.845771144278607, "equal_cnt": 6, "replace_cnt": 3, "delete_cnt": 0, "insert_cnt": 2, "fix_ops_cnt": 5, "bug_source_code": "// https://codeforces.com/problemset/problem/466/A\nuse std::io;\n\nfn main() {\n    let mut line = String::new();\n\n    io::stdin()\n        .read_line(&mut line)\n        .unwrap();\n\n    let words: Vec<f64> =\n        line\n        .split_whitespace()\n        .map(|x| x.parse().unwrap())\n        .collect();\n\n    let n = words[0];\n    let m = words[1];\n    let a = words[2];\n    let b = words[3];\n\n    let sale: f64 = b/m;\n\n    if sale < a {\n        println!(\"{}\", (n/m).floor()*b + (n%m)*a);\n    } else {\n        println!(\"{}\", n*a);\n    }\n}\n\n", "lang": "Rust", "bug_code_uid": "537b58c605edba223ef57fcd5bbcfd92", "src_uid": "faa343ad6028c5a069857a38fa19bb24", "apr_id": "8dddd1545536d7d70ace112735c47508", "difficulty": 1200, "tags": ["implementation"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "replace", "lang_cluster": "Rust"}
{"similarity_score": 0.9918784385643176, "equal_cnt": 3, "replace_cnt": 0, "delete_cnt": 0, "insert_cnt": 2, "fix_ops_cnt": 2, "bug_source_code": "#[allow(unused_imports)]\nuse std::cmp;\n#[allow(unused_imports)]\nuse std::collections::BTreeSet;\n#[allow(unused_imports)]\nuse std::collections::HashSet;\nuse std::fs::File;\nuse std::io::Read;\n#[allow(unused_imports)]\nuse std::mem;\nuse std::fmt::Display;\n\n#[allow(dead_code)]\nfn pow_speedy_with_mod(mut p: i64, mut q: i64, m: i64) -> i64 {\n    p %= m;\n    let mut r = p;\n    let mut ret: i64 = 1;\n    while q > 0 {\n        ret *= if q % 2 == 1 { r } else { 1 };\n        r *= r;\n        r %= m;\n        q /= 2;\n        ret %= m;\n    }\n    return ret;\n}\n\n#[allow(dead_code)]\nfn comb(n: usize, k: usize, m: i64, frac: &[i64], frac_inv: &[i64]) -> i64 {\n    let mut ret = 1i64;\n    if n < k {\n        return 0;\n    }\n    ret *= frac[n] * frac_inv[n - k];\n    ret %= m;\n    ret *= frac_inv[k];\n    ret %= m;\n    ret\n}\n\n#[allow(dead_code)]\nfn show1dvec<T : Display>(v : &Vec<T>) {\n    let n = v.len();\n    for i in 0..n - 1 {\n        print!(\"{} \" , v[i]);\n    }\n    println!(\"{} \" , v[n - 1]);\n}\n\n\n#[derive(Debug)]\nstruct Piece {\n    mark: char,\n    y: i32,\n    x: i32,\n}\n\nfn main() {\n    let inputstatus = 1;\n\n    let mut buf = String::new();\n    let filename = \"inputrust.txt\";\n\n    if inputstatus == 0 {\n        let mut f = File::open(filename).expect(\"file not found\");\n        f.read_to_string(&mut buf)\n            .expect(\"something went wrong reading the file\");\n    } else {\n        std::io::stdin().read_to_string(&mut buf).unwrap();\n    }\n\n    let mut iter = buf.split_whitespace();\n\n    let n: i32 = iter.next().unwrap().parse().unwrap();\n    let m: i32 = iter.next().unwrap().parse().unwrap();\n    let a: i32 = iter.next().unwrap().parse().unwrap();\n    let b: i32 = iter.next().unwrap().parse().unwrap();\n\n    println!(\"{}\", cmp::min(n * a, (n % m) * a + (n / m) * b));\n\n    // let n = iter.next().unwrap().parse().unwrap();\n\n    // println!(\"{}\", n);\n    // println!(\"{:?}\", cum_num);\n}\n", "lang": "Rust", "bug_code_uid": "b6d3552d5bd387a90953afeb50807816", "src_uid": "faa343ad6028c5a069857a38fa19bb24", "apr_id": "ed15521a1da9bc621cf1dfc100d24758", "difficulty": 1200, "tags": ["implementation"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "insert", "lang_cluster": "Rust"}
{"similarity_score": 0.9990766389658357, "equal_cnt": 2, "replace_cnt": 1, "delete_cnt": 0, "insert_cnt": 0, "fix_ops_cnt": 1, "bug_source_code": "struct Scan {\n    buffer: std::collections::VecDeque<String>\n}\n\nimpl Scan {\n    fn new() -> Scan {\n        Scan { buffer: std::collections::VecDeque::new() }\n    }\n\n    fn next<T: std::str::FromStr>(&mut self)-> T {\n        loop {\n            if let Some(token) = self.buffer.pop_front() {\n                break token.parse::<T>().ok().unwrap();\n            }\n            let mut line = String::new();\n            std::io::stdin().read_line(&mut line).expect(\"Fail to read\");\n            self.buffer = line.split_whitespace().map(String::from).collect();\n        }\n    }\n\n}\n\nfn _main() {\n    let mut scan = Scan::new();\n    let n: isize = scan.next();\n    let m: isize = scan.next();\n    let a: isize = scan.next();\n    let b: isize = scan.next();\n    if a*m <= b {\n        println!(\"{}\", a*n);\n    } else {\n        let mut result = (n/m)*b;\n        if b <= a*(n%m) { result += 1; }\n        else {            result += (n%m)*a; }\n        println!(\"{}\", result);\n    }\n}\n\nfn main() {\n    std::thread::Builder::new()\n        .stack_size(1<<23).spawn(_main).unwrap().join().unwrap();\n}\n", "lang": "Rust", "bug_code_uid": "80040c43f861a0e38355dc17c4bd719b", "src_uid": "faa343ad6028c5a069857a38fa19bb24", "apr_id": "d1b9e8d6b3a09fdb9bb7de63cecf514d", "difficulty": 1200, "tags": ["implementation"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "replace", "lang_cluster": "Rust"}
{"similarity_score": 0.99712368168744, "equal_cnt": 3, "replace_cnt": 0, "delete_cnt": 0, "insert_cnt": 2, "fix_ops_cnt": 2, "bug_source_code": "use std::cmp::min;\nuse std::io;\nuse std::io::Stdin;\nuse std::str::FromStr;\n\nfn read_line(stdin : &Stdin, line : &mut String) {\n    match stdin.read_line(line) {\n        Ok(_) => return,\n        Err(msg) => panic!(\"Could not read line! Message: {}.\", msg),\n    }\n}\n\nfn parse_t<T : FromStr>(s : &str) -> T {\n    match s.trim().parse() {\n        Ok(y) => y,\n        Err(_) => panic!(\"Could not read from string!\"),\n    }\n}\n\nfn read_ts<T : FromStr>(stdin : &Stdin, ts : &mut Vec<T>) {\n    let mut line = String::new();\n    read_line(stdin, &mut line);\n    let word_iter = line.split_whitespace();\n    for word in word_iter {\n        let x = parse_t(word);\n        ts.push(x);\n    }\n}\n\nfn main() {\n    let stdin = io::stdin();\n    let mut n_m_a_b : Vec<usize> = vec![];\n    read_ts(&stdin, &mut n_m_a_b);\n    let n = n_m_a_b[0];\n    let m = n_m_a_b[1];\n    let a = n_m_a_b[2];\n    let b = n_m_a_b[3];\n    let cost_1 = n * a;\n    let cost_2 = ((n / m) * b) + ((n % m) * a);\n    let min_cost = min(cost_1, cost_2);\n    println!(\"{}\", min_cost);\n}\n", "lang": "Rust", "bug_code_uid": "7c899e535ca76310b0bd419e761e5d3e", "src_uid": "faa343ad6028c5a069857a38fa19bb24", "apr_id": "b8be1c35a8575d156f20d87f38fbb3ff", "difficulty": 1200, "tags": ["implementation"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "insert", "lang_cluster": "Rust"}
{"similarity_score": 0.7868691817736404, "equal_cnt": 4, "replace_cnt": 4, "delete_cnt": 0, "insert_cnt": 0, "fix_ops_cnt": 4, "bug_source_code": "// use rand::Rng;\n\nuse std::collections::*;\nuse std::io;\n\nfn trim_newline(s: &mut String) {\n    if s.ends_with('\\n') {\n        s.pop();\n        if s.ends_with('\\r') {\n            s.pop();\n        }\n    }\n}\nmacro_rules! parse_input {\n    ($t:ident) => {{\n        let mut input_line = String::new();\n        io::stdin().read_line(&mut input_line).unwrap();\n        trim_newline(&mut input_line);\n        input_line.parse::<$t>().unwrap()\n    }};\n}\n\nmacro_rules! split_input {\n    ($t:ident) => {{\n        parse_input!(String)\n            .split(\" \")\n            .map(|z| z.parse::<$t>().unwrap())\n            .collect::<Vec<$t>>()\n    }};\n}\n\nfn main() {\n    let a = split_input!(u64);\n    let n = a[0];\n    let single = a[2];\n    let group = a[3];\n    let group_count = a[1];\n\n    if (single * group_count) <= group {\n        println!(\"{}\", single * n);\n    } else {\n        println!(\"{}\", n / group_count * group + (n % group_count) * single);\n    }\n}\n", "lang": "Rust", "bug_code_uid": "c42541127310226737396f203f4b1d01", "src_uid": "faa343ad6028c5a069857a38fa19bb24", "apr_id": "ff9adc4e9b823cbd8a63b4ebe7ea0e92", "difficulty": 1200, "tags": ["implementation"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "replace", "lang_cluster": "Rust"}
{"similarity_score": 0.9956140350877193, "equal_cnt": 3, "replace_cnt": 0, "delete_cnt": 2, "insert_cnt": 0, "fix_ops_cnt": 2, "bug_source_code": "use std::io::stdin;\n\nfn read_line() -> String {\n    let mut input = String::new();\n    stdin().read_line(&mut input).expect(\"Failed to read line!\");\n    input\n}\n\nfn main() {\n    let input1 = read_line();\n    let line1: Vec<&str> = input1.split(\" \").collect();\n    let n = line1[0].trim().parse::<i32>().unwrap();\n    let m = line1[1].trim().parse::<i32>().unwrap();\n    let a = line1[2].trim().parse::<i32>().unwrap();\n    let b = line1[3].trim().parse::<i32>().unwrap();\n\n    let costs: i32;\n    if b <= a {\n        costs = f32::ceil(n as f32 / m as f32) as i32 * b;\n    } else if b / m < a {\n        if m > n {\n            if n * a > m * b {\n                costs = m * b;\n            } else {\n                costs = n * a;\n            }\n        } else {\n            costs = (n % m) * a + f32::floor(n as f32 / m as f32) as i32 * b\n        }\n    } else {\n        costs = n * a;\n    }\n    println!(\"{}\", costs);\n}\n", "lang": "Rust", "bug_code_uid": "1d61e10931df1b158be3cc6e68840c36", "src_uid": "faa343ad6028c5a069857a38fa19bb24", "apr_id": "e11d415d8374d0a4300aa8f0e45ed693", "difficulty": 1200, "tags": ["implementation"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "delete", "lang_cluster": "Rust"}
{"similarity_score": 0.9371789806400632, "equal_cnt": 5, "replace_cnt": 3, "delete_cnt": 0, "insert_cnt": 1, "fix_ops_cnt": 4, "bug_source_code": "#[allow(unused_imports)]\nuse std::cmp::*;\n#[allow(unused_imports)]\nuse std::collections::*;\nuse std::io::Read;\n#[allow(dead_code)]\nfn getline() -> String {\n    let mut ret = String::new();\n    std::io::stdin().read_line(&mut ret).ok().unwrap();\n    ret\n}\nfn get_word() -> String {\n    let mut stdin = std::io::stdin();\n    let mut u8b: [u8; 1] = [0];\n    loop {\n        let mut buf: Vec<u8> = Vec::with_capacity(16);\n        loop {\n            let res = stdin.read(&mut u8b);\n            if res.unwrap_or(0) == 0 || u8b[0] <= b' ' {\n                break;\n            } else {\n                buf.push(u8b[0]);\n            }\n        }\n        if buf.len() >= 1 {\n            let ret = String::from_utf8(buf).unwrap();\n            return ret;\n        }\n    }\n}\n\n#[allow(dead_code)]\nfn get<T: std::str::FromStr>() -> T { get_word().parse().ok().unwrap() }\n\nfn solve() {\n    let n: i64 = get();\n    let x: i64 = get();\n    println!(\"{}\", (x - (n % 3) + 3) % 3);\n}\n\nfn main() {\n    // In order to avoid potential stack overflow, spawn a new thread.\n    let stack_size = 104_857_600; // 100 MB\n    let thd = std::thread::Builder::new().stack_size(stack_size);\n    thd.spawn(|| solve()).unwrap().join().unwrap();\n}\n", "lang": "Rust", "bug_code_uid": "e885eb22c57839c2f3e27648e7a5d6f5", "src_uid": "7853e03d520cd71571a6079cdfc4c4b0", "apr_id": "13c27ba215bac6a10461985e78c4d885", "difficulty": 1000, "tags": ["math", "constructive algorithms", "implementation"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "replace", "lang_cluster": "Rust"}
{"similarity_score": 0.970873786407767, "equal_cnt": 4, "replace_cnt": 1, "delete_cnt": 1, "insert_cnt": 1, "fix_ops_cnt": 3, "bug_source_code": "//https://qiita.com/tanakh/items/0ba42c7ca36cd29d0ac8 \u3088\u308a\nmacro_rules! input {\n    (source = $s:expr, $($r:tt)*) => {\n        let mut iter = $s.split_whitespace();\n        input_inner!{iter, $($r)*}\n    };\n    ($($r:tt)*) => {\n        let s = {\n            use std::io::Read;\n            let mut s = String::new();\n            std::io::stdin().read_to_string(&mut s).unwrap();\n            s\n        };\n        let mut iter = s.split_whitespace();\n        input_inner!{iter, $($r)*}\n    };\n}\n\nmacro_rules! input_inner {\n    ($iter:expr) => {};\n    ($iter:expr, ) => {};\n    ($iter:expr, $var:ident : $t:tt $($r:tt)*) => {\n        let $var = read_value!($iter, $t);\n        input_inner!{$iter $($r)*}\n    };\n}\n\nmacro_rules! read_value {\n    ($iter:expr, ( $($t:tt),* )) => {\n        ( $(read_value!($iter, $t)),* )\n    };\n    ($iter:expr, [ $t:tt ; $len:expr ]) => {\n        (0..$len).map(|_| read_value!($iter, $t)).collect::<Vec<_>>()\n    };\n    ($iter:expr, chars) => {\n        read_value!($iter, String).chars().collect::<Vec<char>>()\n    };\n    ($iter:expr, usize1) => {\n        read_value!($iter, usize) - 1\n    };\n    ($iter:expr, $t:ty) => {\n        $iter.next().unwrap().parse::<$t>().expect(\"Parse error\")\n    };\n}\n\n// \u3053\u3053\u307e\u3067\n\nfn run() {\n    input! {\n        a: (u32, u32),\n        b: (u32, u32),\n        s: chars,\n    }\n    let mut f = 0;\n    f += s[0].to_digit(10).unwrap() * 10 * 60;\n    f += s[1].to_digit(10).unwrap() * 60;\n    f += s[3].to_digit(10).unwrap() * 10;\n    f += s[4].to_digit(10).unwrap();\n    f = std::cmp::max(5 * 60, f);\n    let start = (f + a.0 - 1) / a.0 * a.0;\n    let end = start + a.1;\n    let mut p = 300;\n    let mut ans = 0;\n    while p < 24 * 60 {\n        let (s, e) = (p, p + b.1);\n        let (l, r) = (std::cmp::max(s, start), std::cmp::min(e, end));\n        if l < r {\n            ans += 1;\n        }\n        p += b.0;\n    }\n    println!(\"{}\", ans);\n}\n\nfn main() {\n    run();\n}\n", "lang": "Rust", "bug_code_uid": "c0533a16069b920155d6206361eacc06", "src_uid": "1c4cf1c3cb464a483511a8a61f8685a7", "apr_id": "fe43274ee7b0fb4464c22815242f2b54", "difficulty": 1600, "tags": ["implementation"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "replace", "lang_cluster": "Rust"}
{"similarity_score": 0.9973474801061007, "equal_cnt": 3, "replace_cnt": 0, "delete_cnt": 1, "insert_cnt": 1, "fix_ops_cnt": 2, "bug_source_code": "use std::io;\n\nfn main() {\n  let mut ni = String::new();\n  io::stdin().read_line(&mut ni).unwrap();\n  let mut si = String::new();\n  io::stdin().read_line(&mut si).unwrap();\n  let sf = si.trim().matches(\"SF\").collect::<Vec<&str>>().len();  \n  let fs = si.trim().matches(\"SF\").collect::<Vec<&str>>().len();  \n  if sf > fs {\n    println!(\"YES\")\n  } else {\n    println!(\"NO\")\n  }\n}\n", "lang": "Rust", "bug_code_uid": "4073fb0c7e17caab219a4941d03c919e", "src_uid": "ab8a2070ea758d118b3c09ee165d9517", "apr_id": "74b292e40dacd3716001bcb3cb7a92fa", "difficulty": 800, "tags": ["implementation"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "delete", "lang_cluster": "Rust"}
{"similarity_score": 0.6512295081967213, "equal_cnt": 12, "replace_cnt": 10, "delete_cnt": 1, "insert_cnt": 1, "fix_ops_cnt": 12, "bug_source_code": "// ---------- begin input macro ----------\n// reference: https://qiita.com/tanakh/items/0ba42c7ca36cd29d0ac8\nmacro_rules! input {\n    (source = $s:expr, $($r:tt)*) => {\n        let mut iter = $s.split_whitespace();\n        input_inner!{iter, $($r)*}\n    };\n    ($($r:tt)*) => {\n        let s = {\n            use std::io::Read;\n            let mut s = String::new();\n            std::io::stdin().read_to_string(&mut s).unwrap();\n            s\n        };\n        let mut iter = s.split_whitespace();\n        input_inner!{iter, $($r)*}\n    };\n}\n\nmacro_rules! input_inner {\n    ($iter:expr) => {};\n    ($iter:expr, ) => {};\n    ($iter:expr, $var:ident : $t:tt $($r:tt)*) => {\n        let $var = read_value!($iter, $t);\n        input_inner!{$iter $($r)*}\n    };\n}\n\nmacro_rules! read_value {\n    ($iter:expr, ( $($t:tt),* )) => {\n        ( $(read_value!($iter, $t)),* )\n    };\n    ($iter:expr, [ $t:tt ; $len:expr ]) => {\n        (0..$len).map(|_| read_value!($iter, $t)).collect::<Vec<_>>()\n    };\n    ($iter:expr, chars) => {\n        read_value!($iter, String).chars().collect::<Vec<char>>()\n    };\n    ($iter:expr, bytes) => {\n        read_value!($iter, String).bytes().collect::<Vec<u8>>()\n    };\n    ($iter:expr, usize1) => {\n        read_value!($iter, usize) - 1\n    };\n    ($iter:expr, $t:ty) => {\n        $iter.next().unwrap().parse::<$t>().expect(\"Parse error\")\n    };\n}\n// ---------- end input macro ----------\n\nfn run() {\n    input! {\n        n: usize,\n        l: u64,\n    }\n    let mut binom = vec![vec![0u64; n + 1]; n + 1];\n    binom[0][0] = 1;\n    for i in 1..=n {\n        binom[i][0] = 1;\n        for j in 1..=i {\n            binom[i][j] = binom[i - 1][j - 1] + binom[i - 1][j];\n        }\n    }\n    let mut fact = vec![1u64; n + 1];\n    for i in 1..=n {\n        fact[i] = (i as u64).saturating_mul(fact[i - 1]);\n    }\n    let calc = |n: usize, k: usize| -> u64 {\n        assert!(1 <= k && k <= n);\n        let n = n - k;\n        let mut dp = vec![1u64; n + 1];\n        for i in 2..=n {\n            let mut way = 0u64;\n            for j in 1..=i {\n                way = way.saturating_add(dp[i - j]);\n            }\n            dp[i] = way;\n        }\n        dp[n]\n    };\n    let mut set = std::collections::BTreeSet::new();\n    for i in 1..=n {\n        set.insert(i);\n    }\n    let mut l = l - 1;\n    let mut ans = vec![];\n    for i in (1..=n).rev() {\n        let mut del = 0;\n        for (j, &v) in set.iter().enumerate() {\n            let way = calc(i, j + 1);\n            if way > l {\n                del = v;\n                break;\n            } else {\n                l -= way;\n            }\n        }\n        set.remove(&del);\n        ans.push(del);\n    }\n    for (i, a) in ans.iter().enumerate() {\n        if i > 0 {\n            print!(\" \");\n        }\n        print!(\"{}\", *a);\n    }\n    println!();\n}\n\nfn main() {\n    run();\n}\n", "lang": "Rust", "bug_code_uid": "e99570801f81fe0b446c3f01f9654557", "src_uid": "e03c6d3bb8cf9119530668765691a346", "apr_id": "76510fdf9cf4e194364c8d6e2ce7c017", "difficulty": 1900, "tags": ["combinatorics", "greedy", "math", "implementation", "constructive algorithms", "binary search"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "replace", "lang_cluster": "Rust"}
{"similarity_score": 0.8394135697238323, "equal_cnt": 7, "replace_cnt": 5, "delete_cnt": 1, "insert_cnt": 0, "fix_ops_cnt": 6, "bug_source_code": "use std::io::prelude::*;\nuse std::io;\nuse std::str::FromStr;\n#[cfg(local)]\nuse std::fs::File;\n#[cfg(local)]\nuse std::io::BufReader;\n\n#[cfg(local)]\nfn buf_read() -> io::Result<(Vec<String>)> {\n    let f = try!(File::open(\"input.txt\"));\n    let input_lines: Vec<_> = BufReader::new(f).lines().collect();\n    let lines: Vec<String> = input_lines.into_iter().map(|e| e.unwrap()).collect();\n    Ok((lines))\n}\n\n#[cfg(not(local))]\nfn buf_read() -> io::Result<(Vec<String>)> {\n    let stdin = io::stdin();\n    let input_lines: Vec<_> = stdin.lock().lines().collect();\n    let lines: Vec<String> = input_lines.into_iter().map(|e| e.unwrap()).collect();\n    Ok((lines))\n}\n\nfn main() {\n    type Element = f64;\n    let input = buf_read().unwrap();\n    let mut input_vectors: Vec<Vec<Element>> = vec![];\n    for input_line in input {\n        let input_str: Vec<String> = input_line.split(' ').map(String::from).collect();\n        let mut input_vector: Vec<Element> = vec![];\n        for input_elem_str in input_str {\n            let elem: Element = Element::from_str(input_elem_str.as_str()).unwrap();\n            input_vector.push(elem);\n        }\n        input_vectors.push(input_vector);\n    }\n    let two: f64 = 2.0;\n    // println!(\"{:?}\", two.log(input_vectors[0][0]));\n    println!(\"{:?}\", input_vectors[0][0].log(two).ceil() as i64);\n}\n", "lang": "Rust", "bug_code_uid": "f675d4da410b0d9dc45f2b024337ea39", "src_uid": "3d3432b4f7c6a3b901161fa24b415b14", "apr_id": "e5b7f84342b10e6914a9d8d61bede15b", "difficulty": 1600, "tags": ["math", "combinatorics", "greedy", "constructive algorithms"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "replace", "lang_cluster": "Rust"}
{"similarity_score": 0.7488584474885844, "equal_cnt": 7, "replace_cnt": 6, "delete_cnt": 1, "insert_cnt": 0, "fix_ops_cnt": 7, "bug_source_code": "use std::io::prelude::*;\nuse std::io;\nuse std::str::FromStr;\n#[cfg(local)]\nuse std::fs::File;\n#[cfg(local)]\nuse std::io::BufReader;\n\n#[cfg(local)]\nfn buf_read() -> io::Result<(Vec<String>)> {\n    let f = try!(File::open(\"input.txt\"));\n    let input_lines: Vec<_> = BufReader::new(f).lines().collect();\n    let lines: Vec<String> = input_lines.into_iter().map(|e| e.unwrap()).collect();\n    Ok((lines))\n}\n\n#[cfg(not(local))]\nfn buf_read() -> io::Result<(Vec<String>)> {\n    let stdin = io::stdin();\n    let input_lines: Vec<_> = stdin.lock().lines().collect();\n    let lines: Vec<String> = input_lines.into_iter().map(|e| e.unwrap()).collect();\n    Ok((lines))\n}\n\nfn main() {\n    type Element = i64;\n    let input = buf_read().unwrap();\n    let mut input_vectors: Vec<Vec<Element>> = vec![];\n    for input_line in input {\n        let input_str: Vec<String> = input_line.split(' ').map(String::from).collect();\n        let mut input_vector: Vec<Element> = vec![];\n        for input_elem_str in input_str {\n            let elem: Element = Element::from_str(input_elem_str.as_str()).unwrap();\n            input_vector.push(elem);\n        }\n        input_vectors.push(input_vector);\n    }\n    // let two: f64 = 2.0;\n    // println!(\"{:?}\", two.log(input_vectors[0][0]));\n    //\n    // println!(\"{:?}\", input_vectors[0][0].log(two).ceil() as i64);\n    // for n in 0..f64::INFINITY {\n    let mut n = 0;\n    loop {\n        if fib(n) > input_vectors[0][0] {\n            println!(\"{}\", n - 1);\n            break;\n        }\n        n += 1;\n    }\n}\n\nfn fib(e: i64) -> i64 {\n    if e == 0 {\n        return 1;\n    } else if (e == 1) {\n        return 2;\n    }\n    return fib(e - 1) + fib(e - 2);\n}\n", "lang": "Rust", "bug_code_uid": "3affc3ba0133210e8c503530ee3488f3", "src_uid": "3d3432b4f7c6a3b901161fa24b415b14", "apr_id": "e5b7f84342b10e6914a9d8d61bede15b", "difficulty": 1600, "tags": ["math", "combinatorics", "greedy", "constructive algorithms"], "bug_exec_outcome": "TIME_LIMIT_EXCEEDED", "potential_dominant_fix_op": "replace", "lang_cluster": "Rust"}
{"similarity_score": 0.8993380506733623, "equal_cnt": 9, "replace_cnt": 6, "delete_cnt": 0, "insert_cnt": 2, "fix_ops_cnt": 8, "bug_source_code": "use std::io::{self, Stdin};\nuse std::str::{self, FromStr};\nuse std::error::Error;\nuse std::thread;\n\nfn exec() {\n    let mut sc = Scanner::new();\n    let n: i64 = sc.ne();\n    let mut cur = 1i64;\n    let mut cnt = 0;\n    while cur < n {\n        cur *= 2;\n        cnt += 1;\n    }\n    println!(\"{}\", cnt);\n}\nconst DEFAULT_STACK: usize = 16 * 1024 * 1024;\nfn main() {\n    let builder = thread::Builder::new();\n    let th = builder.stack_size(DEFAULT_STACK);\n    let handle = th.spawn(|| { exec(); }).unwrap();\n    let _ = handle.join();\n}\n\n#[allow(dead_code)]\nstruct Scanner {\n    stdin: Stdin,\n    id: usize,\n    buf: Vec<u8>,\n}\n\n#[allow(dead_code)]\nimpl Scanner {\n    fn new() -> Scanner {\n        Scanner {\n            stdin: io::stdin(),\n            id: 0,\n            buf: Vec::new(),\n        }\n    }\n    fn next_line(&mut self) -> Option<String> {\n        let mut res = String::new();\n        match self.stdin.read_line(&mut res) {\n            Ok(0) => return None,\n            Ok(_) => Some(res),\n            Err(why) => panic!(\"error in read_line: {}\", why.description()),\n        }\n    }\n    fn next<T: FromStr>(&mut self) -> Option<T> {\n        while self.buf.len() == 0 {\n            self.buf = match self.next_line() {\n                Some(r) => {\n                    self.id = 0;\n                    r.trim().as_bytes().to_owned()\n                }\n                None => return None,\n            };\n        }\n        let l = self.id;\n        assert!(self.buf[l] != b' ');\n        let n = self.buf.len();\n        let mut r = l;\n        while r < n && self.buf[r] != b' ' {\n            r += 1;\n        }\n        let res = match str::from_utf8(&self.buf[l..r]).ok().unwrap().parse::<T>() {\n            Ok(s) => Some(s),\n            Err(_) => panic!(\"parse error\"),\n        };\n        while r < n && self.buf[r] == b' ' {\n            r += 1;\n        }\n        if r == n {\n            self.buf.clear();\n        } else {\n            self.id = r;\n        }\n        res\n    }\n    fn ne<T: FromStr>(&mut self) -> T {\n        self.next::<T>().unwrap()\n    }\n}\n", "lang": "Rust", "bug_code_uid": "f3257a22d484934660b4931d1a42eff2", "src_uid": "3d3432b4f7c6a3b901161fa24b415b14", "apr_id": "61a05e6c78a14e2ba5a6cdc11a38f510", "difficulty": 1600, "tags": ["math", "combinatorics", "greedy", "constructive algorithms"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "replace", "lang_cluster": "Rust"}
{"similarity_score": 0.9223927062486101, "equal_cnt": 18, "replace_cnt": 7, "delete_cnt": 7, "insert_cnt": 3, "fix_ops_cnt": 17, "bug_source_code": "use std::collections::BTreeSet;\nfn main() {\n    let mut ri = ReadIn::new();\n    let tp = ri.int2();\n    let n = tp.0 as usize;\n    let m = tp.1;\n    let mut it = ri.ints();\n    let mut num = Vec::new();\n    for _ in 0..n {\n        num.push(it.next().unwrap());\n    }\n    if n == 1 {\n        println!(\"{}\", num[0]);\n        return ;\n    }\n    let fst = num[0..n/2].to_vec();\n    let snd = num[n/2..n].to_vec();\n    let s1 = explore(fst,m);\n    let s2 = explore(snd,m);\n    let mut it3 = s1.iter();\n    let mut it4 = s2.iter();\n    let mut ans = (it3.next_back().unwrap() + it4.next_back().unwrap()) % m;\n    let mut it1 = s1.iter();\n    let mut it2 = s2.iter();\n    loop {\n        match it1.next() {\n            Some(v1) => {\n                loop {\n                    match it2.next_back() {\n                        Some(v2) => {\n                            if v1 + v2 < m {\n                                if (v1 + v2) > ans {\n                                    ans = v1 + v2;\n                                }\n                                break;\n                            }\n                        },\n                        None => break,\n                    }\n                }\n            },\n            None => break,\n        }\n    }\n    println!(\"{}\", ans);\n}\n\nfn explore(v:Vec<i32>, m:i32) -> BTreeSet<i32> {\n    let n = v.len();\n    let mut st = BTreeSet::new();\n    for msk in 0..1<<n {\n        let mut s = 0;\n        for i in 0..n {\n            if (msk & (1<<i)) > 0 {\n                s = (s + v[i]) % m;\n            }\n        }\n        st.insert(s);\n    }\n    st\n}\n\nuse std::iter::Map;\nuse std::str::SplitWhitespace;\nuse std::io::stdin;\nuse std::mem::forget;\n\npub struct ReadIn(pub String);\n\nimpl ReadIn {\n    pub fn new() -> ReadIn {\n        ReadIn(String::new())\n    }\n    fn read_i32(s: &str) -> i32 {\n        s.parse().unwrap()\n    }\n    pub fn read_line(&mut self) {\n        self.0.clear();\n        forget(stdin().read_line(&mut self.0));\n    }\n    pub fn ints(&mut self) -> Map<SplitWhitespace, fn(&str) -> i32> {\n        self.read_line();\n        self.0.split_whitespace().map(ReadIn::read_i32)\n    }\n    pub fn int(&mut self) -> i32 {\n        self.ints().next().unwrap()\n    }\n    pub fn int2(&mut self) -> (i32, i32) {\n        let mut it = self.ints();\n        (it.next().unwrap(), it.next().unwrap())\n    }\n}\n", "lang": "Rust", "bug_code_uid": "c905d50fb11cfc0731be2d643adaa877", "src_uid": "d3a8a3e69a55936ee33aedd66e5b7f4a", "apr_id": "2ab78c2565f94ecbe624973e8ca6f5c5", "difficulty": 1800, "tags": ["divide and conquer", "meet-in-the-middle", "bitmasks"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "replace", "lang_cluster": "Rust"}
{"similarity_score": 0.9000689179875948, "equal_cnt": 17, "replace_cnt": 10, "delete_cnt": 2, "insert_cnt": 4, "fix_ops_cnt": 16, "bug_source_code": "use std::io::BufRead;\n\nconst MODULO: u128 = 1000000007;\n\nfn delta_greater(a: usize, b: usize, c: usize) -> bool {\n    if a > b {\n        return (a - b) > c;\n    } else {\n        return (b - a) > c;\n    }\n}\n\nfn sqrt_int(x: usize) -> usize {\n    if x == 0 {\n        return 0;\n    }\n    let mut value: usize = x + 2;\n    let mut value1: usize = x;\n    while delta_greater(value, value1, 1) {\n        value = value1;\n        value1 = (value + (x / value)) / 2;\n    }\n    value1 = (value1 + (x / value1)) / 2;\n    return value1;\n}\n\nfn get_power_value(base: u128, power: u128) -> u128 {\n    let mut value: u128 = 1;\n    let mut z: u128 = base;\n    let mut power_of_2: u128 = 1;\n    let mut power_tmp: u128 = power;\n    for _ in 0..127 {\n        if (power_tmp & 1) != 0 {\n            value *= z;\n            value %= MODULO;\n        }\n\n        z *= z;\n        z %= MODULO;\n\n        power_of_2 <<= 1;\n        power_tmp >>= 1;\n        if power_of_2 > power {\n            break;\n        }\n    }\n    return value;\n}\n\nfn get_prime_divider_power(value: u128, divider: u128) -> u128 {\n    let mut power: u128 = 0;\n    let mut divider_tmp: u128 = divider;\n    while divider_tmp <= value {\n        power += value / divider_tmp;\n        divider_tmp *= divider;\n    }\n    return power;\n}\n\nfn func_g1_mod(n: u128, p: u128) -> u128 {\n    let power: u128 = get_prime_divider_power(n, p);\n    return get_power_value(p, power);\n}\n\nfn func_f1_mod(x: usize, n: u128) -> u128 {\n    let x_sqrt: usize = sqrt_int(x) + 1;\n    let mut primes: Vec<bool> = Vec::with_capacity(x_sqrt);\n    for _ in 0..x_sqrt {\n        primes.push(true);\n    }\n    {\n        let mut i: usize = 2;\n        while (i * i) < x_sqrt {\n            if primes[i] {\n                let mut j: usize = i * i;\n                while j < x_sqrt {\n                    primes[j] = false;\n                    j += i;\n                }\n            }\n            i += 1;\n        }\n    }\n\n    let mut value: u128 = 1;\n\n    let mut x_dividers_found: bool = false;\n    for i in 2..x_sqrt {\n        if (i as u128) > n {\n            break;\n        }\n        if (x % i) != 0 {\n            continue;\n        }\n        x_dividers_found = true;\n        if primes[i] {\n            value *= func_g1_mod(n, i as u128);\n            value %= MODULO;\n        }\n    }\n    if !x_dividers_found {\n        value *= func_g1_mod(n, x as u128);\n        value %= MODULO;\n    }\n\n    return value;\n}\n\n#[cfg(test)]\nmod tests {\n    use super::{func_f1_mod, get_power_value, sqrt_int};\n\n    #[test]\n    fn test_a1() {\n        assert_eq!(sqrt_int(0), 0);\n        assert_eq!(sqrt_int(1), 1);\n        assert_eq!(sqrt_int(2), 1);\n        assert_eq!(sqrt_int(3), 1);\n        assert_eq!(sqrt_int(4), 2);\n        assert_eq!(sqrt_int(5), 2);\n        assert_eq!(sqrt_int(6), 2);\n        assert_eq!(sqrt_int(7), 2);\n        assert_eq!(sqrt_int(8), 2);\n        assert_eq!(sqrt_int(9), 3);\n        assert_eq!(sqrt_int(10), 3);\n    }\n\n    #[test]\n    fn test_b1() {\n        assert_eq!(get_power_value(0, 1), 0);\n        assert_eq!(get_power_value(0, 2), 0);\n        assert_eq!(get_power_value(0, 3), 0);\n        assert_eq!(get_power_value(1, 0), 1);\n        assert_eq!(get_power_value(1, 1), 1);\n        assert_eq!(get_power_value(1, 2), 1);\n        assert_eq!(get_power_value(1, 3), 1);\n        assert_eq!(get_power_value(2, 0), 1);\n        assert_eq!(get_power_value(2, 1), 2);\n        assert_eq!(get_power_value(2, 2), 4);\n        assert_eq!(get_power_value(2, 3), 8);\n        assert_eq!(get_power_value(3, 0), 1);\n        assert_eq!(get_power_value(3, 1), 3);\n        assert_eq!(get_power_value(3, 2), 9);\n        assert_eq!(get_power_value(3, 3), 27);\n    }\n\n    #[test]\n    fn test_c1() {\n        assert_eq!(func_f1_mod(10, 2), 2);\n    }\n    #[test]\n    fn test_c4() {\n        assert_eq!(func_f1_mod(20190929, 1605), 363165664);\n    }\n    #[test]\n    fn test_c5() {\n        assert_eq!(func_f1_mod(947, 987654321987654321), 593574252);\n    }\n}\n\nfn read_usize_u128_pair(stdin_lock: &mut std::io::StdinLock) -> (usize, u128) {\n    let mut line1: String = String::new();\n    stdin_lock.read_line(&mut line1).unwrap();\n    let mut line1_values = line1.trim().split(\" \");\n    let value1: usize = line1_values.next().unwrap().parse::<usize>().unwrap();\n    let value2: u128 = line1_values.next().unwrap().parse::<u128>().unwrap();\n    return (value1, value2);\n}\n\nfn main() {\n    let stdin: std::io::Stdin = std::io::stdin();\n    let mut stdin_lock: std::io::StdinLock = stdin.lock();\n\n    let (x, n): (usize, u128) = read_usize_u128_pair(&mut stdin_lock);\n\n    let func_value: u128 = func_f1_mod(x, n);\n\n    println!(\"{}\", func_value);\n}\n", "lang": "Rust", "bug_code_uid": "8e628fd28f0c0105b47eca4277b4f8bf", "src_uid": "04610fbaa746c083dda30e21fa6e1a0c", "apr_id": "aca96fe42f8a94d8b4d75fccf917d88b", "difficulty": 1700, "tags": ["math", "number theory"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "replace", "lang_cluster": "Rust"}
{"similarity_score": 0.9909863507597219, "equal_cnt": 1, "replace_cnt": 1, "delete_cnt": 0, "insert_cnt": 0, "fix_ops_cnt": 1, "bug_source_code": "//spnauti-rust\nuse std::io::*;\nuse std::str::*;\nuse std::fmt::Debug;\n#[allow(unused_imports)] use std::cmp::Ordering::*;\n#[allow(unused_imports)] use std::collections::*;\n\n#[allow(unused_macros)]\nmacro_rules! a {\n    ($c: tt, $x: expr, $y: expr) => {{\n        let b = $y; let a = &mut $x;\n        if b $c *a { *a = b; true } else { false }\n    }};\n}\nstruct WordReader<'a> { it : SplitAsciiWhitespace<'a>, }\n#[allow(dead_code)]\nimpl<'a> WordReader<'a> {\n    fn new<T: Read>(b: &mut String, mut r: T) -> WordReader {\n        b.clear();\n        r.read_to_string(b).ok();\n        WordReader { it: b.split_ascii_whitespace() }\n    }\n    fn from_stdin(b: &mut String) -> WordReader {\n        WordReader::new(b, stdin())\n    }\n    fn sl(&mut self) ->  &str { self.it.next().unwrap() }\n    fn bs(&mut self) -> &[u8] { self.sl().as_bytes()    }\n    fn s(&mut self) -> String { String::from(self.sl()) }\n    fn i(&mut self) ->    i32 { self.p()                }\n    fn u(&mut self) ->  usize { self.p()                }\n    fn vi(&mut self, n: usize) -> Vec<i32> {\n        self.vp::<i32>(n)\n    }\n    fn p<T: FromStr>(&mut self) -> T where T::Err: Debug {\n        self.sl().parse::<T>().unwrap()\n    }\n    fn vp<T: FromStr>(&mut self, n: usize) -> Vec<T> where T::Err: Debug {\n        (0..n).map(|_| self.p()).collect()\n    }\n}\n\n#[allow(dead_code)]\nfn build_counting_hashmap<K: Eq + std::hash::Hash, T>(i: T) -> HashMap<K,usize>\n    where T: Iterator<Item = K> {\n    let mut m = HashMap::new();\n    for k in i {\n        let n = 1 + if let Some(&n) = m.get(&k) { n } else { 0 };\n        m.insert(k, n);\n    }\n    m\n}\n\nfn main() {\n    let mut bin = String::new();\n    let mut input = WordReader::from_stdin(&mut bin);\n\n    let r: f64 = input.p();\n    let x: f64 = input.p();\n    let y: f64 = input.p();\n    let xx: f64 = input.p();\n    let yy: f64 = input.p();\n    println!(\"{}\", (((x - xx).powi(2) + (y - yy).powi(2)).sqrt() / (2. * r) - 1e-6).ceil());\n}\n\n", "lang": "Rust", "bug_code_uid": "e0b209dea23bbd35d10474f50720f4ad", "src_uid": "698da80c7d24252b57cca4e4f0ca7031", "apr_id": "83dd6d378ab762f9679fba07894e99e7", "difficulty": 1400, "tags": ["geometry", "math"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "replace", "lang_cluster": "Rust"}
{"similarity_score": 0.9193074158771644, "equal_cnt": 4, "replace_cnt": 2, "delete_cnt": 1, "insert_cnt": 0, "fix_ops_cnt": 3, "bug_source_code": "//https://qiita.com/tanakh/items/0ba42c7ca36cd29d0ac8 \u3088\u308a\nmacro_rules! input {\n    (source = $s:expr, $($r:tt)*) => {\n        let mut iter = $s.split_whitespace();\n        input_inner!{iter, $($r)*}\n    };\n    ($($r:tt)*) => {\n        let s = {\n            use std::io::Read;\n            let mut s = String::new();\n            std::io::stdin().read_to_string(&mut s).unwrap();\n            s\n        };\n        let mut iter = s.split_whitespace();\n        input_inner!{iter, $($r)*}\n    };\n}\n\nmacro_rules! input_inner {\n    ($iter:expr) => {};\n    ($iter:expr, ) => {};\n    ($iter:expr, $var:ident : $t:tt $($r:tt)*) => {\n        let $var = read_value!($iter, $t);\n        input_inner!{$iter $($r)*}\n    };\n}\n\nmacro_rules! read_value {\n    ($iter:expr, ( $($t:tt),* )) => {\n        ( $(read_value!($iter, $t)),* )\n    };\n    ($iter:expr, [ $t:tt ; $len:expr ]) => {\n        (0..$len).map(|_| read_value!($iter, $t)).collect::<Vec<_>>()\n    };\n    ($iter:expr, chars) => {\n        read_value!($iter, String).chars().collect::<Vec<char>>()\n    };\n    ($iter:expr, bytes) => {\n        read_value!($iter, String).bytes().collect::<Vec<u8>>()\n    };\n    ($iter:expr, usize1) => {\n        read_value!($iter, usize) - 1\n    };\n    ($iter:expr, $t:ty) => {\n        $iter.next().unwrap().parse::<$t>().expect(\"Parse error\")\n    };\n}\n\n//\n\nfn run() {\n    input! {\n        n: u64,\n    }\n    let ans = n.next_power_of_two().trailing_zeros();\n    println!(\"{}\", ans);\n}\n\nfn main() {\n    run();\n}\n", "lang": "Rust", "bug_code_uid": "5ad25199a6b4de6dc65fc271cf39bed1", "src_uid": "3d3432b4f7c6a3b901161fa24b415b14", "apr_id": "b89c3f45dc857ad2dda5a87370af05a7", "difficulty": 1600, "tags": ["dp", "combinatorics", "dfs and similar", "math", "constructive algorithms"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "replace", "lang_cluster": "Rust"}
{"similarity_score": 0.9891696750902527, "equal_cnt": 2, "replace_cnt": 0, "delete_cnt": 0, "insert_cnt": 1, "fix_ops_cnt": 1, "bug_source_code": "//https://qiita.com/tanakh/items/0ba42c7ca36cd29d0ac8 \u3088\u308a\nmacro_rules! input {\n    (source = $s:expr, $($r:tt)*) => {\n        let mut iter = $s.split_whitespace();\n        input_inner!{iter, $($r)*}\n    };\n    ($($r:tt)*) => {\n        let s = {\n            use std::io::Read;\n            let mut s = String::new();\n            std::io::stdin().read_to_string(&mut s).unwrap();\n            s\n        };\n        let mut iter = s.split_whitespace();\n        input_inner!{iter, $($r)*}\n    };\n}\n\nmacro_rules! input_inner {\n    ($iter:expr) => {};\n    ($iter:expr, ) => {};\n    ($iter:expr, $var:ident : $t:tt $($r:tt)*) => {\n        let $var = read_value!($iter, $t);\n        input_inner!{$iter $($r)*}\n    };\n}\n\nmacro_rules! read_value {\n    ($iter:expr, ( $($t:tt),* )) => {\n        ( $(read_value!($iter, $t)),* )\n    };\n    ($iter:expr, [ $t:tt ; $len:expr ]) => {\n        (0..$len).map(|_| read_value!($iter, $t)).collect::<Vec<_>>()\n    };\n    ($iter:expr, chars) => {\n        read_value!($iter, String).chars().collect::<Vec<char>>()\n    };\n    ($iter:expr, bytes) => {\n        read_value!($iter, String).bytes().collect::<Vec<u8>>()\n    };\n    ($iter:expr, usize1) => {\n        read_value!($iter, usize) - 1\n    };\n    ($iter:expr, $t:ty) => {\n        $iter.next().unwrap().parse::<$t>().expect(\"Parse error\")\n    };\n}\n\n//\n\nfn run() {\n    input! {\n        n: usize,\n        a: [usize; n],\n    }\n    let mut a = a;\n    a.sort();\n    let mut ans = \"NO\";\n    for i in 2..n {\n        let s = a[i - 2];\n        if a[(i - 2)..=i] == [s, s + 1, s + 2] {\n            ans = \"YES\";\n        }\n    }\n    println!(\"{}\", ans);\n}\n\nfn main() {\n    run();\n}\n", "lang": "Rust", "bug_code_uid": "9601c59bfdc9f521526e5534ff0b7229", "src_uid": "d6c876a84c7b92141710be5d76536eab", "apr_id": "cce7f89c20c57110c188cc6f0c84a71e", "difficulty": 900, "tags": ["brute force", "sortings", "implementation"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "insert", "lang_cluster": "Rust"}
{"similarity_score": 0.9937106918238994, "equal_cnt": 2, "replace_cnt": 0, "delete_cnt": 0, "insert_cnt": 1, "fix_ops_cnt": 1, "bug_source_code": "//https://qiita.com/tanakh/items/0ba42c7ca36cd29d0ac8 \u3088\u308a\nmacro_rules! input {\n    (source = $s:expr, $($r:tt)*) => {\n        let mut iter = $s.split_whitespace();\n        input_inner!{iter, $($r)*}\n    };\n    ($($r:tt)*) => {\n        let s = {\n            use std::io::Read;\n            let mut s = String::new();\n            std::io::stdin().read_to_string(&mut s).unwrap();\n            s\n        };\n        let mut iter = s.split_whitespace();\n        input_inner!{iter, $($r)*}\n    };\n}\n\nmacro_rules! input_inner {\n    ($iter:expr) => {};\n    ($iter:expr, ) => {};\n    ($iter:expr, $var:ident : $t:tt $($r:tt)*) => {\n        let $var = read_value!($iter, $t);\n        input_inner!{$iter $($r)*}\n    };\n}\n\nmacro_rules! read_value {\n    ($iter:expr, ( $($t:tt),* )) => {\n        ( $(read_value!($iter, $t)),* )\n    };\n    ($iter:expr, [ $t:tt ; $len:expr ]) => {\n        (0..$len).map(|_| read_value!($iter, $t)).collect::<Vec<_>>()\n    };\n    ($iter:expr, chars) => {\n        read_value!($iter, String).chars().collect::<Vec<char>>()\n    };\n    ($iter:expr, bytes) => {\n        read_value!($iter, String).bytes().collect::<Vec<u8>>()\n    };\n    ($iter:expr, usize1) => {\n        read_value!($iter, usize) - 1\n    };\n    ($iter:expr, $t:ty) => {\n        $iter.next().unwrap().parse::<$t>().expect(\"Parse error\")\n    };\n}\n\n//\n\nfn run() {\n    input! {\n        n: usize,\n        a: [usize; n],\n    }\n    let mut a = a;\n    a.sort();\n    a.dedup();\n    let mut ans = \"NO\";\n    for i in 2..n {\n        let s = a[i - 2];\n        if a[(i - 2)..=i] == [s, s + 1, s + 2] {\n            ans = \"YES\";\n        }\n    }\n    println!(\"{}\", ans);\n}\n\nfn main() {\n    run();\n}\n", "lang": "Rust", "bug_code_uid": "f89b9bad1696e3afe9b86954657f0d8d", "src_uid": "d6c876a84c7b92141710be5d76536eab", "apr_id": "cce7f89c20c57110c188cc6f0c84a71e", "difficulty": 900, "tags": ["brute force", "sortings", "implementation"], "bug_exec_outcome": "RUNTIME_ERROR", "potential_dominant_fix_op": "insert", "lang_cluster": "Rust"}
{"similarity_score": 0.9882179675994109, "equal_cnt": 2, "replace_cnt": 0, "delete_cnt": 0, "insert_cnt": 1, "fix_ops_cnt": 1, "bug_source_code": "use std::io;\n\nfn read_line() -> String {\n    let mut input_line = String::new();\n    io::stdin().read_line(&mut input_line).unwrap();\n    return String::from(input_line.trim());\n}\n\nfn read_line_vec() -> Vec<usize> {\n    return read_line().split(' ')\n        .map(|s| s.parse().unwrap())\n        .collect();\n}\n\n\nfn main() {\n    let n: i32 = read_line().parse().unwrap();\n    let mut vs = read_line_vec();\n\n    vs.sort();\n\n    for i in 2..vs.len() {\n        let pprev = vs[i-2];\n        let prev = vs[i-1];\n        let me = vs[i];\n\n        if me == prev + 1 && pprev + 1 == prev {\n            println!(\"YES\");\n            return;\n        }\n    }\n\n    println!(\"NO\");\n    \n}", "lang": "Rust", "bug_code_uid": "5c97c1e019d8742206f84f54aef646b6", "src_uid": "d6c876a84c7b92141710be5d76536eab", "apr_id": "b8877db835148b6a052f565b5d08c733", "difficulty": 900, "tags": ["brute force", "sortings", "implementation"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "insert", "lang_cluster": "Rust"}
{"similarity_score": 0.7764866712235133, "equal_cnt": 5, "replace_cnt": 1, "delete_cnt": 1, "insert_cnt": 2, "fix_ops_cnt": 4, "bug_source_code": "use std::io;\n\nfn run(s: String){\n    let mut arr: [usize;10] = [0;10];\n\n    for c in s.chars(){\n        let mut x=(c.to_string()).parse::<usize>().unwrap();\n        if x%2==0 && x!=2{\n            arr[2]+=x/2;\n            x-=1;\n        }\n        arr[x]+=1;\n    }\n    for i in (2..10).rev(){\n        for _j in 0..arr[i]{\n            print!(\"{}\",i);\n        }\n    }\n}\nfn main()\n{\n    let mut s1=String::new();\n    let mut s2=String::new();\n    io::stdin().read_line(&mut s1).expect(\"read error\");\n    io::stdin().read_line(&mut s2).expect(\"read error\");\n\n    run(s2.trim().to_string());\n}", "lang": "Rust", "bug_code_uid": "86a8f587842036c0f7aee322e9d8c3cf", "src_uid": "60dbfc7a65702ae8bd4a587db1e06398", "apr_id": "9560b18ab3cba78f0347ba969fc18538", "difficulty": 1400, "tags": ["greedy", "math", "sortings"], "bug_exec_outcome": "RUNTIME_ERROR", "potential_dominant_fix_op": "insert", "lang_cluster": "Rust"}
{"similarity_score": 0.9246785058175138, "equal_cnt": 4, "replace_cnt": 0, "delete_cnt": 0, "insert_cnt": 3, "fix_ops_cnt": 3, "bug_source_code": "use std::io;\n\n\nfn run(s: String){\n    let mut arr: [usize;10] = [0;10];\n\n    for c in s.chars(){\n        let mut x=(c.to_string()).parse::<usize>().unwrap();\n        if x==4 || x==8 || x==6{\n            if x==4{\n                arr[2]+=2;\n            }\n            else if x==8{\n                arr[2]+=3;\n            }\n            else{\n                arr[3]+=1;\n            }\n            x-=1;\n        }\n        arr[x]+=1;\n    }\n    for i in (2..10).rev(){\n        for _j in 0..arr[i]{\n            print!(\"{}\",i);\n        }\n    }\n}\nfn main()\n{\n    let mut s1=String::new();\n    let mut s2=String::new();\n    io::stdin().read_line(&mut s1).expect(\"read error\");\n    io::stdin().read_line(&mut s2).expect(\"read error\");\n\n    run(s2.trim().to_string());\n}", "lang": "Rust", "bug_code_uid": "eb12180bcbc63c89d3c7b6bccf93637d", "src_uid": "60dbfc7a65702ae8bd4a587db1e06398", "apr_id": "9560b18ab3cba78f0347ba969fc18538", "difficulty": 1400, "tags": ["greedy", "math", "sortings"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "insert", "lang_cluster": "Rust"}
{"similarity_score": 0.9987357774968394, "equal_cnt": 2, "replace_cnt": 1, "delete_cnt": 0, "insert_cnt": 0, "fix_ops_cnt": 1, "bug_source_code": "fn main() {\n    let mut s = String::new();\n    std::io::stdin().read_line(&mut s).unwrap();\n    let _n : usize = s.trim().parse().unwrap();\n    s = String::new();\n    std::io::stdin().read_line(&mut s).unwrap();\n    let mut v  = [0,0,0,0];\n    let d = [7,5,3,2];\n    let mut x = s.trim().chars().map(|a| a.to_digit(10).unwrap()).peekable(); \n    while x.peek().is_some() {\n        match x.next().unwrap() {\n          9 => { v[0]+=1; v[2]+=2; v[3]+=3},\n          8 => { v[0]+=1; v[3]+=3; },\n          7 => { v[0]+=1;},\n          6 => { v[1]+=1; v[2]+=1;},\n          5 => { v[1]+=1; },\n          4 => { v[2]+=1; v[3]+=2; },\n          3 => { v[2]+=1; },\n          2 => { v[3]+=1; }\n          _ => {}\n        }\n\n  }\n  for i in 0..4 {\n    for j in 0..v[i] {\n      print!(\"{}\", d[i]);\n    }\n  }\n}\n", "lang": "Rust", "bug_code_uid": "94100861b6a136189e5df4bc678aa383", "src_uid": "60dbfc7a65702ae8bd4a587db1e06398", "apr_id": "534ba49aed73e31874c0e4de4b5a9872", "difficulty": 1400, "tags": ["greedy", "math", "sortings"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "replace", "lang_cluster": "Rust"}
{"similarity_score": 0.9993815708101422, "equal_cnt": 2, "replace_cnt": 0, "delete_cnt": 1, "insert_cnt": 0, "fix_ops_cnt": 1, "bug_source_code": "use std::io::stdin;\n\nfn main() {\n    stdin().read_line(&mut String::new());\n\n    let mut a = String::new();\n    stdin().read_line(&mut a).unwrap();\n    let a = a.trim();\n\n    let mut a: Vec<char> = a\n        .chars()\n        .filter(|x| x != &'0' && x != &'1')\n        .collect();\n\n    let mut c = String::new();\n\n    for i in a {\n        if i == '4' {\n            c.push_str(\"223\");\n        } else if i == '6' {\n            c.push_str(\"53\");\n        } else if i == '8' {\n            c.push_str(\"72222\");\n        } else if i == '9' {\n            c.push_str(\"2337\");\n        } else {\n            c.push(i);\n        }\n    }\n\n    let mut c: Vec<u32> = c.chars().map(|x| x.to_digit(10 as u32).unwrap()).collect();\n\n    c.sort();\n    c.reverse();\n\n    for i in c {\n        print!(\"{}\", i);\n    }\n    println!();\n}\n", "lang": "Rust", "bug_code_uid": "b8546496a65be30267f2b4c87bf7605b", "src_uid": "60dbfc7a65702ae8bd4a587db1e06398", "apr_id": "27acde817c5aec235e64404e06b35057", "difficulty": 1400, "tags": ["greedy", "math", "sortings"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "delete", "lang_cluster": "Rust"}
{"similarity_score": 0.989247311827957, "equal_cnt": 2, "replace_cnt": 0, "delete_cnt": 0, "insert_cnt": 1, "fix_ops_cnt": 1, "bug_source_code": "use std::io;\n\nfn main() {\n    let mut buffer = String::new();\n\n    io::stdin().read_line(&mut buffer)\n        .expect(\"Failed to read from stdin\");\n\n    match buffer.trim().parse::<u32>() {\n        Ok(i) if(i % 2 == 0) => println!(\"YES\"),\n        Ok(i) => println!(\"NO\"),\n        _ => println!(\"Invalid integer\"),\n    }\n}\n", "lang": "Rust", "bug_code_uid": "cea31b39747ef9e5932e86ccfae1b0af", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "b15417f1ee3326fcdf12ad72da138866", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "insert", "lang_cluster": "Rust"}
{"similarity_score": 0.8028169014084507, "equal_cnt": 6, "replace_cnt": 3, "delete_cnt": 0, "insert_cnt": 3, "fix_ops_cnt": 6, "bug_source_code": "#![allow(unused)]\n\nuse std::io::prelude::*;\nuse std::ops::Div;\nuse std::{env, io};\n\nfn main() {\n    let arg: u8 = io::BufReader::new(io::stdin())\n        .lines()\n        .next()\n        .unwrap()\n        .unwrap()\n        .parse()\n        .unwrap();\n    if arg.div(2).trailing_zeros() == 0 {\n        println!(\"NO\");\n    } else {\n        println!(\"YES\");\n    }\n}\n", "lang": "Rust", "bug_code_uid": "d1e73dcf649eb67fa4327ac755b00f71", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "9a41e05761c07fc9f1438de4f34708a7", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "replace", "lang_cluster": "Rust"}
{"similarity_score": 0.8347529812606473, "equal_cnt": 16, "replace_cnt": 3, "delete_cnt": 10, "insert_cnt": 3, "fix_ops_cnt": 16, "bug_source_code": "use std::io;\n\nfn main() {\n    let mut weight = String::new();\n    io::stdin()\n        .read_line(&mut weight)\n        .except(\"Failed\");\n    let weight: u32 = weight.trim().parse().except(\"No Number\");\n    if (weight % 2 ==0){\n        println!(\"YES\");\n        } else {\n        println!(\"NO\");\n    }\n}", "lang": "Rust", "bug_code_uid": "2ffa72e6774492ec8e115d2bc2c0d70b", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "fbe69d9570cabc8504e25d840cd40d1e", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "COMPILATION_ERROR", "potential_dominant_fix_op": "delete", "lang_cluster": "Rust"}
{"similarity_score": 0.9982608695652174, "equal_cnt": 2, "replace_cnt": 0, "delete_cnt": 1, "insert_cnt": 0, "fix_ops_cnt": 1, "bug_source_code": "use std::io;\nfn main() {\n    let mut weight = String::new();\n    io::stdin().read_line(&mut weight).expect(\"Failure\");\n    let weight : u32 = weight.trim().parse().expect(\"No Number\");\n    if (weight%2==0 && weight>=2) {\n        println!(\"YES\")\n    } else{\n        println!(\"NO\")\n    }\n}\n", "lang": "Rust", "bug_code_uid": "53f99f521190681245bf0da8b073f768", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "fbe69d9570cabc8504e25d840cd40d1e", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "delete", "lang_cluster": "Rust"}
{"similarity_score": 0.8708487084870848, "equal_cnt": 2, "replace_cnt": 1, "delete_cnt": 0, "insert_cnt": 0, "fix_ops_cnt": 1, "bug_source_code": "use std::io::{Read, stdin};\n\nfn main() {\n    let mut s = String::new();\n    stdin().read_line(&mut s).unwrap();\n    let n : u32 = s.trim().parse();\n    if n % 2 == 0 {\n        println!(\"YES\");\n    }\n    else {\n        println!(\"NO\");\n    }\n}", "lang": "Rust", "bug_code_uid": "0a5135db59adab2c594415a2e5a02755", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "7c1b3780c569987f4d2d8287cf603a02", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "COMPILATION_ERROR", "potential_dominant_fix_op": "replace", "lang_cluster": "Rust"}
{"similarity_score": 0.9074410163339383, "equal_cnt": 2, "replace_cnt": 0, "delete_cnt": 0, "insert_cnt": 1, "fix_ops_cnt": 1, "bug_source_code": "use std::io::{Read, stdin};\n\nfn main() {\n    let mut s = String::new();\n    stdin().read_line(&mut s).unwrap();\n    let n : u32 = s.trim().parse().unwrap();\n    if n % 2 == 0 {\n        println!(\"YES\");\n    }\n    else {\n        println!(\"NO\");\n    }\n}", "lang": "Rust", "bug_code_uid": "a28befea1276227371847f771d19f38e", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "7c1b3780c569987f4d2d8287cf603a02", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "insert", "lang_cluster": "Rust"}
{"similarity_score": 0.42424242424242425, "equal_cnt": 13, "replace_cnt": 5, "delete_cnt": 1, "insert_cnt": 7, "fix_ops_cnt": 13, "bug_source_code": "fn main() {\n\n    use scan::Scan;\n    let mut scanner = scan::from_stdin();\n    let n = scanner.next::<i32>();\n    if (n % 2 == 0){\n        println!(\"YES\");\n    }\n    else {\n        println!(\"NO\");\n    }\n}", "lang": "Rust", "bug_code_uid": "01b19a809e931441742ef37a9c84798f", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "b05ce59d7d7fe7ef1dc39fec8413c9fb", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "COMPILATION_ERROR", "potential_dominant_fix_op": "insert", "lang_cluster": "Rust"}
{"similarity_score": 0.8805460750853242, "equal_cnt": 13, "replace_cnt": 3, "delete_cnt": 1, "insert_cnt": 9, "fix_ops_cnt": 13, "bug_source_code": "use std::io;\n\nfn main() {\n\n    let mut input = String::new();\n    io::stdin().read_line(&mut input).unwrap();\n    let n: i32 = input.trim().parse().unwrap();\n\n    if n % 2 == 0 && n >= 2 {\n        println!(\"YES\");\n    }\n    else {\n        println!(\"NO\");\n    }\n}", "lang": "Rust", "bug_code_uid": "a195a96275d91504e65c83dd05687f52", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "b05ce59d7d7fe7ef1dc39fec8413c9fb", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "insert", "lang_cluster": "Rust"}
{"similarity_score": 0.9137614678899083, "equal_cnt": 2, "replace_cnt": 0, "delete_cnt": 0, "insert_cnt": 1, "fix_ops_cnt": 1, "bug_source_code": "use std::io;\n\nfn main() {\n    let mut input = String::new();\n    io::stdin().read_line(&mut input).unwrap();\n    let n = input.trim().parse::<u32>().unwrap();\n    if n % 2 == 0 {\n        println!(\"YES\");\n    } else {\n        println!(\"NO\");\n    }\n}\n", "lang": "Rust", "bug_code_uid": "4820c48d31169877a90550cb8358e46e", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "ba4409efb7fd5577e7aa9fe069c59683", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "insert", "lang_cluster": "Rust"}
{"similarity_score": 0.8597122302158273, "equal_cnt": 4, "replace_cnt": 2, "delete_cnt": 0, "insert_cnt": 2, "fix_ops_cnt": 4, "bug_source_code": "use std::io;\n\nfn main() {\n\tlet mut inp = String::new();\n\tio::stdin().read_line(&mut inp).expect(\"error while reading input\");\n\tlet mut inp: i32 = inp.trim().parse().unwrap();\n\tif (inp - 2) % 2 == 0 {\n\t\tprintln!(\"YES\");\n\t} else {\n\t\tprintln!(\"NO\");\n\t}\n}\n", "lang": "Rust", "bug_code_uid": "d2d588a0e475ada7477ce135a8d29d46", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "3dcaf538a5c4d6ef82bc68f981fdb8cd", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "replace", "lang_cluster": "Rust"}
{"similarity_score": 0.9644128113879004, "equal_cnt": 2, "replace_cnt": 0, "delete_cnt": 0, "insert_cnt": 1, "fix_ops_cnt": 1, "bug_source_code": "use std::io::{ stdin };\n\nfn main() {\n    let mut input_string = String::new();\n    stdin().read_line(&mut input_string).expect(\"\");\n    let input_number: i32 = input_string.trim().parse().unwrap();    \n    println!(\"{}\", if (input_number % 2) == 0 {\"YES\"} else {\"NO\"});\n}", "lang": "Rust", "bug_code_uid": "afc8bb416ea13dfbb2e3fd70b5e2d231", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "cdc9e8b8123f80969bb00d96463b0e50", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "insert", "lang_cluster": "Rust"}
{"similarity_score": 0.9216867469879518, "equal_cnt": 2, "replace_cnt": 0, "delete_cnt": 0, "insert_cnt": 1, "fix_ops_cnt": 1, "bug_source_code": "use std::io;\n\nfn main() {\n    let mut input = String::new();\n\n    io::stdin().read_line(&mut input).unwrap();\n    let num: i8 = input.trim().parse().unwrap();\n    watermelon(num);\n}\n\nfn watermelon(weight: i8) {\n    if weight % 2 == 0 {\n        println!(\"YES\"); \n    } else {\n        println!(\"NO\");\n    }\n}", "lang": "Rust", "bug_code_uid": "ced54d383e64f31175446326f0b804f7", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "c255f0844816a9d1fda175875a7d0f59", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "insert", "lang_cluster": "Rust"}
{"similarity_score": 0.9936507936507937, "equal_cnt": 3, "replace_cnt": 2, "delete_cnt": 0, "insert_cnt": 0, "fix_ops_cnt": 2, "bug_source_code": "fn readln() -> String {\n    let stdin = std::io::stdin();\n    let mut line = String::new();\n    stdin.read_line(&mut line).unwrap();\n    return String::from(line.trim());\n}\n\nfn main() {\n    let weight: i32 = readln().parse().unwrap();\n    println!(\"{}\", if weight > 0 && weight % 4 == 0 { \"YES\" } else { \"NO\" });\n}\n", "lang": "Rust", "bug_code_uid": "025ed3bd088ff9730c0e5c784ad47518", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "27dabe8c67c5ec12fec9085b457283c6", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "replace", "lang_cluster": "Rust"}
{"similarity_score": 0.9104477611940298, "equal_cnt": 7, "replace_cnt": 2, "delete_cnt": 2, "insert_cnt": 2, "fix_ops_cnt": 6, "bug_source_code": "use std::io;\n\nfn main() {\n    let mut stdin = io::stdin();\n    let mut stdin = stdin.lock();\n    \n    let mut line = String::new();\n    stdin::read_line(&mut line);\n    \n    let parsed: usize = line.parse().unwrap();\n    \n    if parsed & 1 == 1 {\n        println!(\"YES\");\n    } else {\n        println!(\"NO\");\n    }\n}", "lang": "Rust", "bug_code_uid": "b2af8bcd57a984c7fd5480ba97c9966a", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "590a6e200f04a339d9391c843dff5bf7", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "COMPILATION_ERROR", "potential_dominant_fix_op": "replace", "lang_cluster": "Rust"}
{"similarity_score": 0.9470672389127325, "equal_cnt": 6, "replace_cnt": 1, "delete_cnt": 3, "insert_cnt": 1, "fix_ops_cnt": 5, "bug_source_code": "use std::io;\nuse std::io::BufRead;\n    \nfn main() {\n    let mut stdin = io::stdin();\n    let mut stdin = stdin.lock();\n\n    let mut line = String::new();\n    stdin.read_line(&mut line);\n        \n    let parsed: usize = line.parse().unwrap();\n        \n    if parsed & 1 == 1 {\n        println!(\"YES\");\n    } else {\n        println!(\"NO\");\n    }\n}", "lang": "Rust", "bug_code_uid": "2cd7adaeeb0dd3a0c940b03c5ad44aea", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "590a6e200f04a339d9391c843dff5bf7", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "RUNTIME_ERROR", "potential_dominant_fix_op": "delete", "lang_cluster": "Rust"}
{"similarity_score": 0.9783549783549783, "equal_cnt": 2, "replace_cnt": 0, "delete_cnt": 0, "insert_cnt": 1, "fix_ops_cnt": 1, "bug_source_code": "use std::io;\nuse std::io::BufRead;\n   \nfn main() {\n    let mut stdin = io::stdin();\n    let mut stdin = stdin.lock();\n\n    let mut line = String::new();\n    stdin.read_line(&mut line);\n\n    let parsed: usize = line.trim().parse().unwrap();\n    \n    if parsed & 1 == 0 {\n        println!(\"YES\");\n    } else {\n        println!(\"NO\");\n    }\n}", "lang": "Rust", "bug_code_uid": "c881f2417ce2ede61b24cf76a5234da2", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "590a6e200f04a339d9391c843dff5bf7", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "insert", "lang_cluster": "Rust"}
{"similarity_score": 0.9825783972125436, "equal_cnt": 2, "replace_cnt": 0, "delete_cnt": 0, "insert_cnt": 1, "fix_ops_cnt": 1, "bug_source_code": "use std::io::{self, Read, Write};\n\nfn main() {\n    let mut stdin  = io::stdin();\n    let mut stdout = io::stdout();\n\n    let mut weight_string = String::new();\n    stdin.read_to_string(&mut weight_string).unwrap();\n\n    let weight = weight_string.trim_end().parse::<i32>().unwrap();\n\n    if weight % 2 == 0 {\n        stdout.write_all(b\"YES\\n\").unwrap();\n    }\n    else {\n        stdout.write_all(b\"NO\\n\").unwrap();\n    }\n}\n", "lang": "Rust", "bug_code_uid": "0653f2db88d46e697a1424a3c0afb837", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "c316d3f02ac5accd9cc787357c75199d", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "insert", "lang_cluster": "Rust"}
{"similarity_score": 0.9202037351443124, "equal_cnt": 2, "replace_cnt": 0, "delete_cnt": 0, "insert_cnt": 1, "fix_ops_cnt": 1, "bug_source_code": "use std::io;\n\nfn main() {\n    let stdin = io::stdin();\n    let mut s = String::with_capacity(10);\n    let _ = stdin.read_line(&mut s);\n\n    let n = s.trim().parse::<u8>().unwrap();\n\n    if n % 2 == 0 {\n        println!(\"YES\");\n    } else {\n        println!(\"NO\");\n    }\n}", "lang": "Rust", "bug_code_uid": "1914b9bb19b39c069f819e1585b422a1", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "065f2f588e5a73fd5344bb5701a78ae6", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "insert", "lang_cluster": "Rust"}
{"similarity_score": 0.9791666666666666, "equal_cnt": 2, "replace_cnt": 0, "delete_cnt": 0, "insert_cnt": 1, "fix_ops_cnt": 1, "bug_source_code": "use std::io;\n\nfn main() {\n    let mut w = String::new();\n    io::stdin().read_line(&mut w).unwrap();\n    let w: u8 = w.trim().parse().unwrap();\n\n    if w % 2 == 0 {\n        println!(\"YES\");\n    } else {\n        println!(\"NO\");\n    }\n}\n", "lang": "Rust", "bug_code_uid": "7efee164af36357cf3030205cec28bcd", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "be58980f88c5081511d77b030e340676", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "insert", "lang_cluster": "Rust"}
{"similarity_score": 0.9983416252072969, "equal_cnt": 2, "replace_cnt": 0, "delete_cnt": 1, "insert_cnt": 0, "fix_ops_cnt": 1, "bug_source_code": "use std::io;\nfn main() {\n    let mut input = String::new();\n\n    io::stdin().read_line(&mut input).expect(\"Invalid input\");\n\n    let input: u32 = input.trim().parse().expect(\"Not an integer\");\n\n    if input % 2 == 0 && input >= 2 {\n        println!(\"YES\");\n    } else {\n        println!(\"NO\");\n    }\n}\n", "lang": "Rust", "bug_code_uid": "3580ff20a78d0d085dce014952ae6e1b", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "cbeff706f11215659136779de1642318", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "delete", "lang_cluster": "Rust"}
{"similarity_score": 0.2816593886462882, "equal_cnt": 18, "replace_cnt": 11, "delete_cnt": 3, "insert_cnt": 4, "fix_ops_cnt": 18, "bug_source_code": "use std::io;\nfn main() {\n\n\tlet mut guess = String::new();\n\n\tio::stdin()\n\t\t.read_line(&mut guess)\n\n\t\t.expect(\"failed to read line\");\n\t\t// Convert the string input into int32\n\t//let guess: i32 = guess.trim().parse().expect(\"invalid input\");\n\t//let guess =guess.trim().parse::<i32>().expect(\"invalid input\");\n\t\tif let Ok(guess) = guess.trim().parse::<i32>(){\n\n\n\t\tif (guess % 2) == 0 {\n\t\t\tprintln!(\"YES\");\n\t\t\n\t\t}\n\t\telse{\n\n\tprintln!(\"NO\" );}\n}}\n", "lang": "Rust", "bug_code_uid": "fbd6b1e15ee6f10cdd412c1a824a9579", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "3d05c98793ff3f069db4360af94b5cf5", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "replace", "lang_cluster": "Rust"}
{"similarity_score": 0.9491525423728814, "equal_cnt": 3, "replace_cnt": 1, "delete_cnt": 0, "insert_cnt": 1, "fix_ops_cnt": 2, "bug_source_code": "use std::io;\n\nfn main() {\n    let mut n = String::new();\n    io::stdin()\n        .read_line(&mut n)\n        .expect(\"\u041e\u0448\u0438\u0431\u043a\u0430 \u043f\u0440\u0438 \u0447\u0442\u0435\u043d\u0438\u0438 \u0441\u0442\u0440\u043e\u043a\u0438\");\n    let n: u32 = match n.trim().parse() {\n        Ok(num) => num,\n        Err(_) => return\n    };\n    match n & 1 == 0 {\n        true => println!(\"YES\"),\n        false => println!(\"NO\")\n    }\n}\n", "lang": "Rust", "bug_code_uid": "69a0ab7a566b4d602ce95e01b45d401c", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "7ff18c65166a27306c6ba7f5375adbf0", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "replace", "lang_cluster": "Rust"}
{"similarity_score": 0.997134670487106, "equal_cnt": 2, "replace_cnt": 1, "delete_cnt": 0, "insert_cnt": 0, "fix_ops_cnt": 1, "bug_source_code": "use std::io;\n\nfn main() {\n    let mut n = String::new();\n    io::stdin()\n        .read_line(&mut n)\n        .expect(\"\u041e\u0448\u0438\u0431\u043a\u0430 \u043f\u0440\u0438 \u0447\u0442\u0435\u043d\u0438\u0438 \u0441\u0442\u0440\u043e\u043a\u0438\");\n    let n: u32 = match n.trim().parse() {\n        Ok(num) => num,\n        Err(_) => return\n    };\n    match n & 2 == 0 && n != 2 {\n        true => println!(\"YES\"),\n        false => println!(\"NO\")\n    }\n}\n", "lang": "Rust", "bug_code_uid": "9f7e326c279a06967d32dd2709ca96d5", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "7ff18c65166a27306c6ba7f5375adbf0", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "replace", "lang_cluster": "Rust"}
{"similarity_score": 0.9986130374479889, "equal_cnt": 2, "replace_cnt": 0, "delete_cnt": 1, "insert_cnt": 0, "fix_ops_cnt": 1, "bug_source_code": "fn main() {\nlet mut melon = String::new();\nstd::io::stdin().read_line(&mut melon)\n                .expect(\"Failed to read line\");\n\nlet _melon = melon\n                .trim()\n                .parse::<u32>().unwrap();\nif melon % 2 == 0 {\n    if melon != 2 {\n        println!(\"YES\");\n    }\n    else {\n        println!(\"NO\");\n    }\n}\nelse {\n    println!(\"NO\");\n}\n}\n", "lang": "Rust", "bug_code_uid": "ecaba8e6179b959c747d76b377ec636d", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "70630a2c3aa6bb912dc8849f3ff65440", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "COMPILATION_ERROR", "potential_dominant_fix_op": "delete", "lang_cluster": "Rust"}
{"similarity_score": 0.9781818181818182, "equal_cnt": 2, "replace_cnt": 0, "delete_cnt": 0, "insert_cnt": 1, "fix_ops_cnt": 1, "bug_source_code": "use std::io;\n\nfn main() {\n    let mut val = String::new();\n    io::stdin().read_line(&mut val).unwrap();\n\n    let val: u32 = val.trim().parse().unwrap();\n\n    let output = if val % 2 == 0 {\n        \"YES\" \n    } else {\n        \"NO\"\n    };\n\n    println!(\"{}\", output);\n}\n", "lang": "Rust", "bug_code_uid": "236b2cb885eb66e0329aa63b4daf10bf", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "81b071f892d60ab22370af9363ed8f8a", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "insert", "lang_cluster": "Rust"}
{"similarity_score": 0.9653767820773931, "equal_cnt": 2, "replace_cnt": 0, "delete_cnt": 0, "insert_cnt": 1, "fix_ops_cnt": 1, "bug_source_code": "use std::io;\nfn main() {\n    let mut N = String::new();\n    io::stdin().read_line(&mut N).ok();\n    let N: i32 = N.trim().parse();\n    if  N % 2 == 0 && N > 2{\n        println !(\"YES\");\n    }else{\n            println!(\"NO\");\n         }\n}", "lang": "Rust", "bug_code_uid": "8e8f3ca46abb4fbcb1b4da6c09674fde", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "437dc2f795ce9d841706fd3ee85289d6", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "COMPILATION_ERROR", "potential_dominant_fix_op": "insert", "lang_cluster": "Rust"}
{"similarity_score": 0.9098901098901099, "equal_cnt": 3, "replace_cnt": 0, "delete_cnt": 0, "insert_cnt": 3, "fix_ops_cnt": 3, "bug_source_code": "use std::io;\n\nfn main() {\nlet mut w = String::new();\n\nio::stdin().read_line(&mut w).expect(\"Error\");\n\nlet w: i32 = w.trim().parse().unwrap();\n\nif w%2 == 0 {\n\tprintln!(\"YES\");\n\t}\nelse {\n\tprintln!(\"NO\");\n\t}\n\n}", "lang": "Rust", "bug_code_uid": "195859164251bed5fa9504b6cb89e6d3", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "83961a19131d9d04193a0136f9ffdf40", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "insert", "lang_cluster": "Rust"}
{"similarity_score": 0.9758620689655172, "equal_cnt": 2, "replace_cnt": 0, "delete_cnt": 0, "insert_cnt": 1, "fix_ops_cnt": 1, "bug_source_code": "use std::io;\n\nfn main() {\n    let mut weight_string = String::new();\n    io::stdin().read_line(&mut weight_string).unwrap();\n    let weight = weight_string.trim().parse::<u32>().unwrap();\n\n    if weight % 2 == 0 {\n        println!(\"YES\");\n    } else {\n        println!(\"NO\");\n    }\n}", "lang": "Rust", "bug_code_uid": "d04bf0eb4db42301adf8bb5c8b89e58b", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "f497353b3b3e3c0e569c5c9b6459f1b5", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "insert", "lang_cluster": "Rust"}
{"similarity_score": 0.996415770609319, "equal_cnt": 3, "replace_cnt": 1, "delete_cnt": 0, "insert_cnt": 1, "fix_ops_cnt": 2, "bug_source_code": "use std::io;\n\n\nfn main() {\n    let mut input = String::new();\n    io::stdin().read_line(&mut input).unwrap();\n    let num: i32 = input.trim().parse().unwrap();\n    let mut ans: bool = false;\n    \n    for i in 0..num {\n        if i % 2 == 0 && (num - i) % 2 == 0 && (num - i) > 0{\n            ans = true;\n        }\n    }\n    if ans == true {\n        println!(\"YES\")\n        \n    } else {\n        println!(\"NO\")\n    }\n}\n", "lang": "Rust", "bug_code_uid": "d48397a540ccab80ae8fbef468c2c9f6", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "a11ea9e5d73e16d1a5e79d9f73bb3f2c", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "replace", "lang_cluster": "Rust"}
{"similarity_score": 0.9355191256830601, "equal_cnt": 3, "replace_cnt": 1, "delete_cnt": 1, "insert_cnt": 1, "fix_ops_cnt": 3, "bug_source_code": "extern crate utils;\nuse std::io;\nuse utils::*;\n\npub fn read_line() -> String {\n    let mut input = String::new();\n    io::stdin()\n        .read_line(&mut input)\n        .expect(\"error: unable to read user input\");\n    input[0..input.len() - 1].to_string()\n}\n\nfn main() {\n    let input = read_line().parse::<i32>().unwrap();\n    if input <= 2 {\n        println!(\"NO\");\n    } else if input % 2 == 0 {\n        println!(\"YES\");\n    } else {\n        println!(\"NO\");\n    }\n}\n", "lang": "Rust", "bug_code_uid": "b0c3b6b01db64602da969c96533b015c", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "2e35de4077f6ae2a154716e3db366429", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "COMPILATION_ERROR", "potential_dominant_fix_op": "replace", "lang_cluster": "Rust"}
{"similarity_score": 0.9647058823529412, "equal_cnt": 3, "replace_cnt": 0, "delete_cnt": 0, "insert_cnt": 2, "fix_ops_cnt": 2, "bug_source_code": "use std::io;\n\nfn main() {\n    let mut input = String::default();\n    io::stdin().read_line(&mut input).unwrap();\n    let val = input.parse::<i32>().unwrap();\n    if val % 2 == 0 {\n        print!(\"YES\");\n    } else {\n        print!(\"NO\");\n    }\n}\n", "lang": "Rust", "bug_code_uid": "754750474117ba3772621be45d8c6358", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "0f8e8e25646565ee35531d375d259402", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "RUNTIME_ERROR", "potential_dominant_fix_op": "insert", "lang_cluster": "Rust"}
{"similarity_score": 0.9787234042553191, "equal_cnt": 2, "replace_cnt": 0, "delete_cnt": 0, "insert_cnt": 1, "fix_ops_cnt": 1, "bug_source_code": "use std::io;\n\nfn main() {\n    let mut input = String::default();\n    io::stdin().read_line(&mut input).unwrap();\n    let val = input.trim().parse::<i32>().unwrap();\n    if val % 2 == 0 {\n        print!(\"YES\");\n    } else {\n        print!(\"NO\");\n    }\n}\n", "lang": "Rust", "bug_code_uid": "bed4f70346d381b920ce68526c5233d6", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "0f8e8e25646565ee35531d375d259402", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "insert", "lang_cluster": "Rust"}
{"similarity_score": 0.9933862433862434, "equal_cnt": 2, "replace_cnt": 0, "delete_cnt": 0, "insert_cnt": 1, "fix_ops_cnt": 1, "bug_source_code": "use std::io::{BufWriter, stdin, stdout, Write};\n\n#[derive(Default)]\nstruct Scanner {\n    buffer: Vec<String>\n}\nimpl Scanner {\n    fn next<T: std::str::FromStr>(&mut self) -> T {\n        loop {\n            if let Some(token) = self.buffer.pop() {\n                return token.parse().ok().expect(\"Failed parse\");\n            }\n            let mut input = String::new();\n            stdin().read_line(&mut input).expect(\"Failed read\");\n            self.buffer = input.split_whitespace().rev().map(String::from).collect();\n        }\n    }\n}\n\nfn main() {\n    let mut scan = Scanner::default();\n    let out = &mut BufWriter::new(stdout());\n\n    let n = scan.next::<u64>();\n\n    writeln!(out, \"{}\", if n % 2 == 0 { \"YES\" } else { \"NO\" } ).expect(\"fail\");\n}\n", "lang": "Rust", "bug_code_uid": "f45e1b0f90f3d54c410dfc383d1892e1", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "9045cac84502a101bc4134f018761e12", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "insert", "lang_cluster": "Rust"}
{"similarity_score": 0.9655172413793104, "equal_cnt": 7, "replace_cnt": 3, "delete_cnt": 1, "insert_cnt": 2, "fix_ops_cnt": 6, "bug_source_code": "use std::io::{self, prelude::*};\nuse std::str;\n\n#[allow(unused_must_use)]\nfn run<B: BufRead, W: Write>(mut reader: Scanner<B>, mut writer: W) {\n    let weight: i64 = reader.token();\n    if weight & 1 != 0 {\n        writeln!(writer, \"NO\");\n        return;\n    }\n\n    if weight >> 1 & 1 == 0 {\n        writeln!(writer, \"YES\");\n    } else {\n        writeln!(writer, \"NO\");\n    }\n}\n\nfn main() {\n    let stdin = io::stdin();\n    let stdout = io::stdout();\n\n    let reader = Scanner::new(stdin.lock());\n    let writer = io::BufWriter::new(stdout.lock());\n    run(reader, writer);\n}\n\npub struct Scanner<B> {\n    reader: B,\n    buffer_string: Vec<u8>,\n    buffer_iterator: str::SplitWhitespace<'static>,\n}\n\nimpl <B: BufRead> Scanner<B> {\n    pub fn new(reader: B) -> Self {\n        return Self {\n            reader,\n            buffer_string: Vec::new(),\n            buffer_iterator: \"\".split_whitespace()\n        };\n    }\n\n    pub fn token<T: str::FromStr>(&mut self) -> T {\n        loop {\n            //if buffer already exists, just use existing buffer\n            if let Some(token) = self.buffer_iterator.next() {\n                return token.parse().ok().expect(\"Fail to parse token\");\n            }\n\n            //get new line\n            self.buffer_string.clear();\n            self.reader.read_until(b'\\n', &mut self.buffer_string).expect(\"Failed to read\");\n\n            //split by white space\n            self.buffer_iterator = unsafe {\n                let slice = str::from_utf8_unchecked(&self.buffer_string);\n                std::mem::transmute(slice.split_whitespace())\n            };\n        }\n    }\n}", "lang": "Rust", "bug_code_uid": "99782593962a06b744820ffeec84b6ed", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "22534788203d5eb18b9ff85b212b8ed7", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "replace", "lang_cluster": "Rust"}
{"similarity_score": 0.9172932330827067, "equal_cnt": 2, "replace_cnt": 0, "delete_cnt": 0, "insert_cnt": 1, "fix_ops_cnt": 1, "bug_source_code": "use std::io::stdin;\n\nfn main() {\n    let mut input = String::new();\n    stdin().read_line(&mut input).unwrap();\n\n    let n: u8 = input.trim().parse().unwrap();\n\n    if n >= 1 && n <= 100 {\n        if n % 2 == 0 {\n            println!(\"YES\");\n        } else {\n            println!(\"NO\");\n        }\n    }\n}\n", "lang": "Rust", "bug_code_uid": "936137b8e913509b5651504ce98369b2", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "42df955350dc46c16992ebb4ccc304f7", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "insert", "lang_cluster": "Rust"}
{"similarity_score": 0.9942492012779552, "equal_cnt": 3, "replace_cnt": 1, "delete_cnt": 1, "insert_cnt": 0, "fix_ops_cnt": 2, "bug_source_code": "//! http://codeforces.com/problemset/problem/4/A\n\n#[macro_export]\nmacro_rules! scanln {\n  ($($var:ident : $ty:path),+) => {\n    $(let $var: $ty;)+\n    {\n      use std::io;\n      let mut __buf = String::new();\n      io::stdin().read_line(&mut __buf).unwrap();\n      let mut eles = __buf.split_whitespace();\n      $($var = Scan::scan(&mut eles);)+\n    }\n  }\n}\n\npub trait Scan {\n  fn scan<'a, I>(eles: &mut I) -> Self where I: Iterator<Item=&'a str>;\n}\n\nmacro_rules! impl_scan_single {\n  ($ty:ty) => {\n    impl Scan for $ty {\n      fn scan<'a, I>(eles: &mut I) -> Self where I: Iterator<Item=&'a str> {\n        let next = eles.next().unwrap();\n        match next.parse() {\n          Ok(res) => res,\n          Err(_) => panic!()\n        }\n      }\n    }\n  }\n}\n\nimpl_scan_single!(u8);\nimpl_scan_single!(u16);\nimpl_scan_single!(u32);\nimpl_scan_single!(u64);\nimpl_scan_single!(usize);\nimpl_scan_single!(i8);\nimpl_scan_single!(i16);\nimpl_scan_single!(i32);\nimpl_scan_single!(i64);\nimpl_scan_single!(isize);\nimpl_scan_single!(f32);\nimpl_scan_single!(f64);\nimpl_scan_single!(String);\n\nconst __IMPL_SCAN_FOR_VEC: () = {\n  use std::str::FromStr;\n  impl<T> Scan for Vec<T> where T: FromStr {\n    fn scan<'a, I>(eles: &mut I) -> Self where I: Iterator<Item=&'a str> {\n      eles.map(|str| match str.parse() {\n        Ok(res) => res,\n        Err(_) => panic!()\n      }).collect()\n    }\n  }\n};\n\n// -----------------------------------------------------------------------------\n\nfn main() {\n  scanln!(n: u32);\n  println!(\"{}\", if n % 2 == 0 && (n / 2) % 2 == 0 { \"YES\" } else { \"NO\" });\n}\n", "lang": "Rust", "bug_code_uid": "3f8c86e0dae0957dfc907592f458211c", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "4f8cb4b45235ca67d3fb8f60228565e6", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "replace", "lang_cluster": "Rust"}
{"similarity_score": 0.9976448422044277, "equal_cnt": 2, "replace_cnt": 0, "delete_cnt": 0, "insert_cnt": 1, "fix_ops_cnt": 1, "bug_source_code": "#[allow(unused_imports)]\nuse std::cmp::*;\n#[allow(unused_imports)]\nuse std::collections::*;\nuse std::io::{Write, BufWriter};\n// https://qiita.com/tanakh/items/0ba42c7ca36cd29d0ac8\nmacro_rules! input {\n    ($($r:tt)*) => {\n        let stdin = std::io::stdin();\n        let mut bytes = std::io::Read::bytes(std::io::BufReader::new(stdin.lock()));\n        let mut next = move || -> String{\n            bytes\n                .by_ref()\n                .map(|r|r.unwrap() as char)\n                .skip_while(|c|c.is_whitespace())\n                .take_while(|c|!c.is_whitespace())\n                .collect()\n        };\n        input_inner!{next, $($r)*}\n    };\n}\n \nmacro_rules! input_inner {\n    ($next:expr) => {};\n    ($next:expr, ) => {};\n \n    ($next:expr, $var:ident : $t:tt $($r:tt)*) => {\n        let $var = read_value!($next, $t);\n        input_inner!{$next $($r)*}\n    };\n}\n\nmacro_rules! read_value {\n    ($next:expr, ( $($t:tt),* )) => {\n        ( $(read_value!($next, $t)),* )\n    };\n \n    ($next:expr, [ $t:tt ; $len:expr ]) => {\n        (0..$len).map(|_| read_value!($next, $t)).collect::<Vec<_>>()\n    };\n \n    ($next:expr, chars) => {\n        read_value!($next, String).chars().collect::<Vec<char>>()\n    };\n \n    ($next:expr, usize1) => {\n        read_value!($next, usize) - 1\n    };\n \n    ($next:expr, [ $t:tt ]) => {{\n        let len = read_value!($next, usize);\n        (0..len).map(|_| read_value!($next, $t)).collect::<Vec<_>>()\n    }};\n \n    ($next:expr, $t:ty) => {\n        $next().parse::<$t>().expect(\"Parse error\")\n    };\n}\n\nfn solve() {\n    let out = std::io::stdout();\n    let mut out = BufWriter::new(out.lock());\n    macro_rules! puts {\n        ($($format:tt)*) => (let _ = write!(out,$($format)*););\n    }\n    input! {\n        n: i64\n    }\n    \n    if n % 2 == 0 {\n        puts!(\"{}\\n\", \"YES\");\n    } else {\n        puts!(\"{}\\n\", \"NO\");\n    }\n}\n\nfn main() {\n    // In order to avoid potential stack overflow, spawn a new thread.\n    let stack_size = 104_857_600; // 100 MB\n    let thd = std::thread::Builder::new().stack_size(stack_size);\n    thd.spawn(|| solve()).unwrap().join().unwrap();\n}", "lang": "Rust", "bug_code_uid": "cbf335296499a661238e687c2bcbad8a", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "fc749142d43d4d079c1a3a52c7549878", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "insert", "lang_cluster": "Rust"}
{"similarity_score": 0.814299900695134, "equal_cnt": 5, "replace_cnt": 1, "delete_cnt": 1, "insert_cnt": 2, "fix_ops_cnt": 4, "bug_source_code": "use std::io;\n\nfn main() {\n    let mut weight = String::new();\n    io::stdin()\n       .read_line(&mut weight)\n       .expect(\"Failed to read line\");\n    let weight: u32 = weight.trim().parse().expect(\"Please type a number\");\n    let limit: u32 = weight / 2;\n    let mut x = 2;\n    while x <= limit {\n        let newweight = weight - x;\n        if newweight % 2 == 0 {\n            println!(\"YES\");\n            break;\n        }\n        x = x + 2;\n    }\n}", "lang": "Rust", "bug_code_uid": "76a153c6aa2dea00bf19047563c7475b", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "7a031c0f09bed7e0c0f04d1506739a3d", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "insert", "lang_cluster": "Rust"}
{"similarity_score": 0.5413533834586466, "equal_cnt": 8, "replace_cnt": 7, "delete_cnt": 0, "insert_cnt": 1, "fix_ops_cnt": 8, "bug_source_code": "use std::io::{self, Write};\n\nfn main() {\n\tlet mut input = String::new();\n    io::stdin().read_line(&mut input).unwrap();\n\n    if input.parse::<i32>().unwrap() % 2 == 0 {\n    \tio::stdout().write_all(b\"YES\").unwrap();\n    } else {\n    \tio::stdout().write_all(b\"NO\").unwrap();\n    }\n}", "lang": "Rust", "bug_code_uid": "ce6d98c90ea252d330c8e065b7d87be6", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "6d474ce68008951f195e8034664d2034", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "RUNTIME_ERROR", "potential_dominant_fix_op": "replace", "lang_cluster": "Rust"}
{"similarity_score": 0.984251968503937, "equal_cnt": 3, "replace_cnt": 1, "delete_cnt": 1, "insert_cnt": 0, "fix_ops_cnt": 2, "bug_source_code": "use std::io::{self, Write};\n\nfn main() {\n    let mut s = String::new();\n\tio::stdin().read_line(&mut s).unwrap();\n\n\tlet n = s.trim().parse::<i32>().unwrap();\n\n    if n & 2 == 0 && n != 2 {\n    \tprintln!(\"YES\");\n    }\n    } else {\n    \tprintln!(\"NO\");\n    }\n}", "lang": "Rust", "bug_code_uid": "240579310b09e38676342cd4d6bc2e0d", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "6d474ce68008951f195e8034664d2034", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "COMPILATION_ERROR", "potential_dominant_fix_op": "replace", "lang_cluster": "Rust"}
{"similarity_score": 0.9960159362549801, "equal_cnt": 2, "replace_cnt": 1, "delete_cnt": 0, "insert_cnt": 0, "fix_ops_cnt": 1, "bug_source_code": "use std::io::{self, Write};\n\nfn main() {\n    let mut s = String::new();\n\tio::stdin().read_line(&mut s).unwrap();\n\n\tlet n = s.trim().parse::<i32>().unwrap();\n\n    if n & 2 == 0 && n != 2 {\n    \tprintln!(\"YES\");\n    } else {\n    \tprintln!(\"NO\");\n    }\n}", "lang": "Rust", "bug_code_uid": "120bfbeed480fb95487bb2a9876c3a9b", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "6d474ce68008951f195e8034664d2034", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "replace", "lang_cluster": "Rust"}
{"similarity_score": 0.9990714948932219, "equal_cnt": 2, "replace_cnt": 0, "delete_cnt": 0, "insert_cnt": 1, "fix_ops_cnt": 1, "bug_source_code": "use std::io::prelude::*;\nuse std::io::BufReader;\n#[allow(unused_imports)]\nuse std::fs::File;\n\nstruct Scanner<T: Read> {\n\tlines: std::io::Lines<BufReader<T>>\n}\nimpl<T: Read> Scanner<T> {\n\tfn new(source: T) -> Scanner<T> {\n\t\tScanner {\n\t\t\tlines: BufReader::new(source).lines()\n\t\t}\n\t}\t\n\tfn read_line(&mut self) -> String { self.lines.next().unwrap().unwrap() }\n}\nfn main() {\n\tlet mut input = Scanner::new(std::io::stdin());\n\tlet n: usize = input.read_line().parse().unwrap();\n\tprintln!(\"{}\", if n > 4 && n % 2 == 0 { \"YES\" } else { \"NO\" });\n}", "lang": "Rust", "bug_code_uid": "749d89de08ccca741aa2cf4801213e2b", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "07f6b0633994ffa9efd1ef316398b53d", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "insert", "lang_cluster": "Rust"}
{"similarity_score": 0.8975609756097561, "equal_cnt": 3, "replace_cnt": 1, "delete_cnt": 0, "insert_cnt": 1, "fix_ops_cnt": 2, "bug_source_code": "use std::io;\n\nfn main() {\n\n    let mut weight = String::new();\n\n    io::stdin().read_line(&mut weight).expect(\"Error\");\n\n    let trimmed = weight.trim();\n    match trimmed.parse::<u8>() {\n        Ok(i) => if i%2 == 0 {\n            println!(\"YES\");\n        } else {\n            println!(\"NO\")\n        }\n        Err(..) => println!(\"this was not an integer: {}\", trimmed),\n    }\n\n}", "lang": "Rust", "bug_code_uid": "0cdb3ac9948d7e1d9d4f2a157644361f", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "6a06a1a5f2365059d34c10b894d456fb", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "replace", "lang_cluster": "Rust"}
{"similarity_score": 0.3686746987951807, "equal_cnt": 11, "replace_cnt": 4, "delete_cnt": 5, "insert_cnt": 1, "fix_ops_cnt": 10, "bug_source_code": "use std::io;\n\nfn solve(val: u32) -> bool {\n    val % 4 == 0\n}\n\nfn main() {\n    let stdin = io::stdin();\n    let mut line = String::new();\n    let _ = stdin.read_line(&mut line);\n    let line = line.trim();\n    match line.parse::<u32>() {\n        Ok(val) => {\n            if solve(val) {\n                println!(\"YES\");\n            } else {\n                println!(\"NO\");\n            }\n        },\n        Err(_) => ()\n    }\n}\n", "lang": "Rust", "bug_code_uid": "3a952d61df6af729299582b8ea90015d", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "b9319830b6a9951d8c3b7eda807edfd6", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "delete", "lang_cluster": "Rust"}
{"similarity_score": 0.9932065217391305, "equal_cnt": 2, "replace_cnt": 0, "delete_cnt": 0, "insert_cnt": 1, "fix_ops_cnt": 1, "bug_source_code": "#![allow(unused_imports)]\nuse std::io::{BufWriter, stdin, stdout, Write};\n\n#[derive(Default)]\nstruct Scanner {\n  buffer: Vec<String>,\n}\nimpl Scanner {\n  fn next<T: std::str::FromStr>(&mut self) -> T {\n    loop {\n      if let Some(token) = self.buffer.pop() {\n        return token.parse().ok().expect(\"Failed parse\");\n      }\n      let mut input = String::new();\n      stdin().read_line(&mut input).expect(\"Failed read\");\n      self.buffer = input.split_whitespace().rev().map(String::from).collect();\n    }\n  }\n}\n\nfn main() {\n  let mut scan = Scanner::default();\n  let out = &mut BufWriter::new(stdout());\n  let n = scan.next::<i32>();\n  if n % 2 == 0 {\n    writeln!(out, \"YES\").ok();\n  } else {\n    writeln!(out, \"NO\").ok();\n  }\n}", "lang": "Rust", "bug_code_uid": "e81101e3472cf17950867111dc641562", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "38e8dc0153582a6f01b24b6518ab8962", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "insert", "lang_cluster": "Rust"}
{"similarity_score": 0.9922178988326849, "equal_cnt": 2, "replace_cnt": 0, "delete_cnt": 0, "insert_cnt": 1, "fix_ops_cnt": 1, "bug_source_code": "use std::io::stdin;\n\nfn main() {\n    let line = String::new();\n    stdin().read_line(&mut line).unwrap();\n    let n: u8 = line.trim().parse().unwrap();\n    \n    if n > 3 && n % 2 == 0 {\n        println!(\"YES\");\n    } else {\n        println!(\"NO\");\n    }\n}", "lang": "Rust", "bug_code_uid": "0649acdefbb6647e049a0ca329b6ee37", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "9e8f55af82e88b903d59588fa069a7b5", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "COMPILATION_ERROR", "potential_dominant_fix_op": "insert", "lang_cluster": "Rust"}
{"similarity_score": 0.9796610169491525, "equal_cnt": 4, "replace_cnt": 2, "delete_cnt": 0, "insert_cnt": 1, "fix_ops_cnt": 3, "bug_source_code": "use std::io;\nfn main() {\n    let mut line = String::new();\n    io::stdin().read_line(&mut line).expect(\"??\");\n\n    let weight = line.trim().parse::<i32>().expect(\"Error parse int\");\n\n    if weight != 2 && weight % 2 == 0 {\n        println!(\"TRUE\");\n    } else {\n        println!(\"FALSE\");\n    }\n}\n", "lang": "Rust", "bug_code_uid": "c78415990c0b944ed545892b98c7f534", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "ae45a33e194ff3ff1009cc2a33d61d2b", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "replace", "lang_cluster": "Rust"}
{"similarity_score": 0.9870875179340028, "equal_cnt": 2, "replace_cnt": 0, "delete_cnt": 0, "insert_cnt": 1, "fix_ops_cnt": 1, "bug_source_code": "use std::io;\n\nfn main() {\n    let mut input = String::new();\n\n    io::stdin()\n        .read_line(&mut input)\n        .expect(\"failed to read line\");\n\n    let n: i32 = match input.trim().parse() {\n        Ok(value) => value,\n        Err(_) => -1,\n    };\n\n    if n % 2 == 0 {\n        println!(\"YES\");\n    } else {\n        println!(\"NO\");\n    }\n}\n", "lang": "Rust", "bug_code_uid": "0f7f9c0bfb831eeb33bfc3daa18d8127", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "03eb7ccc22d59c4d45e806367e2b71f2", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "insert", "lang_cluster": "Rust"}
{"similarity_score": 0.986737400530504, "equal_cnt": 2, "replace_cnt": 0, "delete_cnt": 0, "insert_cnt": 1, "fix_ops_cnt": 1, "bug_source_code": "use std::io::{self, Write};\n\nfn main() {\n    let mut line = String::new();\n\n    io::stdin().read_line(&mut line).expect(\"Failed to read!\");\n\n    let x: u32 = line.trim().parse().expect(\"Not integer!\");\n\n    let possible = x % 2 == 0;\n\n    if possible {\n        print!(\"YES\");\n    } else {\n        print!(\"NO\");\n    }\n    io::stdout().flush().expect(\"Failed to flush!\");\n}\n", "lang": "Rust", "bug_code_uid": "4183ed40d0685194dded39298a096b5b", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "647503307acead0a50f1d21675349dd8", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "insert", "lang_cluster": "Rust"}
{"similarity_score": 0.5616291532690246, "equal_cnt": 11, "replace_cnt": 4, "delete_cnt": 2, "insert_cnt": 4, "fix_ops_cnt": 10, "bug_source_code": "/*! https://codeforces.com/problemset/problem/4/A\n\u6ce8\u610f\u5728IDEA\u4e0a\u53d1\u9001EOF\u7684\u5feb\u6377\u952e\u662fcmd+d\n*/\nuse std::io::BufRead;\n\nfn main() {\n    let mut input: Vec<String> = Vec::with_capacity(1);\n    for line in std::io::stdin().lock().lines() {\n        if let Ok(str) = line {\n            input.push(str);\n            break;\n        }\n    }\n    // parse first line of stdin\n    let num = input[0].parse::<u8>().unwrap();\n    if num % 2 == 0 {\n        println!(\"YES\");\n    } else {\n        println!(\"NO\");\n    }\n}\n", "lang": "Rust", "bug_code_uid": "e470ae05c86d095f716ec08a004ee94f", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "63c895db87cc122c5050d80081a1138d", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "replace", "lang_cluster": "Rust"}
{"similarity_score": 0.8557457212713936, "equal_cnt": 5, "replace_cnt": 1, "delete_cnt": 0, "insert_cnt": 3, "fix_ops_cnt": 4, "bug_source_code": "/*! https://codeforces.com/problemset/problem/4/A\n\u6ce8\u610f\u5728IDEA\u4e0a\u53d1\u9001EOF\u7684\u5feb\u6377\u952e\u662fcmd+d\n\n\u672c\u9898\u95ee\u7684\u662f\u4e00\u4e2a\u6570\u80fd\u5426\u88ab\u5206\u6210\u4e24\u4e2a\u5076\u6570\u4e4b\u548c\uff0c\u663e\u7136\u53ea\u8981\u5927\u4e8e2\u7684\u5076\u6570\u90fd\u590d\u5408\u6761\u4ef6\n*/\nuse std::io::Read;\n\nfn main() {\n    let mut input;\n    std::io::stdin().lock().read_to_string(&mut input);\n    let num = input[0].parse::<u8>().unwrap();\n    if num > 2 && num % 2 == 0 {\n        println!(\"YES\");\n    } else {\n        println!(\"NO\");\n    }\n}\n", "lang": "Rust", "bug_code_uid": "56c2bd9784a2980c2fa340e933cb6329", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "63c895db87cc122c5050d80081a1138d", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "COMPILATION_ERROR", "potential_dominant_fix_op": "insert", "lang_cluster": "Rust"}
{"similarity_score": 0.992108229988726, "equal_cnt": 2, "replace_cnt": 0, "delete_cnt": 0, "insert_cnt": 1, "fix_ops_cnt": 1, "bug_source_code": "/*! https://codeforces.com/problemset/problem/4/A\n\u6ce8\u610f\u5728IDEA\u4e0a\u53d1\u9001EOF\u7684\u5feb\u6377\u952e\u662fcmd+d\n\n\u672c\u9898\u95ee\u7684\u662f\u4e00\u4e2a\u6570\u80fd\u5426\u88ab\u5206\u6210\u4e24\u4e2a\u5076\u6570\u4e4b\u548c\uff0c\u663e\u7136\u53ea\u8981\u5927\u4e8e2\u7684\u5076\u6570\u90fd\u590d\u5408\u6761\u4ef6\n*/\nuse std::io::Read;\n\nfn main() {\n    let mut input = String::with_capacity(3);\n    std::io::stdin().lock().read_to_string(&mut input).unwrap();\n    // the range of num is [0, 100]\n    let num = input.parse::<u8>().unwrap();\n    if num > 2 && num % 2 == 0 {\n        println!(\"YES\");\n    } else {\n        println!(\"NO\");\n    }\n}\n", "lang": "Rust", "bug_code_uid": "3f5927ec7067045fe9fc235dc5c315c2", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "63c895db87cc122c5050d80081a1138d", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "RUNTIME_ERROR", "potential_dominant_fix_op": "insert", "lang_cluster": "Rust"}
{"similarity_score": 0.48728094968908986, "equal_cnt": 16, "replace_cnt": 6, "delete_cnt": 2, "insert_cnt": 7, "fix_ops_cnt": 15, "bug_source_code": "/*! https://codeforces.com/problemset/problem/4/A\n\u6ce8\u610f\u5728IDEA\u4e0a\u53d1\u9001EOF\u7684\u5feb\u6377\u952e\u662fcmd+d\uff0c\u672c\u9898\u7684\u6d4b\u8bd5\u7528\u4f8b1\u662f 8+\u56de\u8f66+EOF\n\n\u672c\u9898\u95ee\u7684\u662f\u4e00\u4e2a\u6570\u80fd\u5426\u88ab\u5206\u6210\u4e24\u4e2a\u5076\u6570\u4e4b\u548c\uff0c\u663e\u7136\u53ea\u8981\u4e0d\u7b49\u4e8e2\u7684\u6240\u6709\u5076\u6570\u90fd\u7b26\u5408\u6761\u4ef6\n*/\nuse std::io::Read;\n\nconst ASCII_0: u8 = b'0';\n\nfn main() {\n    // max input len testcase is \"100\\n\"([49,48,48,10])\n    let mut input = [0u8; 4];\n    let input_size = std::io::stdin().lock().read(&mut input).unwrap();\n    // The first (and the only) input line contains integer number w (1\u2264w\u2264100)\n    let mut num = 0u8;\n    for i in 0..input_size-1 {\n        let digit = input[i] - ASCII_0;\n        num = num * 10 + digit;\n    }\n    dbg!(num, input_size);\n    println!(\"input: {:?}, num: {}, input_size: {}\", input, num, input_size);\n    if num % 2 == 0 && num != 2 {\n        println!(\"YES\");\n    } else {\n        println!(\"NO\");\n    }\n}\n", "lang": "Rust", "bug_code_uid": "b0d4cc633bac932681802cb113904cee", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "63c895db87cc122c5050d80081a1138d", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "insert", "lang_cluster": "Rust"}
{"similarity_score": 0.9409090909090909, "equal_cnt": 8, "replace_cnt": 0, "delete_cnt": 0, "insert_cnt": 7, "fix_ops_cnt": 7, "bug_source_code": "use std::io;\n\nfn main() {\n    let mut input = String::new();\n    io::stdin().read_line(&mut input);\n\n    let num: i32 = input.parse().unwrap();\n\n    if num % 2 == 0 {println!(\"YES\")} else {println!(\"NO\")};\n}", "lang": "Rust", "bug_code_uid": "fa4bda36829a88d69edc4c07e1909090", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "606694eef59b63d7ac63625f62329a5e", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "RUNTIME_ERROR", "potential_dominant_fix_op": "insert", "lang_cluster": "Rust"}
{"similarity_score": 0.9574944071588367, "equal_cnt": 7, "replace_cnt": 0, "delete_cnt": 0, "insert_cnt": 6, "fix_ops_cnt": 6, "bug_source_code": "use std::io;\n\nfn main() {\n    let mut input = String::new();\n    io::stdin().read_line(&mut input);\n\n    let num: i32 = input.trim().parse().unwrap();\n\n    if num % 2 == 0 {println!(\"YES\")} else {println!(\"NO\")};\n}", "lang": "Rust", "bug_code_uid": "7271409481171a82a8f529f69584de3c", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "606694eef59b63d7ac63625f62329a5e", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "insert", "lang_cluster": "Rust"}
{"similarity_score": 0.3382869494731154, "equal_cnt": 4, "replace_cnt": 3, "delete_cnt": 0, "insert_cnt": 0, "fix_ops_cnt": 3, "bug_source_code": "#[macro_use]\nextern crate text_io;\n\nmacro_rules! lets {\n\t($($id:ident $(:$T:ty)*),+ =.. $ex:expr) => { $( let $id $(:$T)* = $ex; )* };\n\t($($id:ident $(:$T:ty)*),+ = $ex:expr) => { let _tmp_expr = $ex; $( let $id $(:$T)* = _tmp_expr; )* };\n    ($($id:ident $(:$T:ty)*),+ = $($ex:expr),+) => { $( let $id $(:$T)* = $ex; )* };\n\n    (mut $($id:ident $(:$T:ty)*),+ =.. $ex:expr) => { $( let mut $id $(:$T)* = $ex; )* };\n    (mut $($id:ident $(:$T:ty)*),+ = $($ex:expr),+) => { $( let mut $id $(:$T)* = $ex; )* };    \n}\n\nfn main() {\n    let w: u8 = read!();\n    if w > 3 && w % 2 == 0 {\n    \tprintln!(\"YES\");\n    } else {\n        println!(\"NO\");\n    }\n}\n", "lang": "Rust", "bug_code_uid": "f73d2953202d36efdfc4126e74d50c59", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "8371378d4acffb4d671e55abb0c280b3", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "COMPILATION_ERROR", "potential_dominant_fix_op": "replace", "lang_cluster": "Rust"}
{"similarity_score": 0.9928400954653938, "equal_cnt": 2, "replace_cnt": 0, "delete_cnt": 0, "insert_cnt": 1, "fix_ops_cnt": 1, "bug_source_code": "macro_rules! read {\n\t() => { read!(\"\") };\n\t($msg:expr) => {{\n\t\tuse std::io::Write;\n\t\tprint!(\"{}\", $msg);\n\t\tstd::io::stdout().flush().unwrap();\n\t\tstd::str::FromStr::from_str(&read_word()).unwrap()\n\t}};\n}\n\npub fn read_word() -> String {\n\tuse std::io::prelude::*;\n\tlet mut word: Vec<u8> = vec![];\n\n\tfor c in ::std::io::stdin().bytes() {\n\t\tlet c = c.unwrap();\n\t\tif (c as char).is_whitespace() {\n\t\t\tif !word.is_empty() {\n\t\t\t\tbreak;\n\t\t\t}\n\t\t} else {\n\t\t\tword.push(c);\n\t\t}\n\t}\n\t::std::str::from_utf8(&word).unwrap().to_string()\n}\n\nfn main() {\n\tlet w: i8 = read!();\n\tif w % 2 == 0 {\n\t\tprintln!(\"YES\");\n\t} else {\n\t\tprintln!(\"NO\");\n\t}\n}\n", "lang": "Rust", "bug_code_uid": "85e09a79203446a8ff6b0f612b56ee47", "src_uid": "230a3c4d7090401e5fa3c6b9d994cdf2", "apr_id": "8371378d4acffb4d671e55abb0c280b3", "difficulty": 800, "tags": ["math", "brute force"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "insert", "lang_cluster": "Rust"}
{"similarity_score": 0.9859719438877755, "equal_cnt": 3, "replace_cnt": 0, "delete_cnt": 0, "insert_cnt": 2, "fix_ops_cnt": 2, "bug_source_code": "fn main(){\n    let mut line=String::new();\n    std::io::stdin().read_line(&mut line).unwrap();\n    let control=['h','e','l','l','o'];\n    let mut line:Vec<char>=line\n        .trim()\n        .chars()\n        .filter(|c|match c{\n            'h'=>true,\n            'e'=>true,\n            'l'=>true,\n            'o'=>true,\n            _=>false,\n        })\n        .collect();\n    let len=line.len();\n    let mut stop:usize=0;\n    'control:for c in 0..5{\n                for l in stop..len{\n                    if control[c]==line[l]{\n                        stop=l+1;\n                        continue'control\n                    }\n                    if c<5 && l==len-1{print!(\"NO\");return}\n                }\n            }\n    print!(\"YES\")\n}", "lang": "Rust", "bug_code_uid": "1e25dc4e6c4531155001950734344969", "src_uid": "c5d19dc8f2478ee8d9cba8cc2e4cd838", "apr_id": "51561b3920cbfcaae44ff4886a5d5b61", "difficulty": 1000, "tags": ["strings", "greedy"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "insert", "lang_cluster": "Rust"}
{"similarity_score": 0.9826887661141804, "equal_cnt": 2, "replace_cnt": 0, "delete_cnt": 1, "insert_cnt": 0, "fix_ops_cnt": 1, "bug_source_code": "use std::io::{BufReader, BufWriter, Read, Write, stdin, stdout};\n\npub struct Scanner<U: Sized + Read> {\n    pub buffer: Vec<String>,\n    pub reader: U,\n}\nimpl<U: Sized + Read> Scanner<U> {\n    pub fn next<T: std::str::FromStr>(&mut self) -> T {\n        loop {\n            if let Some(token) = self.buffer.pop() {\n                return token.parse().ok().expect(\"Failed parse\");\n            }\n            let mut input = String::new();\n            self.reader.read_to_string(&mut input).expect(\"Failed read\");\n            self.buffer = input.lines().rev().map(String::from).collect();\n        }\n    }\n\n    pub fn new(reader: U) -> Self {\n        return Scanner {\n            buffer: vec![],\n            reader,\n        };\n    }\n}\npub fn solution_of_p58a(input: &mut Read, out: &mut Write) {\n    let mut scanner = Scanner::new(input);\n    let line1 = scanner.next::<String>();\n    if contains_hello(line1) {\n        write!(out, \"YES\").ok();\n    } else {\n        write!(out, \"NO\").ok();\n    }\n}\n\nfn contains_hello(s: String) -> bool {\n    let word = \"hello\";\n    if s == word {\n        return false;\n    }\n    let mut ss = &s[0..];\n    for c in word.chars() {\n        if let Some(cur_pos) = ss.find(c) {\n            ss = &ss[cur_pos+1..];\n        } else {\n            return false;\n        }\n    }\n    return true;\n}\n\nfn main() {\n    solution_of_p58a(&mut stdin(), &mut stdout());\n}\n", "lang": "Rust", "bug_code_uid": "01752eebef330cfbc71e7599c4dd45ec", "src_uid": "c5d19dc8f2478ee8d9cba8cc2e4cd838", "apr_id": "16f4d26c20937659d9630c60a8279604", "difficulty": 1000, "tags": ["strings", "greedy"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "delete", "lang_cluster": "Rust"}
{"similarity_score": 0.9975333004440059, "equal_cnt": 2, "replace_cnt": 1, "delete_cnt": 0, "insert_cnt": 1, "fix_ops_cnt": 2, "bug_source_code": "#![allow(non_snake_case, unused_imports, deprecated, dead_code)]\n\n// Input macros\nmacro_rules! input { (source = $s:expr, $($r:tt)*) => { let mut iter = $s.split_whitespace(); let mut next = || { iter.next().unwrap() }; input_inner!{next, $($r)*} }; ($($r:tt)*) => { let stdin = std::io::stdin(); let mut bytes = std::io::Read::bytes(std::io::BufReader::new(stdin.lock())); let mut next = move || -> String{ bytes.by_ref().map(|r|r.unwrap() as char).skip_while(|c|c.is_whitespace()).take_while(|c|!c.is_whitespace()).collect() }; input_inner!{next, $($r)*} }; }\nmacro_rules! input_inner { ($next:expr) => {}; ($next:expr, ) => {}; ($next:expr, $var:ident : $t:tt $($r:tt)*) => { let $var = read_value!($next, $t); input_inner!{$next $($r)*} }; ($next:expr, mut $var:ident : $t:tt $($r:tt)*) => { let mut $var = read_value!($next, $t); input_inner!{$next $($r)*} }; }\nmacro_rules! read_value { ($next:expr, ( $($t:tt),* )) => { ( $(read_value!($next, $t)),* ) }; ($next:expr, [ $t:tt ; $len:expr ]) => { (0..$len).map(|_| read_value!($next, $t)).collect::<Vec<_>>() }; ($next:expr, [ $t:tt ]) => { { let len = read_value!($next, usize); (0..len).map(|_| read_value!($next, $t)).collect::<Vec<_>>() } }; ($next:expr, chars) => { read_value!($next, String).chars().collect::<Vec<char>>() }; ($next:expr, bytes) => { read_value!($next, String).into_bytes() }; ($next:expr, usize1) => { read_value!($next, usize) - 1 }; ($next:expr, $t:ty) => { $next().parse::<$t>().expect(\"Parse error\") }; }\n\n// Module\nuse std::cmp::{min,max};\nuse std::collections::{VecDeque,HashMap,HashSet,BTreeMap,BTreeSet,BinaryHeap};\n// Module for v1.15.1\nuse std::ascii::AsciiExt; // deprecated since 1.26.0: use inherent method instead\n\n// Functions\n\n// Main\nfn main() {\n\n    input! {\n        S: String,\n    }\n\n    let hello = vec!['h','e','l','l','o'];\n\n    let mut i = 0;\n    for c in S.chars() {\n        if c==hello[i] {\n            i += 1;\n        }\n        if i==5 {\n            break;\n        }\n    }\n\n    println!(\"{}\", if i==5{\"YES\"else{\"NO\"}});\n}", "lang": "Rust", "bug_code_uid": "731e24248aa0339231a0ba1f4e625740", "src_uid": "c5d19dc8f2478ee8d9cba8cc2e4cd838", "apr_id": "1250f14480ac23220307324a419fc62d", "difficulty": 1000, "tags": ["strings", "greedy"], "bug_exec_outcome": "COMPILATION_ERROR", "potential_dominant_fix_op": "replace", "lang_cluster": "Rust"}
{"similarity_score": 0.8215641609719059, "equal_cnt": 7, "replace_cnt": 2, "delete_cnt": 3, "insert_cnt": 1, "fix_ops_cnt": 6, "bug_source_code": "// Author: Xu Zhao (i@xuzhao.net)\n// Date: Nov 23, 2016\n\n//! Codeforces Problem 58A\nuse std::io::{self, BufRead};\n\nconst word:[char; 5] = ['h', 'e', 'l', 'l', 'o'];\n\nfn check(line: String, i: usize, j: usize) -> bool {\n  if i == line.len() {\n    return false;\n  } else if j == word.len() {\n    return true;\n  }\n  if line.chars().nth(i).unwrap() == word[j] {\n    return check(line, i + 1, j + 1);\n  } else {\n    return check(line, i + 1, j);\n  }\n}\n\n\nfn main() {\n  let stdin = io::stdin();\n  for line in stdin.lock().lines() {\n    let s = line.unwrap();\n    if check(s, 0, 0) {\n      println!(\"YES\");\n    } else {\n      println!(\"NO\");\n    }\n    return;\n  }\n}\n\n", "lang": "Rust", "bug_code_uid": "30151ddd7bd2d4fce79293c846f23f5a", "src_uid": "c5d19dc8f2478ee8d9cba8cc2e4cd838", "apr_id": "e95c82352744c1db2ec9aadbe09cfc8d", "difficulty": 1000, "tags": ["strings", "greedy"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "delete", "lang_cluster": "Rust"}
{"similarity_score": 0.7536231884057971, "equal_cnt": 10, "replace_cnt": 7, "delete_cnt": 1, "insert_cnt": 2, "fix_ops_cnt": 10, "bug_source_code": "use std::io;\n\nfn main() -> io::Result<()> {\n    let mut s = String::new();\n    let stdin = io::stdin();\n\n    let _ = stdin.read_line(&mut s)?;\n    s = s.trim().to_string();\n\n    let word = \"hello\";\n    if calc(word, &s) {\n        println!(\"YES\");\n    } else {\n        println!(\"NO\");\n    }\n\n    Ok(())\n}\n\nfn calc(sub: &str, s: &str) -> bool {\n    calc2(sub.as_bytes(), s.as_bytes())\n}\n\nfn calc2<'a, T>(sub: T, s: T) -> bool\nwhere\n    T: IntoIterator<Item = &'a u8>,\n    T::IntoIter: Clone\n{\n    let mut sub_iter = sub.into_iter();\n    let mut s_iter = s.into_iter();\n\n    while let Some(c) = sub_iter.next() {\n        if let Some(c2) = s_iter.next() {\n            if c == c2 {\n                if calc2(sub_iter.clone(), s_iter.clone()) {\n                    return true;\n                } else {\n                    continue;\n                }\n            }\n        }\n        return false\n    }\n\n    true\n}", "lang": "Rust", "bug_code_uid": "8febdf60118d3b1802df929132b48ac8", "src_uid": "c5d19dc8f2478ee8d9cba8cc2e4cd838", "apr_id": "616c0064dfd3b95d3b8ddb0a9d48a367", "difficulty": 1000, "tags": ["strings", "greedy"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "replace", "lang_cluster": "Rust"}
{"similarity_score": 0.9984289080911233, "equal_cnt": 2, "replace_cnt": 0, "delete_cnt": 0, "insert_cnt": 1, "fix_ops_cnt": 1, "bug_source_code": "macro_rules! parse_line {\n    ($t: ty) => ({\n        let mut a_str = String::new();\n        std::io::stdin().read_line(&mut a_str).expect(\"read error\");\n        let a_str = a_str.trim();\n        a_str.parse::<$t>().expect(\"parse error\")\n    });\n    ($($t: ty),+) => ({\n        let mut a_str = String::new();\n        std::io::stdin().read_line(&mut a_str).expect(\"read error\");\n        let mut a_iter = a_str.split_whitespace();\n        (\n            $(\n            a_iter.next().unwrap().parse::<$t>().expect(\"parse error\"),\n            )+\n        )\n    })\n}\n\n#[allow(unused_macros)]\nmacro_rules! parse_line_to_vec {\n    ($t: ty) => {{\n        let mut a_str = String::new();\n        std::io::stdin().read_line(&mut a_str).expect(\"read error\");\n        (a_str\n            .split_whitespace()\n            .map(|x| x.parse::<$t>().unwrap())\n            .collect::<Vec<$t>>())\n    }};\n}\n\nuse std::io::Write;\n\nfn solve(writer: &mut std::io::BufWriter<std::io::Stdout>) {\n    let n = parse_line!(usize);\n    let ok = n == 1;\n    writeln!(writer, \"{}\", if ok {\"Ehab\"} else {\"Mahmoud\"}).unwrap();\n}\n\nfn main() {\n    let mut writer = std::io::BufWriter::new(std::io::stdout());\n    let tests = 1; // parse_line!(usize);\n    for _ in 0..tests {\n        solve(&mut writer);\n    }\n}\n", "lang": "Rust", "bug_code_uid": "ce344ae95b45cbbf61c69d9a2e2a383b", "src_uid": "5e74750f44142624e6da41d4b35beb9a", "apr_id": "34c68e66382a6a425ab90fa21ed7d832", "difficulty": 800, "tags": ["math", "games"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "insert", "lang_cluster": "Rust"}
{"similarity_score": 0.7623421354764638, "equal_cnt": 12, "replace_cnt": 4, "delete_cnt": 2, "insert_cnt": 5, "fix_ops_cnt": 11, "bug_source_code": "use std::io::{self, Read};\n\nfn main() {\n\tlet mut b = String::new();\n\tio::stdin().read_to_string(&mut b);\n\tlet mut inp = b.split_whitespace();\n\tlet x = inp.next().unwrap().parse::<i32>().unwrap() as f32;\n\tlet y = inp.next().unwrap().parse::<i32>().unwrap() as f32;\n\tlet z = inp.next().unwrap().parse::<i32>().unwrap() as f32;\n\tlet t = ((x+y+z)/3.0).round();\n\t\n    print!(\"{}\", (x-t).abs()+(y-t).abs()+(z-t).abs());\n}\n", "lang": "Rust", "bug_code_uid": "e67d64c7f100231fdc4353a37394989d", "src_uid": "7bffa6e8d2d21bbb3b7f4aec109b3319", "apr_id": "529013e918f244232e01edb28c866847", "difficulty": 800, "tags": ["math", "sortings", "implementation"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "insert", "lang_cluster": "Rust"}
{"similarity_score": 0.807909604519774, "equal_cnt": 6, "replace_cnt": 3, "delete_cnt": 0, "insert_cnt": 2, "fix_ops_cnt": 5, "bug_source_code": "struct Scan {\n    buffer: std::collections::VecDeque<String>\n}\n\nimpl Scan {\n    fn new() -> Scan {\n        Scan { buffer: std::collections::VecDeque::new() }\n    }\n\n    fn next<T: std::str::FromStr>(&mut self)-> T {\n        loop {\n            if let Some(token) = self.buffer.pop_front() {\n                break token.parse::<T>().ok().unwrap();\n            }\n            let mut line = String::new();\n            std::io::stdin().read_line(&mut line).expect(\"Fail to read\");\n            self.buffer = line.split_whitespace().map(String::from).collect();\n        }\n    }\n\n}\n\nfn _main() {\n    let mut scan = Scan::new();\n    let a: isize = scan.next();\n    let b: isize = scan.next();\n    let c: isize = scan.next();\n    if a==b {\n        println!(\"{}\", (a-c).abs());\n    } else if a==c || b==c {\n        println!(\"{}\", (a-b).abs());\n    } else {\n        let middle: isize = (a + b + c) / 3;\n        let result = (a-middle).abs() + (b-middle).abs() + (c-middle).abs();\n        println!(\"{}\", result);\n    }\n}\n\nfn main() {\n    std::thread::Builder::new()\n        .stack_size(1<<23).spawn(_main).unwrap().join().unwrap();\n}\n", "lang": "Rust", "bug_code_uid": "7e68cc5b57458c782b23031695865fac", "src_uid": "7bffa6e8d2d21bbb3b7f4aec109b3319", "apr_id": "2b1d80281c9e7afc84d84acbb537940a", "difficulty": 800, "tags": ["math", "sortings", "implementation"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "replace", "lang_cluster": "Rust"}
{"similarity_score": 0.995253164556962, "equal_cnt": 3, "replace_cnt": 2, "delete_cnt": 0, "insert_cnt": 0, "fix_ops_cnt": 2, "bug_source_code": "use std::io::Read;\n\nfn input(read_file: bool) -> String {\n    if read_file {\n        let mut file = std::fs::File::open(\"sample.txt\").unwrap();\n        let mut buf = String::new();\n        file.read_to_string(&mut buf).unwrap();\n        buf\n    } else {\n        let mut buf = String::new();\n        std::io::stdin().read_to_string(&mut buf).unwrap();\n        buf.trim_end().to_owned()\n    }\n}\n\nfn solve(ws: &mut std::str::SplitWhitespace) {\n    let _: usize = ws.next().unwrap().parse().unwrap();\n    let s: Vec<char> = ws.next().unwrap().to_string().chars().collect();\n\n    let mut m = std::collections::HashMap::new();\n    m.insert(2, \"2\");\n    m.insert(3, \"3\");\n    m.insert(4, \"223\");\n    m.insert(5, \"5\");\n    m.insert(6, \"35\");\n    m.insert(7, \"7\");\n    m.insert(8, \"2227\");\n    m.insert(9, \"9\");\n\n    let mut ans: Vec<char> = Vec::new();\n    for c in s {\n        let d = c as i32 - '0' as i32;\n        let mut x: Vec<char> = m.entry(d).or_default().chars().collect();\n        ans.append(&mut x);\n    }\n\n    ans.sort();\n    ans.reverse();\n    let s: String = ans.iter().collect();\n    println!(\"{}\", s);\n}\n\nfn main() {\n    const READ_FROM_FILE: bool = true;\n\n    let s = input(READ_FROM_FILE);\n    let mut ws = s.split_whitespace();\n\n    solve(&mut ws);\n}\n", "lang": "Rust", "bug_code_uid": "0909307e59d30995898ed63eb3775dfb", "src_uid": "60dbfc7a65702ae8bd4a587db1e06398", "apr_id": "869712bf717457c8939afbd39469bfb1", "difficulty": 1400, "tags": ["greedy", "math", "sortings"], "bug_exec_outcome": "RUNTIME_ERROR", "potential_dominant_fix_op": "replace", "lang_cluster": "Rust"}
{"similarity_score": 0.9980229339659945, "equal_cnt": 2, "replace_cnt": 1, "delete_cnt": 0, "insert_cnt": 0, "fix_ops_cnt": 1, "bug_source_code": "use std::io::Read;\n\nfn input(read_file: bool) -> String {\n    if read_file {\n        let mut file = std::fs::File::open(\"sample.txt\").unwrap();\n        let mut buf = String::new();\n        file.read_to_string(&mut buf).unwrap();\n        buf\n    } else {\n        let mut buf = String::new();\n        std::io::stdin().read_to_string(&mut buf).unwrap();\n        buf.trim_end().to_owned()\n    }\n}\n\nfn solve(ws: &mut std::str::SplitWhitespace) {\n    let _: usize = ws.next().unwrap().parse().unwrap();\n    let s: Vec<char> = ws.next().unwrap().to_string().chars().collect();\n\n    let mut m = std::collections::HashMap::new();\n    m.insert(2, \"2\");\n    m.insert(3, \"3\");\n    m.insert(4, \"223\");\n    m.insert(5, \"5\");\n    m.insert(6, \"35\");\n    m.insert(7, \"7\");\n    m.insert(8, \"2227\");\n    m.insert(9, \"9\");\n\n    let mut ans: Vec<char> = Vec::new();\n    for c in s {\n        let d = c as i32 - '0' as i32;\n        let mut x: Vec<char> = m.entry(d).or_default().chars().collect();\n        ans.append(&mut x);\n    }\n\n    ans.sort();\n    ans.reverse();\n    let s: String = ans.iter().collect();\n    println!(\"{}\", s);\n}\n\nfn main() {\n    const READ_FROM_FILE: bool = false;\n\n    let s = input(READ_FROM_FILE);\n    let mut ws = s.split_whitespace();\n\n    solve(&mut ws);\n}\n", "lang": "Rust", "bug_code_uid": "8442d76c3da6cae293ffa5f2c8ade860", "src_uid": "60dbfc7a65702ae8bd4a587db1e06398", "apr_id": "869712bf717457c8939afbd39469bfb1", "difficulty": 1400, "tags": ["greedy", "math", "sortings"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "replace", "lang_cluster": "Rust"}
{"similarity_score": 0.9996281145407214, "equal_cnt": 2, "replace_cnt": 0, "delete_cnt": 0, "insert_cnt": 1, "fix_ops_cnt": 1, "bug_source_code": "#![allow(unused_imports)]\n\nuse std::cmp::{max, min};\nuse std::collections::{HashMap, HashSet};\nuse std::io::{stdin, stdout, BufWriter, Write};\n\n#[derive(Default)]\nstruct Scanner {\n    buffer: Vec<String>,\n}\nimpl Scanner {\n    fn next<T: std::str::FromStr>(&mut self) -> T {\n        loop {\n            if let Some(token) = self.buffer.pop() {\n                return token.parse().ok().expect(\"Failed parse\");\n            }\n            let mut input = String::new();\n            stdin().read_line(&mut input).expect(\"Failed read\");\n            self.buffer = input.split_whitespace().rev().map(String::from).collect();\n        }\n    }\n}\n\nuse std::collections::*;\n\nfn solve () {\n    let mut scan = Scanner::default();\n    let n: usize = scan.next();\n    let a: String = scan.next();\n    let v = vec![\n        \"\",\n        \"\",\n        \"2\",\n        \"3\",\n        \"223\",\n        \"5\",\n        \"35\",\n        \"7\",\n        \"222\",\n        \"2337\",\n    ];\n    let mut res = String::new ();\n    for x in a.chars() {\n        res.push_str (v[x.to_digit(10).unwrap() as usize]);\n    }\n    let mut v: Vec<char> = res.chars().collect();\n    v.sort();\n    v.reverse();\n    for x in v {\n        print! (\"{}\", x);\n    }\n}\n\nfn main() {\n    let mut scan = Scanner::default();\n    // let t = scan.next::<u64>();\n    let t = 1;\n    for _ in 0..t {\n        solve();\n    }\n}\n", "lang": "Rust", "bug_code_uid": "69162afdcc3adface8d8a2cb7d31269d", "src_uid": "60dbfc7a65702ae8bd4a587db1e06398", "apr_id": "ca4b11c4831455ad42a609cb0761b7b1", "difficulty": 1400, "tags": ["greedy", "math", "sortings"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "insert", "lang_cluster": "Rust"}
{"similarity_score": 0.9961977186311787, "equal_cnt": 2, "replace_cnt": 1, "delete_cnt": 0, "insert_cnt": 0, "fix_ops_cnt": 1, "bug_source_code": "fn main() {\n    let mut text = String::new();\n    std::io::stdin().read_line(&mut text).expect(\"\");\n    let n = text.trim().parse::<i64>().expect(\"\");\n\n    if n > 1 && n % 2 == 1 {\n        println!(\"1 {}\", (n - 3) / 2)\n    } else {\n        println!(\"NO\")\n    }\n}\n", "lang": "Rust", "bug_code_uid": "bea959ea9dc63b2a52902d39318a286c", "src_uid": "3ff1c25a1026c90aeb14d148d7fb96ba", "apr_id": "1f8a92465625c94331dbea8191ea81a3", "difficulty": 1200, "tags": ["math", "brute force", "number theory"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "replace", "lang_cluster": "Rust"}
{"similarity_score": 0.9752906976744186, "equal_cnt": 4, "replace_cnt": 3, "delete_cnt": 0, "insert_cnt": 0, "fix_ops_cnt": 3, "bug_source_code": "use std::io;\nuse std::str;\n\npub struct Scanner<R> {\n    reader: R,\n    buffer: Vec<String>,\n}\n\nimpl<R: io::BufRead> Scanner<R> {\n    pub fn new(reader: R) -> Self {\n        Self {\n            reader,\n            buffer: vec![],\n        }\n    }\n\n    pub fn token<T: str::FromStr>(&mut self) -> T {\n        loop {\n            if let Some(token) = self.buffer.pop() {\n                return token.parse().ok().expect(\"Failed parse\");\n            }\n            let mut input = String::new();\n            self.reader.read_line(&mut input).expect(\"Failed read\");\n            self.buffer = input.split_whitespace().rev().map(String::from).collect();\n        }\n    }\n}\n\nfn find_xy(r: i64) -> Option<(i64, i64)> {\n    let mut x = 1;\n    while x * x <= r {\n        if (r - x * x - x - 1) % (2 * x) == 0 {\n            let y = (r - x * x - x - 1) / (2 * x);\n            return Some((x, y));\n        }\n        x += 1;\n    }\n    None\n}\n\nfn solve<R: io::BufRead, W: io::Write>(scan: &mut Scanner<R>, out: &mut W) {\n    let r: i64 = scan.token();\n    match find_xy(r) {\n        Some((x, y)) => writeln!(out, \"{} {}\", x, y).ok(),\n        None => writeln!(out, \"NO\").ok(),\n    };\n}\n\nfn main() {\n    let (stdin, stdout) = (io::stdin(), io::stdout());\n    let mut scan = Scanner::new(stdin.lock());\n    let mut out = io::BufWriter::new(stdout.lock());\n    solve(&mut scan, &mut out);\n}\n", "lang": "Rust", "bug_code_uid": "5f6114381896867d489a22d0b9adb34a", "src_uid": "3ff1c25a1026c90aeb14d148d7fb96ba", "apr_id": "281dd0072fa3f9e68a856b7dc66aaa9d", "difficulty": 1200, "tags": ["math", "brute force", "number theory"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "replace", "lang_cluster": "Rust"}
{"similarity_score": 0.8439522998296423, "equal_cnt": 8, "replace_cnt": 6, "delete_cnt": 0, "insert_cnt": 1, "fix_ops_cnt": 7, "bug_source_code": "#![allow(unused_imports)]\nuse std::io::{self, BufRead};\nuse std::cmp::*;\nuse std::collections::*;\n\nmacro_rules! scan_to_vec {\n    ($count:expr, $t:ty) => ({\n        let mut result = Vec::new();\n        let stdin = io::stdin();\n        let mut handle = stdin.lock();\n\n        for _ in 0..$count {\n            let mut buffer = String::new();\n            handle.read_line(&mut buffer)\n                .expect(\"scan_to_vec: failed at `handle.read_line`.\");\n            result.push(buffer.trim().parse::<$t>()\n                .expect(\"scan_to_vec: failed at `parse::<$t>`.\"));\n        }\n        result\n    })\n}\n\nmacro_rules! scan_line_to_vec {\n    ($t:ty) => ({\n        let mut result = Vec::new();\n        let stdin = io::stdin();\n        let mut handle = stdin.lock();\n        let mut buffer = String::new();\n        handle.read_line(&mut buffer)\n            .expect(\"scan_line_to_vec: failed at `handle.read_line`.\");\n        \n        for s in buffer.split_whitespace() {\n            result.push(s.parse::<$t>()\n                .expect(\"scan_line_to_vec: failed at `parse::<$t>`.\"));\n        }\n        result\n    })\n}\n\nmacro_rules! scan_line {\n    () => ({\n        let stdin = io::stdin();\n        let mut handle = stdin.lock();\n        let mut buffer = String::new();\n        handle.read_line(&mut buffer)\n            .expect(\"scan_line: failed at `handle.read_line`.\");\n        buffer\n    });\n    ( $($t:ty)+ ) => ({\n        let stdin = io::stdin();\n        let mut handle = stdin.lock();\n        let mut buffer = String::new();\n        handle.read_line(&mut buffer)\n            .expect(\"scan_line: failed at `handle.read_line`.\");\n        let mut chunks = buffer.split_whitespace();\n\n        ($(\n            {\n                chunks.next()\n                    .expect(\"scan_line: failed at `next`, # of space separated strings not equal to requested #\")\n                .parse::<$t>()\n                    .expect(\"scan_line: failed at `parse::<$t>`.\")\n            },\n        )+)\n    })\n}\n\ntrait Ext {\n    fn is_odd(&self) -> bool;\n    fn is_even(&self) -> bool;\n}\n\nimpl Ext for i32 {\n    #[inline]\n    fn is_odd(&self) -> bool {\n        self % 2 != 0\n    }\n\n    #[inline]\n    fn is_even(&self) -> bool {\n        self % 2 == 0\n    }\n}\n\nfn main() {\n    let (n,) = scan_line!(usize);\n    let array = scan_line_to_vec!(i32);\n\n    let mut result = true;\n\n    let mut i = 0;\n    let mut segment_count = 0;\n    let mut count_evens = 0;\n\n    while i < (n - 1) {\n        if array[i].is_odd() && array[i+1].is_odd() {\n            segment_count += 1;\n        } else if array[i].is_odd() && array[i+1].is_even() {\n            count_evens += 1;\n        } else if array[i].is_even() && array[i+1].is_even() {\n            count_evens += 1;\n        } else if array[i].is_even() && array[i+1].is_odd() {\n            if count_evens.is_odd() {\n                count_evens = 0;\n                segment_count += 1;\n                i += 1;\n            } else {\n                result = false;\n                break;\n            }\n        }\n        i += 1;\n    }\n\n    if i == n - 1 && array[n - 1].is_odd() {\n        segment_count += 1;\n    } else if i == n - 1 {\n        result = false;\n    }\n\n    if segment_count.is_even() {\n        result = false;\n    }\n\n    if result {\n        println!(\"YES\")\n    } else {\n        println!(\"NO\")\n    }\n}", "lang": "Rust", "bug_code_uid": "b72e762a4f4136022ce15fb026f192a8", "src_uid": "2b8c2deb5d7e49e8e3ededabfd4427db", "apr_id": "6d3ff26bea01ae3f49121177ac34a941", "difficulty": 1000, "tags": ["implementation"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "replace", "lang_cluster": "Rust"}
{"similarity_score": 0.7429107589658048, "equal_cnt": 11, "replace_cnt": 4, "delete_cnt": 1, "insert_cnt": 5, "fix_ops_cnt": 10, "bug_source_code": "use std::io::{stdin, BufRead};\n\nfn get_max_delta<T>(values: &Vec<T>) -> Option<(T, usize, usize)>\nwhere\n    T: Ord,\n    T: Copy,\n    T: std::ops::Sub<Output = T>,\n{\n    if values.len() <= 1 {\n        return None;\n    }\n\n    let mut min_positions: Vec<usize> = Vec::new();\n    let mut max_positions: Vec<usize> = Vec::new();\n\n    min_positions.push(0);\n    max_positions.push(0);\n\n    for i in 1..(values.len() - 1) {\n        let value = values[i];\n        let prev_value = values[i - 1];\n        let next_value = values[i + 1];\n\n        if (value >= prev_value) && (value >= next_value) {\n            max_positions.push(i);\n        }\n        if (value <= prev_value) && (value <= next_value) {\n            min_positions.push(i);\n        }\n    }\n\n    min_positions.push(values.len() - 1);\n    max_positions.push(values.len() - 1);\n\n    let mut max_delta: Option<(T, usize, usize)> = None;\n    let mut max_position_index: usize = 0;\n\n    for i in 0..min_positions.len() {\n        let min_position = min_positions[i];\n        let min_position_value = values[min_position];\n        while max_positions[max_position_index] <= min_positions[i] {\n            max_position_index += 1;\n            if max_position_index >= max_positions.len() {\n                break;\n            }\n        }\n        if max_position_index >= max_positions.len() {\n            break;\n        }\n        for j in max_position_index..max_positions.len() {\n            let max_position = max_positions[j];\n            let max_position_value = values[max_position];\n            let delta_value = max_position_value - min_position_value;\n            if let Some((max_delta_value, _max_delta_start, _max_delta_end)) = max_delta {\n                if delta_value > max_delta_value {\n                    max_delta = Some((delta_value, min_position, max_position));\n                }\n            } else {\n                max_delta = Some((delta_value, min_position, max_position));\n            }\n        }\n    }\n\n    return max_delta;\n}\n\nfn get_best_score(values: &Vec<u8>) -> usize {\n    let mut switch_scores: Vec<isize> = Vec::with_capacity(values.len());\n    let mut current_switch_score: isize = 0;\n    let mut base_score: usize = 0;\n    for &value in values {\n        if value == 0 {\n            current_switch_score += 1;\n        } else {\n            current_switch_score -= 1;\n            base_score += 1;\n        }\n        switch_scores.push(current_switch_score);\n    }\n\n    let (max_switch_score, _, _) = get_max_delta(&switch_scores).unwrap();\n\n    return ((base_score as isize) + max_switch_score) as usize;\n}\n\n#[cfg(test)]\nmod tests {\n    use super::{get_best_score, get_max_delta};\n\n    #[test]\n    fn test_get_best_score_1() {\n        assert_eq!(get_best_score(&vec![1, 0, 0, 1, 0]), 4);\n    }\n    #[test]\n    fn test_get_best_score_2() {\n        assert_eq!(get_best_score(&vec![1, 0, 0, 1]), 4);\n    }\n    #[test]\n    fn test_get_best_score_3() {\n        assert_eq!(get_best_score(&vec![1, 0, 1, 0, 1, 0]), 4);\n    }\n\n    fn do_test_max_delta(values: &Vec<i32>) {\n        if values.len() <= 1 {\n            assert_eq!(get_max_delta(values), None);\n            return;\n        }\n\n        let mut max_delta: i32 = 0;\n        for i in 0..values.len() {\n            for j in (i + 1)..values.len() {\n                let delta: i32 = values[j] - values[i];\n                if delta > max_delta {\n                    max_delta = delta;\n                }\n            }\n        }\n\n        let (result_max_delta, result_start, result_end) = get_max_delta(values).unwrap();\n        assert_eq!(result_max_delta, max_delta);\n        assert_eq!(values[result_end] - values[result_start], max_delta);\n    }\n\n    #[test]\n    fn test_get_max_delta_1() {\n        do_test_max_delta(&vec![1, 2, 7, 19, 20, 3, 0, -4, 4]);\n    }\n    #[test]\n    fn test_get_max_delta_2() {\n        do_test_max_delta(&vec![0, 0, 0, 3]);\n    }\n    #[test]\n    fn test_get_max_delta_3() {\n        do_test_max_delta(&vec![1]);\n    }\n}\n\nfn main() {\n    let stdin = stdin();\n    let mut stdin_lock = stdin.lock();\n\n    {\n        let mut skip_buffer = String::new();\n        stdin_lock.read_line(&mut skip_buffer).unwrap();\n    }\n    let mut string_buffer = String::new();\n    stdin_lock.read_line(&mut string_buffer).unwrap();\n    let values: Vec<u8> = string_buffer\n        .trim()\n        .split_whitespace()\n        .map(|s| s.parse::<u8>().unwrap())\n        .collect();\n\n    let best_score: usize = get_best_score(&values);\n    println!(\"{}\", best_score);\n}\n", "lang": "Rust", "bug_code_uid": "9b8ab5837b7799dc75309c64673db80b", "src_uid": "9b543e07e805fe1dd8fa869d5d7c8b99", "apr_id": "6916977dfd0e4610c16e282cfec03f8b", "difficulty": 1200, "tags": ["dp", "brute force", "implementation"], "bug_exec_outcome": "RUNTIME_ERROR", "potential_dominant_fix_op": "insert", "lang_cluster": "Rust"}
{"similarity_score": 0.9565305914690013, "equal_cnt": 16, "replace_cnt": 5, "delete_cnt": 0, "insert_cnt": 10, "fix_ops_cnt": 15, "bug_source_code": "use std::io::{stdin, BufRead};\n\nfn get_max_delta<T>(values: &Vec<T>) -> Option<(T, usize, usize)>\nwhere\n    T: Ord,\n    T: Copy,\n    T: std::ops::Sub<Output = T>,\n{\n    if values.len() <= 1 {\n        return None;\n    }\n\n    let mut min_positions: Vec<usize> = Vec::new();\n    let mut max_positions: Vec<usize> = Vec::new();\n\n    min_positions.push(0);\n    max_positions.push(0);\n\n    for i in 1..(values.len() - 1) {\n        let value = values[i];\n        let prev_value = values[i - 1];\n        let next_value = values[i + 1];\n\n        if (value >= prev_value) && (value >= next_value) {\n            max_positions.push(i);\n        }\n        if (value <= prev_value) && (value <= next_value) {\n            min_positions.push(i);\n        }\n    }\n\n    min_positions.push(values.len() - 1);\n    max_positions.push(values.len() - 1);\n\n    let mut max_delta: Option<(T, usize, usize)> = None;\n    let mut max_position_index: usize = 0;\n\n    for i in 0..min_positions.len() {\n        let min_position = min_positions[i];\n        let min_position_value = values[min_position];\n        while max_positions[max_position_index] <= min_positions[i] {\n            max_position_index += 1;\n            if max_position_index >= max_positions.len() {\n                break;\n            }\n        }\n        if max_position_index >= max_positions.len() {\n            break;\n        }\n        for j in max_position_index..max_positions.len() {\n            let max_position = max_positions[j];\n            let max_position_value = values[max_position];\n            let delta_value = max_position_value - min_position_value;\n            if let Some((max_delta_value, _max_delta_start, _max_delta_end)) = max_delta {\n                if delta_value > max_delta_value {\n                    max_delta = Some((delta_value, min_position, max_position));\n                }\n            } else {\n                max_delta = Some((delta_value, min_position, max_position));\n            }\n        }\n    }\n\n    return max_delta;\n}\n\nfn get_best_score(values: &Vec<u8>) -> usize {\n    let mut switch_scores: Vec<isize> = Vec::with_capacity(values.len() + 1);\n    switch_scores.push(0);\n    let mut current_switch_score: isize = 0;\n    let mut base_score: usize = 0;\n    for &value in values {\n        if value == 0 {\n            current_switch_score += 1;\n        } else {\n            current_switch_score -= 1;\n            base_score += 1;\n        }\n        switch_scores.push(current_switch_score);\n    }\n\n    let (max_switch_score, _, _) = get_max_delta(&switch_scores).unwrap();\n\n    return ((base_score as isize) + max_switch_score) as usize;\n}\n\n#[cfg(test)]\nmod tests {\n    use super::{get_best_score, get_max_delta};\n\n    #[test]\n    fn test_get_best_score_1() {\n        assert_eq!(get_best_score(&vec![1, 0, 0, 1, 0]), 4);\n    }\n    #[test]\n    fn test_get_best_score_2() {\n        assert_eq!(get_best_score(&vec![1, 0, 0, 1]), 4);\n    }\n    #[test]\n    fn test_get_best_score_3() {\n        assert_eq!(get_best_score(&vec![1, 0, 1, 0, 1, 0]), 4);\n    }\n    #[test]\n    fn test_get_best_score_4() {\n        assert_eq!(get_best_score(&vec![1]), 0);\n    }\n    #[test]\n    fn test_get_best_score_5() {\n        assert_eq!(get_best_score(&vec![0]), 1);\n    }\n\n    fn do_test_max_delta(values: &Vec<i32>) {\n        if values.len() <= 1 {\n            assert_eq!(get_max_delta(values), None);\n            return;\n        }\n\n        let mut max_delta: i32 = 0;\n        for i in 0..values.len() {\n            for j in (i + 1)..values.len() {\n                let delta: i32 = values[j] - values[i];\n                if delta > max_delta {\n                    max_delta = delta;\n                }\n            }\n        }\n\n        let (result_max_delta, result_start, result_end) = get_max_delta(values).unwrap();\n        assert_eq!(result_max_delta, max_delta);\n        assert_eq!(values[result_end] - values[result_start], max_delta);\n    }\n\n    #[test]\n    fn test_get_max_delta_1() {\n        do_test_max_delta(&vec![1, 2, 7, 19, 20, 3, 0, -4, 4]);\n    }\n    #[test]\n    fn test_get_max_delta_2() {\n        do_test_max_delta(&vec![0, 0, 0, 3]);\n    }\n    #[test]\n    fn test_get_max_delta_3() {\n        do_test_max_delta(&vec![1]);\n    }\n}\n\nfn main() {\n    let stdin = stdin();\n    let mut stdin_lock = stdin.lock();\n\n    {\n        let mut skip_buffer = String::new();\n        stdin_lock.read_line(&mut skip_buffer).unwrap();\n    }\n    let mut string_buffer = String::new();\n    stdin_lock.read_line(&mut string_buffer).unwrap();\n    let values: Vec<u8> = string_buffer\n        .trim()\n        .split_whitespace()\n        .map(|s| s.parse::<u8>().unwrap())\n        .collect();\n\n    let best_score: usize = get_best_score(&values);\n    println!(\"{}\", best_score);\n}\n", "lang": "Rust", "bug_code_uid": "cfa75e0950c0bb7bf4807e25a9bbeb38", "src_uid": "9b543e07e805fe1dd8fa869d5d7c8b99", "apr_id": "6916977dfd0e4610c16e282cfec03f8b", "difficulty": 1200, "tags": ["dp", "brute force", "implementation"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "insert", "lang_cluster": "Rust"}
{"similarity_score": 0.998389694041868, "equal_cnt": 2, "replace_cnt": 1, "delete_cnt": 0, "insert_cnt": 0, "fix_ops_cnt": 1, "bug_source_code": "// 2018-10-12 13:59\nfn main() {\n    let _ = {\n        let mut line = String::new();\n        std::io::stdin().read_line(&mut line).unwrap();\n        line.trim().to_string()\n    };\n    let v: Vec<i32> = {\n        let mut line = String::new();\n        std::io::stdin().read_line(&mut line).unwrap();\n        line.trim()\n            .split(\" \")\n            .map(|s| s.parse::<i32>().unwrap())\n            .collect()\n    };\n\n    let n = v.len();\n    let orig = v.iter().filter(|&x| *x == 1).count() as i32;\n\n    let mut dp = vec![vec![0; n + 1]; n + 1];\n    let mut inc = 0;\n    for i in 0..n {\n        for j in i + 1..n + 1 {\n            dp[i][j] = {\n                if v[j - 1] == 0 {\n                    dp[i][j - 1] + 1\n                } else {\n                    dp[i][j - 1]\n                }\n            };\n            inc = std::cmp::max(inc, dp[i][j] * 2 - (j - i) as i32);\n        }\n    }\n    println!(\"{:?}\", inc + orig);\n}\n", "lang": "Rust", "bug_code_uid": "b07bdf1359ff2b151b86cfadc42683b3", "src_uid": "9b543e07e805fe1dd8fa869d5d7c8b99", "apr_id": "eef936d4b051cd9be86a4e72949f3e88", "difficulty": 1200, "tags": ["dp", "brute force", "implementation"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "replace", "lang_cluster": "Rust"}
{"similarity_score": 0.40500201694231547, "equal_cnt": 20, "replace_cnt": 12, "delete_cnt": 4, "insert_cnt": 3, "fix_ops_cnt": 19, "bug_source_code": "fn main() {\n    let mut s = String::new();\n    std::io::stdin().read_line(&mut s).unwrap();\n    let n : usize = s.trim().parse().unwrap();\n    s = String::new();\n    std::io::stdin().read_line(&mut s).unwrap();\n    let ints:Vec<i32> = s.split_whitespace().map(|x| x.parse().unwrap()).collect();\n    let mut onesum : Vec<i32> = vec![0];\n    let mut onerevsum : Vec<i32> = vec![0];\n    let mut sum = 0;\n    let mut revsum = 0;\n    let mut newints : Vec<i32> = vec![ints[0]];\n    let mut newintscount : Vec<i32> = vec![0];\n    let mut lastnum=ints[0];\n\n    for i in 0..n {\n        *onesum.last_mut().unwrap() = sum;\n        *onerevsum.first_mut().unwrap() = revsum;\n        sum+=ints[i];\n        revsum+=ints[n-i-1];\n        if ints[i] == lastnum {\n            *(newintscount.last_mut().unwrap())+=if ints[i]==0 {1} else{0};\n        } else {\n            onesum.push(0);\n            onerevsum.insert(0,0);\n            newints.push(ints[i]);\n            newintscount.push(if ints[i]==0 {1} else {0});\n        }\n        lastnum = ints[i];\n    }\n    *onesum.last_mut().unwrap() = sum;\n    *onerevsum.first_mut().unwrap() = revsum;\n\n//    println!(\"{:?}\",newints);\n//    println!(\"{:?}\",newintscount);\n//    println!(\"{:?}\",onesum);\n//    println!(\"{:?}\",onerevsum);\n\n    let mut max = 0;\n\n    for i in 0..(newints.len()) {\n        for j in i..(newints.len()) {\n            if newints[i] == 0 && newints[j] == 0 {\n                let subsum = &newintscount[i..=j].iter().fold(0, |acc, x| acc+x) + onesum[i] + onerevsum[j];\n//                println!(\"slice={:?} sum={}\",&newints[i..=j],subsum); \n                max = std::cmp::max(max, subsum);\n            }\n        }\n    }\n    println!(\"{}\",max);\n\n}\n      \n\n\n", "lang": "Rust", "bug_code_uid": "24f04f047b6fc9dfe68ad774052de13f", "src_uid": "9b543e07e805fe1dd8fa869d5d7c8b99", "apr_id": "f9eaa26160cda82923dc7b6949e9455f", "difficulty": 1200, "tags": ["dp", "brute force", "implementation"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "replace", "lang_cluster": "Rust"}
{"similarity_score": 0.639186295503212, "equal_cnt": 7, "replace_cnt": 6, "delete_cnt": 0, "insert_cnt": 1, "fix_ops_cnt": 7, "bug_source_code": "macro_rules! input {\n    (source = $s:expr, $($r:tt)*) => {\n        let mut iter = $s.split_whitespace();\n        input_inner!{iter, $($r)*}\n    };\n    ($($r:tt)*) => {\n        let s = {\n            use std::io::Read;\n            let mut s = String::new();\n            std::io::stdin().read_to_string(&mut s).unwrap();\n            s\n        };\n        let mut iter = s.split_whitespace();\n        input_inner!{iter, $($r)*}\n    };\n}\n\nmacro_rules! input_inner {\n    ($iter:expr) => {};\n    ($iter:expr, ) => {};\n\n    ($iter:expr, $var:ident : $t:tt $($r:tt)*) => {\n        let $var = read_value!($iter, $t);\n        input_inner!{$iter $($r)*}\n    };\n}\n\nmacro_rules! read_value {\n    ($iter:expr, ( $($t:tt),* )) => {\n        ( $(read_value!($iter, $t)),* )\n    };\n\n    ($iter:expr, [ $t:tt ; $len:expr ]) => {\n        (0..$len).map(|_| read_value!($iter, $t)).collect::<Vec<_>>()\n    };\n\n    ($iter:expr, chars) => {\n        read_value!($iter, String).chars().collect::<Vec<char>>()\n    };\n\n    ($iter:expr, usize1) => {\n        read_value!($iter, usize) - 1\n    };\n\n    ($iter:expr, $t:ty) => {\n        $iter.next().unwrap().parse::<$t>().expect(\"Parse error\")\n    };\n}\n\nstruct State(u32, u32);\n\nfn main() {\n    input! {\n        n: usize,\n        a: [u8; n],\n    }\n\n    let mut state = State(0, 0);\n    let num_of_1 = a.iter().filter(|x| **x == 1).count();\n\n    for x in a {\n        state = if x == 1 {\n            State(std::cmp::max(state.0, state.1), 0)\n        } else {\n            State(state.0, state.1 + 1)\n        };\n    }\n    println!(\"{}\", num_of_1 as u32 + state.0);\n}\n", "lang": "Rust", "bug_code_uid": "1cd9be21e53476ec986edf1446d4a73e", "src_uid": "9b543e07e805fe1dd8fa869d5d7c8b99", "apr_id": "8a25f70799a63637c8dc4354e607de40", "difficulty": 1200, "tags": ["dp", "brute force", "implementation"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "replace", "lang_cluster": "Rust"}
{"similarity_score": 0.9497326203208556, "equal_cnt": 3, "replace_cnt": 0, "delete_cnt": 0, "insert_cnt": 2, "fix_ops_cnt": 2, "bug_source_code": "struct Scan {\n    buffer: std::collections::VecDeque<String>\n}\n\nimpl Scan {\n    fn new() -> Scan {\n        Scan { buffer: std::collections::VecDeque::new() }\n    }\n\n    fn next<T: std::str::FromStr>(&mut self)-> T {\n        loop {\n            if let Some(token) = self.buffer.pop_front() {\n                break token.parse::<T>().ok().unwrap();\n            }\n            let mut line = String::new();\n            std::io::stdin().read_line(&mut line).expect(\"Fail to read\");\n            self.buffer = line.split_whitespace().map(String::from).collect();\n        }\n    }\n\n    fn next_n<T: std::str::FromStr>(&mut self, n: usize) -> Vec<T> {\n        (0..n).map(|_| self.next::<T>()).collect()\n    }\n\n}\n\nfn _main() {\n    let mut scan = Scan::new();\n    let n: usize = scan.next();\n    let arr: Vec<isize> = scan.next_n(n);\n    let total: isize = arr.iter().sum();\n    // convert to an array in which Kadane can be used\n    let arr2: Vec<isize> = arr.into_iter().map(|x| if x==1 { -1 } else { 1 }).collect();\n    let mut cnt: isize = 0;\n    let mut maxcnt: isize = 0;\n    for i in 0..n {\n        cnt += arr2[i];\n        if cnt < 0 { cnt = 0; }\n        maxcnt = maxcnt.max(cnt);\n    }\n    println!(\"{}\", total + maxcnt);\n}\n\nfn main() {\n    std::thread::Builder::new()\n        .stack_size(1<<23).spawn(_main).unwrap().join().unwrap();\n}\n", "lang": "Rust", "bug_code_uid": "8df4efe3f66f6f42fb1bfdb0ef767ca7", "src_uid": "9b543e07e805fe1dd8fa869d5d7c8b99", "apr_id": "602eb98c905db339e9a25d92747d118e", "difficulty": 1200, "tags": ["dp", "brute force", "implementation"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "insert", "lang_cluster": "Rust"}
{"similarity_score": 0.8842809364548495, "equal_cnt": 12, "replace_cnt": 9, "delete_cnt": 1, "insert_cnt": 1, "fix_ops_cnt": 11, "bug_source_code": "#![allow(unused_imports)]\n#![allow(unused_macros)]\nuse std::io::{StdinLock, stdin, BufRead};\nuse std::collections::*;\nuse std::cmp::*;\n\nfn scan_helper(lock : &mut StdinLock) -> String {\n    let mut buffer = String::new();\n    lock.read_line(&mut buffer).ok();\n    buffer\n}\n\nmacro_rules! scan {\n    ($lock:ident, $t:ty) => ({\n        scan_helper(&mut $lock).split_whitespace()\n            .next().unwrap()\n            .parse::<$t>().unwrap()\n    });\n    ($lock:ident, $($t:ty),+) => ({\n        let buffer = scan_helper(&mut $lock);\n        let mut iter = buffer.split_whitespace();\n        ($(\n            {\n                iter.next().unwrap()\n                    .parse::<$t>().unwrap()\n            },\n        )+)\n    })\n}\n\nmacro_rules! scan_iter {\n    ($lock:ident, $t:ty) => ({\n        scan_helper(&mut $lock).split_whitespace()\n            .map(|x| x.parse::<$t>().unwrap())\n            .collect()\n    })\n}\n\ntrait Ext {\n    fn idx(&self) -> usize;\n    fn num(&self) -> i64;\n}\n\nmacro_rules! ext {\n    ($t:ty) => (\n        impl Ext for $t {\n            #[inline]\n            fn idx(&self) -> usize {\n                *self as usize\n            }\n\n            #[inline]\n            fn num(&self) -> i64 {\n                *self as i64\n            }\n        }\n    )\n}\next!(i64);\next!(usize);\n\n\n#[derive(Copy, Clone, Debug)]\nstruct Pair {\n    i : usize,\n    cost : i64\n}\nimpl PartialOrd for Pair {\n    fn partial_cmp(&self, other : &Pair) -> Option<Ordering> {\n        Some(self.cost.cmp(&other.cost))\n    }\n}\n\nimpl Ord for Pair {\n    fn cmp(&self, other : &Pair) -> Ordering {\n        self.partial_cmp(other).unwrap()\n    }\n}\n\nimpl PartialEq for Pair {\n    fn eq(&self, other : &Pair) -> bool {\n        self.cost == other.cost\n    }\n}\nimpl Eq for Pair {}\n\nfn main() {\n    let stdin = stdin();\n    let mut s = stdin.lock();\n    let _ = scan!(s, usize);\n    let mut data : Vec<_> = scan_iter!(s, i64);\n    let mut i = 0;\n    let mut j = data.len() - 1;\n\n    while data[i] == 1 {\n        i += 1;\n    }\n    while data[j] == 1 {\n        j -= 1;\n    }\n\n    for k in i..(j+1) {\n        data[k] = 1 - data[k];\n    }\n    let result = data.iter().fold(0, |c, x| c + x);\n    \n\n    println!(\"{}\", result);\n}", "lang": "Rust", "bug_code_uid": "2bf85426768c38d764c942bb30c5512f", "src_uid": "9b543e07e805fe1dd8fa869d5d7c8b99", "apr_id": "b1aead9b5cafc3c98061c7044d9961fa", "difficulty": 1200, "tags": ["dp", "brute force", "implementation"], "bug_exec_outcome": "RUNTIME_ERROR", "potential_dominant_fix_op": "replace", "lang_cluster": "Rust"}
{"similarity_score": 0.8820921985815603, "equal_cnt": 15, "replace_cnt": 10, "delete_cnt": 2, "insert_cnt": 2, "fix_ops_cnt": 14, "bug_source_code": "#![allow(unused_imports)]\n#![allow(unused_macros)]\nuse std::io::{StdinLock, stdin, BufRead};\nuse std::collections::*;\nuse std::cmp::*;\n\nfn scan_helper(lock : &mut StdinLock) -> String {\n    let mut buffer = String::new();\n    lock.read_line(&mut buffer).ok();\n    buffer\n}\n\nmacro_rules! scan {\n    ($lock:ident, $t:ty) => ({\n        scan_helper(&mut $lock).split_whitespace()\n            .next().unwrap()\n            .parse::<$t>().unwrap()\n    });\n    ($lock:ident, $($t:ty),+) => ({\n        let buffer = scan_helper(&mut $lock);\n        let mut iter = buffer.split_whitespace();\n        ($(\n            {\n                iter.next().unwrap()\n                    .parse::<$t>().unwrap()\n            },\n        )+)\n    })\n}\n\nmacro_rules! scan_iter {\n    ($lock:ident, $t:ty) => ({\n        scan_helper(&mut $lock).split_whitespace()\n            .map(|x| x.parse::<$t>().unwrap())\n            .collect()\n    })\n}\n\ntrait Ext {\n    fn idx(&self) -> usize;\n    fn num(&self) -> i64;\n}\n\nmacro_rules! ext {\n    ($t:ty) => (\n        impl Ext for $t {\n            #[inline]\n            fn idx(&self) -> usize {\n                *self as usize\n            }\n\n            #[inline]\n            fn num(&self) -> i64 {\n                *self as i64\n            }\n        }\n    )\n}\next!(i64);\next!(usize);\n\n\n#[derive(Copy, Clone, Debug)]\nstruct Pair {\n    i : usize,\n    cost : i64\n}\nimpl PartialOrd for Pair {\n    fn partial_cmp(&self, other : &Pair) -> Option<Ordering> {\n        Some(self.cost.cmp(&other.cost))\n    }\n}\n\nimpl Ord for Pair {\n    fn cmp(&self, other : &Pair) -> Ordering {\n        self.partial_cmp(other).unwrap()\n    }\n}\n\nimpl PartialEq for Pair {\n    fn eq(&self, other : &Pair) -> bool {\n        self.cost == other.cost\n    }\n}\nimpl Eq for Pair {}\n\nfn main() {\n    let stdin = stdin();\n    let mut s = stdin.lock();\n    let _ = scan!(s, usize);\n    let mut data : Vec<_> = scan_iter!(s, i64);\n    let mut i = 0;\n    let mut j = data.len() - 1;\n\n    while i < data.len() && data[i] == 1 {\n        i += 1;\n    }\n    while j > 0 && data[j] == 1 {\n        j -= 1;\n    }\n\n    for k in i..(j+1) {\n        data[k] = 1 - data[k];\n    }\n    let result = data.iter().fold(0, |c, x| c + x);\n    \n\n    println!(\"{}\", result);\n}", "lang": "Rust", "bug_code_uid": "14c3c30fb3335105da079ffd59dee7b7", "src_uid": "9b543e07e805fe1dd8fa869d5d7c8b99", "apr_id": "b1aead9b5cafc3c98061c7044d9961fa", "difficulty": 1200, "tags": ["dp", "brute force", "implementation"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "replace", "lang_cluster": "Rust"}
{"similarity_score": 0.9696677900818488, "equal_cnt": 3, "replace_cnt": 0, "delete_cnt": 0, "insert_cnt": 2, "fix_ops_cnt": 2, "bug_source_code": "// use rand::Rng;\n\nuse std::collections::*;\nuse std::io;\n\nfn trim_newline(s: &mut String) {\n    if s.ends_with('\\n') {\n        s.pop();\n        if s.ends_with('\\r') {\n            s.pop();\n        }\n    }\n}\nmacro_rules! parse_input {\n    ($t:ident) => {{\n        let mut input_line = String::new();\n        io::stdin().read_line(&mut input_line).unwrap();\n        trim_newline(&mut input_line);\n        input_line.parse::<$t>().unwrap()\n    }};\n}\n\nmacro_rules! split_input {\n    ($t:ident) => {{\n        parse_input!(String)\n            .split(\" \")\n            .map(|z| z.parse::<$t>().unwrap())\n            .collect::<Vec<$t>>()\n    }};\n}\n\nfn main() {\n    let a = parse_input!(u64);\n    let b = split_input!(u64);\n    let mut best = 0;\n    let mut cur = 0;\n    let ones: u64 = b.iter().sum();\n    for p in b.iter() {\n        if *p == 0 {\n            cur += 1;\n            best = std::cmp::max(best, cur);\n        } else if cur > 0 {\n            cur -= 1;\n        }\n    }\n\n    println!(\"{}\", ones + best);\n}\n", "lang": "Rust", "bug_code_uid": "06388e21fe743e8ca8f20874fe156d89", "src_uid": "9b543e07e805fe1dd8fa869d5d7c8b99", "apr_id": "aa6d4ade2b7cde0fd54f36472f5e9e5d", "difficulty": 1200, "tags": ["dp", "brute force", "implementation"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "insert", "lang_cluster": "Rust"}
{"similarity_score": 0.7195752009184845, "equal_cnt": 61, "replace_cnt": 42, "delete_cnt": 4, "insert_cnt": 14, "fix_ops_cnt": 60, "bug_source_code": "#[allow(unused_imports)]\nuse std::cmp::{min,max};\n#[allow(unused_imports)]\nuse std::collections::{BTreeMap,BTreeSet};\n#[allow(unused_imports)]\nuse std::ops::*;\n#[allow(unused_imports)]\nuse std::collections::BinaryHeap;\n\n#[allow(unused_macros)]\nmacro_rules! ite {\n    ($c:expr, $t:expr, $f:expr) => {{\n        if $c { $t } else { $f }\n    }};\n}\n\n// ref: tanakh <https://qiita.com/tanakh/items/0ba42c7ca36cd29d0ac8>\n// diff: using Parser\n#[macro_export]\nmacro_rules! input {\n    (source = $s:expr, $($r:tt)*) => {\n        let mut parser = Parser::from_str($s);\n        input_inner!{parser, $($r)*}\n    };\n    (parser = $parser:ident, $($r:tt)*) => {\n        input_inner!{$parser, $($r)*}\n    };\n    (new_stdin_parser = $parser:ident, $($r:tt)*) => {\n        let stdin = std::io::stdin();\n        let reader = std::io::BufReader::new(stdin.lock());\n        let mut $parser = Parser::new(reader);\n        input_inner!{$parser, $($r)*}\n    };\n    ($($r:tt)*) => {\n        input!{new_stdin_parser = parser, $($r)*}\n    };\n}\n\n#[macro_export]\nmacro_rules! input_inner {\n    ($parser:ident) => {};\n    ($parser:ident, ) => {};\n    ($parser:ident, $var:ident : $t:tt $($r:tt)*) => {\n        let $var = read_value!($parser, $t);\n        input_inner!{$parser $($r)*}\n    };\n}\n\n#[macro_export]\nmacro_rules! read_value {\n    ($parser:ident, ( $($t:tt),* )) => {\n        ( $(read_value!($parser, $t)),* )\n    };\n    ($parser:ident, [ $t:tt ; $len:expr ]) => {\n        (0..$len).map(|_| read_value!($parser, $t)).collect::<Vec<_>>()\n    };\n    ($parser:ident, chars) => {\n        read_value!($parser, String).chars().collect::<Vec<char>>()\n    };\n    ($parser:ident, usize1) => {\n        read_value!($parser, usize) - 1\n    };\n    ($parser:ident, $t:ty) => {\n        $parser.next::<$t>().expect(\"Parse error\")\n    };\n}\n\nfn prime_factorization(n: i64) -> Vec<(i64,usize)> {\n    let mut res = vec![];\n    let mut x = n;\n    let mut i = 2;\n    while i * i <= x {\n        let mut count = 0;\n        while x % i == 0 {\n            count += 1;\n            x /= i;\n        }\n        if count != 0 {\n            res.push((i, count));\n        }\n        i += 1;\n    }\n    if x != 1 {\n        res.push((x,1));\n    }\n    res\n}\n\nfn dfs(ps: &Vec<(i64,usize)>, prim: &Vec<usize>, prev: Mod, res: &mut BTreeMap<i64,Mod>, x: i64, i: usize, total_count: Mod) {\n    if i == ps.len() {\n        *res.entry(x).or_insert(Mod(0)) += prev / total_count;\n        return;\n    }\n    for k in 0..prim[i]+1 {\n        dfs(ps, prim, prev, res, x * ps[i].0.pow(k as u32), i+1, total_count);\n    }\n}\n\nfn dfs2(ps: &Vec<(i64, usize)>, i: usize, prim: &mut Vec<usize>, prev_map: &BTreeMap<i64,Mod>, new_map: &mut BTreeMap<i64,Mod>, y: i64) {\n    if i == ps.len() {\n        let mut total_count = Mod(1);\n        for k in 0..ps.len() {\n            total_count *= Mod(prim[k] as u64) + Mod(1);\n        }\n        let t = match prev_map.get(&y) {\n            Some(t) => *t,\n            None => Mod(0),\n        };\n        dfs(ps, prim, t, new_map, 1, 0, total_count);\n        return;\n    }\n    for k in 0..ps[i].1+1 {\n        prim.push(k);\n        dfs2(ps, i+1, prim, prev_map, new_map, y * ps[i].0.pow(k as u32));\n        prim.pop();\n    }\n}\n\nfn main() {\n    input! {\n        n: i64,\n        m: usize,\n    }\n    let ps = prime_factorization(n);\n    let mut btree = BTreeMap::new();\n    btree.insert(n, Mod(1));\n    for _ in 0..m {\n        let mut new_btree = BTreeMap::new();\n        dfs2(&ps, 0, &mut vec![], &btree, &mut new_btree, 1);\n        btree = new_btree;\n    }\n    let mut res = Mod(0);\n    for (&key,&x) in btree.iter() {\n        res += Mod(key as u64) * x;\n    }\n    println!(\"{}\", res.0);\n}\n\nuse std::ops::*;\n\nconst MOD : u64 = 1_000_000_007;\n#[derive(Clone,Copy,PartialEq,Debug)]\npub struct Mod (pub u64);\n\nimpl Mod {\n    pub fn pow(self, n: u64) -> Mod {\n        if n == 0 {\n            return Mod(1);\n        }\n        let t = self.pow(n/2);\n        if n % 2 == 0 {\n            t * t\n        }\n        else {\n            t * t * self\n        }\n    }\n}\n\nimpl Add for Mod {\n    type Output = Self;\n    fn add(self, rhs: Self) -> Self::Output {\n        Mod((self.0 + rhs.0) % MOD)\n    }\n}\n\nimpl AddAssign for Mod {\n    fn add_assign(&mut self, rhs: Self) {\n        *self = *self + rhs;\n    }\n}\n\nimpl Sub for Mod {\n    type Output = Self;\n    fn sub(self, rhs: Self) -> Self::Output {\n        Mod((self.0 + MOD - rhs.0 % MOD) % MOD)\n    }\n}\n\nimpl SubAssign for Mod {\n    fn sub_assign(&mut self, rhs: Self) {\n        *self = *self - rhs;\n    }\n}\n\nimpl Neg for Mod {\n    type Output = Mod;\n    fn neg(self) -> Mod {\n        Mod(MOD - self.0)\n    }\n}\n\nimpl Mul for Mod {\n    type Output = Self;\n    fn mul(self, rhs: Self) -> Self::Output {\n        Mod(self.0 % MOD * rhs.0 % MOD)\n    }\n}\n\nimpl MulAssign for Mod {\n    fn mul_assign(&mut self, rhs: Self) {\n        *self = *self * rhs;\n    }\n}\n\nimpl Div for Mod {\n    type Output = Self;\n    fn div(self, rhs: Self) -> Self::Output {\n        self * rhs.pow(MOD-2)\n    }\n}\n\nuse std::io::BufRead;\nuse std::io;\nuse std::str;\n\n// ref: tatsuya6502 <https://qiita.com/tatsuya6502/items/cd448486f7ef7b5b8c7e>\n// ref: wariuni <https://qiita.com/tatsuya6502/items/cd448486f7ef7b5b8c7e#comment-7040a5ae96305e884eb9>\n// diff: using std::io::BufRead::fill_buf()\npub struct Parser<R> {\n    reader: R,\n    buf: Vec<u8>,\n    pos: usize,\n}\n\nimpl Parser<io::Empty> {\n    pub fn from_str(s: &str) -> Parser<io::Empty> {\n        Parser {\n            reader: io::empty(),\n            buf: s.as_bytes().to_vec(),\n            pos: 0,\n        }\n    }\n}\n\nimpl<R:BufRead> Parser<R> {\n    pub fn new(reader: R) -> Parser<R> {\n        Parser {\n            reader: reader,\n            buf: vec![],\n            pos: 0,\n        }\n    }\n    pub fn update_buf(&mut self) {\n        self.buf.clear();\n        self.pos = 0;\n        loop {\n            let (len,complete) = {\n                let buf2 = self.reader.fill_buf().unwrap();\n                self.buf.extend_from_slice(buf2);\n                let len = buf2.len();\n                (len, buf2[len-1] <= 0x20)\n            };\n            self.reader.consume(len);\n            if complete {\n                break;\n            }\n        }\n    }\n    pub fn next<T:str::FromStr>(&mut self) -> Result<T, T::Err> {\n        loop {\n            let mut begin = self.pos;\n            while begin < self.buf.len() && (self.buf[begin] <= 0x20) {\n                begin += 1;\n            }\n            let mut end = begin;\n            while end < self.buf.len() && (self.buf[end] > 0x20) {\n                end += 1;\n            }\n            if begin != self.buf.len() {\n                self.pos = end;\n                return str::from_utf8(&self.buf[begin..end]).unwrap().parse::<T>();\n            }\n            else {\n                self.update_buf();\n            }\n        }\n    }\n}\n\nuse std::fmt::Display;\n#[allow(dead_code)]\nfn write_vec<T: Display>(xs: &Vec<T>) {\n    if xs.len() == 0 {\n        println!();\n        return;\n    }\n    print!(\"{}\", xs[0]);\n    for i in 1..xs.len() {\n        print!(\" {}\", xs[i]);\n    }\n    println!();\n}\n", "lang": "Rust", "bug_code_uid": "89738ef59d83250848ee6fa411ce21bf", "src_uid": "dc466d9c24b7dcb37c0e99337b4124d2", "apr_id": "6feb3d20e63b720773f0f0fab99a9249", "difficulty": 2200, "tags": ["dp", "math", "probabilities", "number theory"], "bug_exec_outcome": "TIME_LIMIT_EXCEEDED", "potential_dominant_fix_op": "replace", "lang_cluster": "Rust"}
{"similarity_score": 0.874551446356646, "equal_cnt": 34, "replace_cnt": 13, "delete_cnt": 2, "insert_cnt": 18, "fix_ops_cnt": 33, "bug_source_code": "#[allow(unused_imports)]\nuse std::cmp::{min,max};\n#[allow(unused_imports)]\nuse std::collections::{BTreeMap,BTreeSet};\n#[allow(unused_imports)]\nuse std::ops::*;\n#[allow(unused_imports)]\nuse std::collections::BinaryHeap;\n\n#[allow(unused_macros)]\nmacro_rules! ite {\n    ($c:expr, $t:expr, $f:expr) => {{\n        if $c { $t } else { $f }\n    }};\n}\n\n// ref: tanakh <https://qiita.com/tanakh/items/0ba42c7ca36cd29d0ac8>\n// diff: using Parser\n#[macro_export]\nmacro_rules! input {\n    (source = $s:expr, $($r:tt)*) => {\n        let mut parser = Parser::from_str($s);\n        input_inner!{parser, $($r)*}\n    };\n    (parser = $parser:ident, $($r:tt)*) => {\n        input_inner!{$parser, $($r)*}\n    };\n    (new_stdin_parser = $parser:ident, $($r:tt)*) => {\n        let stdin = std::io::stdin();\n        let reader = std::io::BufReader::new(stdin.lock());\n        let mut $parser = Parser::new(reader);\n        input_inner!{$parser, $($r)*}\n    };\n    ($($r:tt)*) => {\n        input!{new_stdin_parser = parser, $($r)*}\n    };\n}\n\n#[macro_export]\nmacro_rules! input_inner {\n    ($parser:ident) => {};\n    ($parser:ident, ) => {};\n    ($parser:ident, $var:ident : $t:tt $($r:tt)*) => {\n        let $var = read_value!($parser, $t);\n        input_inner!{$parser $($r)*}\n    };\n}\n\n#[macro_export]\nmacro_rules! read_value {\n    ($parser:ident, ( $($t:tt),* )) => {\n        ( $(read_value!($parser, $t)),* )\n    };\n    ($parser:ident, [ $t:tt ; $len:expr ]) => {\n        (0..$len).map(|_| read_value!($parser, $t)).collect::<Vec<_>>()\n    };\n    ($parser:ident, chars) => {\n        read_value!($parser, String).chars().collect::<Vec<char>>()\n    };\n    ($parser:ident, usize1) => {\n        read_value!($parser, usize) - 1\n    };\n    ($parser:ident, $t:ty) => {\n        $parser.next::<$t>().expect(\"Parse error\")\n    };\n}\n\nfn prime_factorization(n: i64) -> Vec<(i64,usize)> {\n    let mut res = vec![];\n    let mut x = n;\n    let mut i = 2;\n    while i * i <= x {\n        let mut count = 0;\n        while x % i == 0 {\n            count += 1;\n            x /= i;\n        }\n        if count != 0 {\n            res.push((i, count));\n        }\n        i += 1;\n    }\n    if x != 1 {\n        res.push((x,1));\n    }\n    res\n}\n\nfn dfs(ps: &Vec<(i64,usize)>, table: &Vec<Vec<Mod>>, i: usize, x: i64, prob: Mod) -> Mod {\n    if i == ps.len() {\n        return prob * Mod(x as u64);\n    }\n    let mut res = Mod(0);\n    for k in 0..ps[i].1+1 {\n        res += dfs(ps, table, i+1, x * ps[i].0.pow(k as u32), prob * table[i][k]);\n    }\n    res\n}\n\nfn main() {\n    input! {\n        n: i64,\n        m: u64,\n    }\n    let ps = prime_factorization(n);\n\n    let mut inv_table = vec![Mod(1), Mod(1)];\n    for i in 2..1000 {\n        inv_table.push(Mod(1) / Mod(i));\n    }\n\n    let mut table = vec![];\n    for &(p,count) in &ps {\n        let mut dp = vec![Mod(0); count+1];\n        dp[count] = Mod(1);\n        for _ in 0..m {\n            let mut dp2 = vec![Mod(0); count+1];\n            for j in 0..count+1 {\n                for k in 0..j+1 {\n                    // dp2[k] += dp[j] / Mod((j+1) as u64);\n                    dp2[k] += dp[j] * inv_table[j+1];\n                }\n            }\n            dp = dp2;\n        }\n        table.push(dp);\n    }\n\n    let res = dfs(&ps, &table, 0, 1, Mod(1));\n    println!(\"{}\", res.0);\n}\n\nuse std::ops::*;\n\nconst MOD : u64 = 1_000_000_007;\n#[derive(Clone,Copy,PartialEq,Debug)]\npub struct Mod (pub u64);\n\nimpl Mod {\n    pub fn pow(self, n: u64) -> Mod {\n        if n == 0 {\n            return Mod(1);\n        }\n        let t = self.pow(n/2);\n        if n % 2 == 0 {\n            t * t\n        }\n        else {\n            t * t * self\n        }\n    }\n}\n\nimpl Add for Mod {\n    type Output = Self;\n    fn add(self, rhs: Self) -> Self::Output {\n        Mod((self.0 + rhs.0) % MOD)\n    }\n}\n\nimpl AddAssign for Mod {\n    fn add_assign(&mut self, rhs: Self) {\n        *self = *self + rhs;\n    }\n}\n\nimpl Sub for Mod {\n    type Output = Self;\n    fn sub(self, rhs: Self) -> Self::Output {\n        Mod((self.0 + MOD - rhs.0 % MOD) % MOD)\n    }\n}\n\nimpl SubAssign for Mod {\n    fn sub_assign(&mut self, rhs: Self) {\n        *self = *self - rhs;\n    }\n}\n\nimpl Neg for Mod {\n    type Output = Mod;\n    fn neg(self) -> Mod {\n        Mod(MOD - self.0)\n    }\n}\n\nimpl Mul for Mod {\n    type Output = Self;\n    fn mul(self, rhs: Self) -> Self::Output {\n        Mod(self.0 % MOD * rhs.0 % MOD)\n    }\n}\n\nimpl MulAssign for Mod {\n    fn mul_assign(&mut self, rhs: Self) {\n        *self = *self * rhs;\n    }\n}\n\nimpl Div for Mod {\n    type Output = Self;\n    fn div(self, rhs: Self) -> Self::Output {\n        if rhs.0 == 0 {\n            loop {}\n        }\n        assert!(rhs.0 != 0);\n        self * rhs.pow(MOD-2)\n    }\n}\n\nuse std::io::BufRead;\nuse std::io;\nuse std::str;\n\n// ref: tatsuya6502 <https://qiita.com/tatsuya6502/items/cd448486f7ef7b5b8c7e>\n// ref: wariuni <https://qiita.com/tatsuya6502/items/cd448486f7ef7b5b8c7e#comment-7040a5ae96305e884eb9>\n// diff: using std::io::BufRead::fill_buf()\npub struct Parser<R> {\n    reader: R,\n    buf: Vec<u8>,\n    pos: usize,\n}\n\nimpl Parser<io::Empty> {\n    pub fn from_str(s: &str) -> Parser<io::Empty> {\n        Parser {\n            reader: io::empty(),\n            buf: s.as_bytes().to_vec(),\n            pos: 0,\n        }\n    }\n}\n\nimpl<R:BufRead> Parser<R> {\n    pub fn new(reader: R) -> Parser<R> {\n        Parser {\n            reader: reader,\n            buf: vec![],\n            pos: 0,\n        }\n    }\n    pub fn update_buf(&mut self) {\n        self.buf.clear();\n        self.pos = 0;\n        loop {\n            let (len,complete) = {\n                let buf2 = self.reader.fill_buf().unwrap();\n                self.buf.extend_from_slice(buf2);\n                let len = buf2.len();\n                (len, buf2[len-1] <= 0x20)\n            };\n            self.reader.consume(len);\n            if complete {\n                break;\n            }\n        }\n    }\n    pub fn next<T:str::FromStr>(&mut self) -> Result<T, T::Err> {\n        loop {\n            let mut begin = self.pos;\n            while begin < self.buf.len() && (self.buf[begin] <= 0x20) {\n                begin += 1;\n            }\n            let mut end = begin;\n            while end < self.buf.len() && (self.buf[end] > 0x20) {\n                end += 1;\n            }\n            if begin != self.buf.len() {\n                self.pos = end;\n                return str::from_utf8(&self.buf[begin..end]).unwrap().parse::<T>();\n            }\n            else {\n                self.update_buf();\n            }\n        }\n    }\n}\n\nuse std::fmt::Display;\n#[allow(dead_code)]\nfn write_vec<T: Display>(xs: &Vec<T>) {\n    if xs.len() == 0 {\n        println!();\n        return;\n    }\n    print!(\"{}\", xs[0]);\n    for i in 1..xs.len() {\n        print!(\" {}\", xs[i]);\n    }\n    println!();\n}\n", "lang": "Rust", "bug_code_uid": "3d50e4c61712b951758f68df78f5321b", "src_uid": "dc466d9c24b7dcb37c0e99337b4124d2", "apr_id": "6feb3d20e63b720773f0f0fab99a9249", "difficulty": 2200, "tags": ["dp", "math", "probabilities", "number theory"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "insert", "lang_cluster": "Rust"}
{"similarity_score": 0.9956236323851203, "equal_cnt": 2, "replace_cnt": 1, "delete_cnt": 0, "insert_cnt": 0, "fix_ops_cnt": 1, "bug_source_code": "use std::io::stdin;\n\nfn main() {\n    let mut input = String::new();\n    stdin().read_line(&mut input).unwrap();\n    let mut input = input.split_whitespace().map(|k| k.parse::<u32>().unwrap());\n    let m = input.next().unwrap();\n    let b = input.next().unwrap();\n\n    let ans = (0..(m * b + 1)).map(|x| {\n        let y = b - (x + m - 1) / m;\n        let tmp = (x + 1) * (y + 1) * (x + y) / 2 ;\n        tmp\n    }).max().unwrap();\n\n    println!(\"{}\", ans);\n}\n", "lang": "Rust", "bug_code_uid": "984f4fc398d59475024608e5a81355d7", "src_uid": "9300f1c07dd36e0cf7e6cb7911df4cf2", "apr_id": "df0c2afab927c64f98d0660e808c88a6", "difficulty": 1300, "tags": ["math", "brute force"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "replace", "lang_cluster": "Rust"}
{"similarity_score": 0.9756662804171495, "equal_cnt": 4, "replace_cnt": 1, "delete_cnt": 2, "insert_cnt": 0, "fix_ops_cnt": 3, "bug_source_code": "use std::cmp::min;\nuse std::io;\n\nfn factorial(n: u32) -> u32 {\n    (1..=n).fold(1, |acc, x| acc * x)\n}\n\nfn main() {\n    let mut line = String::new();\n    io::stdin().read_line(&mut line).unwrap();\n    let numbers: Vec<u32> = line\n        .split_whitespace()\n        .map(|s| s.parse().unwrap())\n        .collect();\n    let a = numbers[0];\n    let b = numbers[1];\n    let ans = min(factorial(a), factorial(b));\n    println!(\"{}\", ans);\n}\n", "lang": "Rust", "bug_code_uid": "471af36c7aaf68eb9d781fb19fa20b21", "src_uid": "7bf30ceb24b66d91382e97767f9feeb6", "apr_id": "024e685e67c2e85ded1f247b27870db9", "difficulty": 800, "tags": ["number theory", "math", "implementation"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "delete", "lang_cluster": "Rust"}
{"similarity_score": 0.9984387197501952, "equal_cnt": 2, "replace_cnt": 0, "delete_cnt": 0, "insert_cnt": 1, "fix_ops_cnt": 1, "bug_source_code": "//spnauti-rust\n#[allow(unused_macros)]\nmacro_rules! a {\n    ($c: tt, $x: expr, $y: expr) => {{\n        let b = $y; let a = &mut $x;\n        if b $c *a { *a = b; true } else { false }\n    }};\n}\nuse std::io::*;\nuse std::str::*;\nuse std::fmt::Debug;\nstruct WordReader<'a> { it : SplitAsciiWhitespace<'a>, }\n#[allow(dead_code)]\nimpl<'a> WordReader<'a> {\n    fn new<T: Read>(b: &mut String, mut r: T) -> WordReader {\n        b.clear();\n        r.read_to_string(b).unwrap();\n        WordReader { it: b.split_ascii_whitespace() }\n    }\n    fn from_stdin(b: &mut String) -> WordReader {\n        WordReader::new(b, stdin())\n    }\n    fn sl(&mut self) ->  &str { self.it.next().unwrap() }\n    fn bs(&mut self) -> &[u8] { self.sl().as_bytes()    }\n    fn s(&mut self) -> String { String::from(self.sl()) }\n    fn i(&mut self) ->    i32 { self.p()                }\n    fn p<T: FromStr>(&mut self) -> T where T::Err: Debug {\n        self.sl().parse::<T>().unwrap()\n    }\n    fn vp<T: FromStr>(&mut self, n: usize) -> Vec<T> where T::Err: Debug {\n        (0..n).map(|_| self.p()).collect()\n    }\n}\n\nfn main() {\n    let mut bin = String::new();\n    let mut input = WordReader::from_stdin(&mut bin);\n\n    println!(\"{}\", (1..(input.i().min(input.i()) as i64))\n             .product::<i64>());\n}\n\n", "lang": "Rust", "bug_code_uid": "aa54257b438ed5353b65530856295ed7", "src_uid": "7bf30ceb24b66d91382e97767f9feeb6", "apr_id": "316fb619b0dffe966b7b727a7bfdacae", "difficulty": 800, "tags": ["number theory", "math", "implementation"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "insert", "lang_cluster": "Rust"}
{"similarity_score": 0.9998491211305857, "equal_cnt": 4, "replace_cnt": 2, "delete_cnt": 1, "insert_cnt": 0, "fix_ops_cnt": 3, "bug_source_code": "// codesnip-guard: main\nfn main() {\n    #![allow(unused_imports, unused_macros)]\n    prepare_io!(_in_buf, scanner, _out);\n    macro_rules ! print { ($ ($ arg : tt) *) => (:: std :: write ! (_out , $ ($ arg) *) . expect (\"io error\")) }\n    macro_rules ! println { ($ ($ arg : tt) *) => (:: std :: writeln ! (_out , $ ($ arg) *) . expect (\"io error\")) }\n    scan!(scanner, n, m, s: [{CharsWithBase('a')}; n]);\n    let mut t = Trie::new(26);\n    let mut deq = std::collections::VecDeque::new();\n    deq.push_back((0, 0));\n    let mut idx = Indexing::new();\n    idx.get((0, 0));\n    for s in s.iter() {\n        let x = t.insert(s.iter().cloned());\n    }\n    let mut mp = std::collections::HashMap::<_, M>::new();\n    while let Some((u, v)) = deq.pop_front() {\n        let i = idx.get((u, v));\n        for ch in 0..26 {\n            if let (Some(nu), Some(nv)) = (t.next_node(u, ch), t.next_node(v, ch)) {\n                let x = minmax!(nu, nv);\n                if !idx.contains(&x) {\n                    deq.push_back(x);\n                }\n                *mp.entry((i, idx.get(x))).or_default() += M::one();\n                if t.count(nu) > 0 {\n                    let x = minmax!(nu, 0);\n                    if !idx.contains(&x) {\n                        deq.push_back(x);\n                    }\n                    *mp.entry((i, idx.get(x))).or_default() += M::one();\n                }\n                if t.count(nv) > 0 {\n                    let x = minmax!(0, nv);\n                    if !idx.contains(&x) {\n                        deq.push_back(x);\n                    }\n                    *mp.entry((i, idx.get(x))).or_default() += M::one();\n                }\n                if t.count(nu) > 0 && t.count(nv) > 0 {\n                    *mp.entry((i, 0)).or_default() += M::one();\n                }\n            }\n        }\n    }\n    let k = idx.len();\n    let mut mat = vec![vec![M::zero(); k]; k];\n    for ((i, j), v) in mp {\n        mat[i][j] += v;\n    }\n    let ans = Matrix::from_vec(mat).pow(m)[0][0];\n    println!(\"{}\", ans);\n}\n#[derive(Debug, Clone)]\npub struct Indexing<T: Eq + std::hash::Hash> {\n    map: std::collections::HashMap<T, usize>,\n}\nimpl<T: Eq + std::hash::Hash> Indexing<T> {\n    pub fn new() -> Self {\n        Self {\n            map: Default::default(),\n        }\n    }\n    pub fn len(&self) -> usize {\n        self.map.len()\n    }\n    pub fn contains(&self, key: &T) -> bool {\n        self.map.contains_key(key)\n    }\n    pub fn get(&mut self, key: T) -> usize {\n        if let Some(index) = self.map.get(&key) {\n            *index\n        } else {\n            let index = self.map.len();\n            self.map.insert(key, index);\n            index\n        }\n    }\n}\npub type M = montgomery::MInt998244353;\n#[macro_export]\nmacro_rules! prepare_io {\n    ($ in_buf : ident , $ scanner : ident , $ out : ident) => {\n        use std::io::{stdout, BufWriter, Write as _};\n        let $in_buf = read_stdin_all_unchecked();\n        let mut $scanner = Scanner::new(&$in_buf);\n        let $out = stdout();\n        let mut $out = BufWriter::new($out.lock());\n    };\n}\n// codesnip-guard: _echo\npub fn echo<T: std::fmt::Display>(\n    mut writer: impl std::io::Write,\n    iter: impl IntoIterator<Item = T>,\n    sep: impl std::fmt::Display,\n) -> std::io::Result<()> {\n    let mut iter = iter.into_iter();\n    if let Some(item) = iter.next() {\n        write!(writer, \"{}\", item)?;\n    }\n    for item in iter {\n        write!(writer, \"{}{}\", sep, item)?;\n    }\n    writeln!(writer)\n}\n// codesnip-guard: scanner\npub fn read_stdin_all_unchecked() -> String {\n    use std::io::Read as _;\n    let mut buf = Vec::new();\n    std::io::stdin().read_to_end(&mut buf).expect(\"io error\");\n    unsafe { String::from_utf8_unchecked(buf) }\n}\npub fn read_stdin_line() -> String {\n    let mut s = String::new();\n    std::io::stdin().read_line(&mut s).expect(\"io error\");\n    s\n}\npub trait IterScan: Sized {\n    type Output;\n    fn scan<'a, I: Iterator<Item = &'a str>>(iter: &mut I) -> Option<Self::Output>;\n}\npub trait MarkedIterScan: Sized {\n    type Output;\n    fn mscan<'a, I: Iterator<Item = &'a str>>(self, iter: &mut I) -> Option<Self::Output>;\n}\n#[derive(Clone, Debug)]\npub struct Scanner<'a> {\n    iter: std::str::SplitAsciiWhitespace<'a>,\n}\nmod scanner_impls {\n    use super::*;\n    impl<'a> Scanner<'a> {\n        #[inline]\n        pub fn new(s: &'a str) -> Self {\n            let iter = s.split_ascii_whitespace();\n            Self { iter }\n        }\n        #[inline]\n        pub fn scan<T: IterScan>(&mut self) -> <T as IterScan>::Output {\n            <T as IterScan>::scan(&mut self.iter).expect(\"scan error\")\n        }\n        #[inline]\n        pub fn mscan<T: MarkedIterScan>(&mut self, marker: T) -> <T as MarkedIterScan>::Output {\n            marker.mscan(&mut self.iter).expect(\"scan error\")\n        }\n        #[inline]\n        pub fn scan_vec<T: IterScan>(&mut self, size: usize) -> Vec<<T as IterScan>::Output> {\n            (0..size)\n                .map(|_| <T as IterScan>::scan(&mut self.iter).expect(\"scan error\"))\n                .collect()\n        }\n        #[inline]\n        pub fn iter<'b, T: IterScan>(&'b mut self) -> ScannerIter<'a, 'b, T> {\n            ScannerIter {\n                inner: self,\n                _marker: std::marker::PhantomData,\n            }\n        }\n    }\n    macro_rules ! iter_scan_impls { ($ ($ t : ty) *) => { $ (impl IterScan for $ t { type Output = Self ; # [inline] fn scan <'a , I : Iterator < Item = &'a str >> (iter : & mut I) -> Option < Self > { iter . next () ?. parse ::<$ t > () . ok () } }) * } ; }\n    iter_scan_impls ! (char u8 u16 u32 u64 usize i8 i16 i32 i64 isize f32 f64 u128 i128 String);\n    macro_rules ! iter_scan_tuple_impl { ($ ($ T : ident) *) => { impl <$ ($ T : IterScan) ,*> IterScan for ($ ($ T ,) *) { type Output = ($ (<$ T as IterScan >:: Output ,) *) ; # [inline] fn scan <'a , It : Iterator < Item = &'a str >> (_iter : & mut It) -> Option < Self :: Output > { Some (($ (<$ T as IterScan >:: scan (_iter) ?,) *)) } } } ; }\n    iter_scan_tuple_impl!();\n    iter_scan_tuple_impl!(A);\n    iter_scan_tuple_impl ! (A B);\n    iter_scan_tuple_impl ! (A B C);\n    iter_scan_tuple_impl ! (A B C D);\n    iter_scan_tuple_impl ! (A B C D E);\n    iter_scan_tuple_impl ! (A B C D E F);\n    iter_scan_tuple_impl ! (A B C D E F G);\n    iter_scan_tuple_impl ! (A B C D E F G H);\n    iter_scan_tuple_impl ! (A B C D E F G H I);\n    iter_scan_tuple_impl ! (A B C D E F G H I J);\n    iter_scan_tuple_impl ! (A B C D E F G H I J K);\n    pub struct ScannerIter<'a, 'b, T> {\n        inner: &'b mut Scanner<'a>,\n        _marker: std::marker::PhantomData<fn() -> T>,\n    }\n    impl<'a, 'b, T: IterScan> Iterator for ScannerIter<'a, 'b, T> {\n        type Item = <T as IterScan>::Output;\n        #[inline]\n        fn next(&mut self) -> Option<Self::Item> {\n            <T as IterScan>::scan(&mut self.inner.iter)\n        }\n    }\n}\n#[derive(Debug, Copy, Clone)]\npub struct Usize1;\n#[derive(Debug, Copy, Clone)]\npub struct CharWithBase(pub char);\n#[derive(Debug, Copy, Clone)]\npub struct Chars;\n#[derive(Debug, Copy, Clone)]\npub struct CharsWithBase(pub char);\n#[derive(Debug, Copy, Clone)]\npub struct Collect<T: IterScan, B: std::iter::FromIterator<<T as IterScan>::Output>> {\n    size: usize,\n    _marker: std::marker::PhantomData<fn() -> (T, B)>,\n}\nmod marker_impls {\n    use super::*;\n    use std::{iter::FromIterator, marker::PhantomData};\n    impl IterScan for Usize1 {\n        type Output = usize;\n        #[inline]\n        fn scan<'a, I: Iterator<Item = &'a str>>(iter: &mut I) -> Option<Self::Output> {\n            <usize as IterScan>::scan(iter)?.checked_sub(1)\n        }\n    }\n    impl MarkedIterScan for CharWithBase {\n        type Output = usize;\n        #[inline]\n        fn mscan<'a, I: Iterator<Item = &'a str>>(self, iter: &mut I) -> Option<Self::Output> {\n            Some((<char as IterScan>::scan(iter)? as u8 - self.0 as u8) as usize)\n        }\n    }\n    impl IterScan for Chars {\n        type Output = Vec<char>;\n        #[inline]\n        fn scan<'a, I: Iterator<Item = &'a str>>(iter: &mut I) -> Option<Self::Output> {\n            Some(iter.next()?.chars().collect())\n        }\n    }\n    impl MarkedIterScan for CharsWithBase {\n        type Output = Vec<usize>;\n        #[inline]\n        fn mscan<'a, I: Iterator<Item = &'a str>>(self, iter: &mut I) -> Option<Self::Output> {\n            Some(\n                iter.next()?\n                    .chars()\n                    .map(|c| (c as u8 - self.0 as u8) as usize)\n                    .collect(),\n            )\n        }\n    }\n    impl<T: IterScan, B: FromIterator<<T as IterScan>::Output>> Collect<T, B> {\n        pub fn new(size: usize) -> Self {\n            Self {\n                size,\n                _marker: PhantomData,\n            }\n        }\n    }\n    impl<T: IterScan, B: FromIterator<<T as IterScan>::Output>> MarkedIterScan for Collect<T, B> {\n        type Output = B;\n        #[inline]\n        fn mscan<'a, I: Iterator<Item = &'a str>>(self, iter: &mut I) -> Option<Self::Output> {\n            Some(\n                (0..self.size)\n                    .map(|_| <T as IterScan>::scan(iter).expect(\"scan error\"))\n                    .collect::<B>(),\n            )\n        }\n    }\n}\n#[macro_export]\nmacro_rules ! scan_value { ($ scanner : expr , ($ ($ t : tt) ,*)) => { ($ ($ crate :: scan_value ! ($ scanner , $ t)) ,*) } ; ($ scanner : expr , [$ t : tt ; $ len : expr]) => { (0 ..$ len) . map (| _ | $ crate :: scan_value ! ($ scanner , $ t)) . collect ::< Vec < _ >> () } ; ($ scanner : expr , [$ t : ty ; $ len : expr]) => { $ scanner . scan_vec ::<$ t > ($ len) } ; ($ scanner : expr , [$ t : ty]) => { $ scanner . iter ::<$ t > () } ; ($ scanner : expr , { $ e : expr }) => { $ scanner . mscan ($ e) } ; ($ scanner : expr , $ t : ty) => { $ scanner . scan ::<$ t > () } ; }\n#[macro_export]\nmacro_rules ! scan { ($ scanner : expr) => { } ; ($ scanner : expr ,) => { } ; ($ scanner : expr , mut $ var : tt : $ t : tt) => { let mut $ var = $ crate :: scan_value ! ($ scanner , $ t) ; } ; ($ scanner : expr , $ var : tt : $ t : tt) => { let $ var = $ crate :: scan_value ! ($ scanner , $ t) ; } ; ($ scanner : expr , mut $ var : tt : $ t : tt , $ ($ rest : tt) *) => { let mut $ var = $ crate :: scan_value ! ($ scanner , $ t) ; scan ! ($ scanner , $ ($ rest) *) } ; ($ scanner : expr , $ var : tt : $ t : tt , $ ($ rest : tt) *) => { let $ var = $ crate :: scan_value ! ($ scanner , $ t) ; scan ! ($ scanner , $ ($ rest) *) } ; ($ scanner : expr , mut $ var : tt) => { let mut $ var = $ crate :: scan_value ! ($ scanner , usize) ; } ; ($ scanner : expr , $ var : tt) => { let $ var = $ crate :: scan_value ! ($ scanner , usize) ; } ; ($ scanner : expr , mut $ var : tt , $ ($ rest : tt) *) => { let mut $ var = $ crate :: scan_value ! ($ scanner , usize) ; scan ! ($ scanner , $ ($ rest) *) } ; ($ scanner : expr , $ var : tt , $ ($ rest : tt) *) => { let $ var = $ crate :: scan_value ! ($ scanner , usize) ; scan ! ($ scanner , $ ($ rest) *) } ; }\n// codesnip-guard: Trie\npub struct Trie {\n    child: Vec<Vec<usize>>,\n    accept: Vec<usize>,\n    char_size: usize,\n}\nimpl Trie {\n    pub fn new(char_size: usize) -> Self {\n        Self {\n            child: vec![vec![0; char_size]],\n            accept: vec![0],\n            char_size,\n        }\n    }\n    pub fn insert_at(\n        &mut self,\n        mut node: usize,\n        iter: impl IntoIterator<Item = usize>,\n    ) -> Vec<usize> {\n        let mut path = Vec::new();\n        for ch in iter.into_iter() {\n            path.push(node);\n            if self.child[node][ch] == 0 {\n                self.child[node][ch] = self.child.len();\n                self.child.push(vec![0; self.char_size]);\n                self.accept.push(0);\n            }\n            node = self.child[node][ch];\n        }\n        path.push(node);\n        self.accept[node] += 1;\n        path\n    }\n    pub fn insert(&mut self, iter: impl IntoIterator<Item = usize>) -> Vec<usize> {\n        self.insert_at(0, iter)\n    }\n    pub fn find_at(\n        &self,\n        mut node: usize,\n        iter: impl IntoIterator<Item = usize>,\n    ) -> Result<usize, usize> {\n        for ch in iter.into_iter() {\n            if let Some(v) = self.child.get(node) {\n                node = v[ch];\n            } else {\n                return Err(node);\n            }\n        }\n        Ok(node)\n    }\n    pub fn find(&self, iter: impl IntoIterator<Item = usize>) -> Result<usize, usize> {\n        self.find_at(0, iter)\n    }\n    pub fn next_node(&self, node: usize, ch: usize) -> Option<usize> {\n        if self.child[node][ch] == 0 {\n            None\n        } else {\n            Some(self.child[node][ch])\n        }\n    }\n    pub fn count(&self, node: usize) -> usize {\n        self.accept[node]\n    }\n    pub fn next_count(&self, node: usize, ch: usize) -> usize {\n        if let Some(node) = self.next_node(node, ch) {\n            self.count(node)\n        } else {\n            0\n        }\n    }\n}\n// codesnip-guard: ord_tools\npub trait PartialOrdExt: Sized {\n    fn chmin(&mut self, other: Self);\n    fn chmax(&mut self, other: Self);\n    fn minmax(self, other: Self) -> (Self, Self);\n}\nimpl<T> PartialOrdExt for T\nwhere\n    T: PartialOrd,\n{\n    #[inline]\n    fn chmin(&mut self, other: Self) {\n        if *self > other {\n            *self = other;\n        }\n    }\n    #[inline]\n    fn chmax(&mut self, other: Self) {\n        if *self < other {\n            *self = other;\n        }\n    }\n    #[inline]\n    fn minmax(self, other: Self) -> (Self, Self) {\n        if self < other {\n            (self, other)\n        } else {\n            (other, self)\n        }\n    }\n}\n#[macro_export]\nmacro_rules ! min { ($ l : expr) => { $ l } ; ($ l : expr ,) => { $ crate :: min ! ($ l) } ; ($ l : expr , $ r : expr) => { ($ l) . min ($ r) } ; ($ l : expr , $ r : expr ,) => { $ crate :: min ! ($ l , $ r) } ; ($ l : expr , $ r : expr , $ ($ t : tt) *) => { $ crate :: min ! ($ crate :: min ! ($ l , $ r) , $ ($ t) *) } ; }\n#[macro_export]\nmacro_rules ! chmin { ($ l : expr) => { } ; ($ l : expr ,) => { } ; ($ l : expr , $ r : expr) => { { let r = $ r ; if $ l > r { $ l = r ; } } } ; ($ l : expr , $ r : expr ,) => { $ crate :: chmin ! ($ l , $ r) } ; ($ l : expr , $ r : expr , $ ($ t : tt) *) => { $ crate :: chmin ! ($ l , $ r) ; $ crate :: chmin ! ($ l , $ ($ t) *) } ; }\n#[macro_export]\nmacro_rules ! max { ($ l : expr) => { $ l } ; ($ l : expr ,) => { $ crate :: max ! ($ l) } ; ($ l : expr , $ r : expr) => { ($ l) . max ($ r) } ; ($ l : expr , $ r : expr ,) => { $ crate :: max ! ($ l , $ r) } ; ($ l : expr , $ r : expr , $ ($ t : tt) *) => { $ crate :: max ! ($ crate :: max ! ($ l , $ r) , $ ($ t) *) } ; }\n#[macro_export]\nmacro_rules ! chmax { ($ l : expr) => { } ; ($ l : expr ,) => { } ; ($ l : expr , $ r : expr) => { { let r = $ r ; if $ l < r { $ l = r ; } } } ; ($ l : expr , $ r : expr ,) => { $ crate :: chmax ! ($ l , $ r) } ; ($ l : expr , $ r : expr , $ ($ t : tt) *) => { $ crate :: chmax ! ($ l , $ r) ; $ crate :: chmax ! ($ l , $ ($ t) *) } ; }\n#[macro_export]\nmacro_rules ! minmax { ($ ($ t : tt) *) => { ($ crate :: min ! ($ ($ t) *) , $ crate :: max ! ($ ($ t) *)) } ; }\n// codesnip-guard: montgomery\npub mod montgomery {\n    use super::*;\n    pub struct Modulo998244353;\n    pub type MInt998244353 = MInt<Modulo998244353>;\n    impl<M> MIntBase for M\n    where\n        M: MontgomeryReduction32,\n    {\n        type Inner = u32;\n        #[inline]\n        fn get_mod() -> Self::Inner {\n            <Self as MontgomeryReduction32>::get_mod()\n        }\n        #[inline]\n        fn mod_zero() -> Self::Inner {\n            0\n        }\n        #[inline]\n        fn mod_one() -> Self::Inner {\n            Self::n1()\n        }\n        #[inline]\n        fn mod_add(x: Self::Inner, y: Self::Inner) -> Self::Inner {\n            let z = x + y;\n            let m = Self::get_mod();\n            if z >= m {\n                z - m\n            } else {\n                z\n            }\n        }\n        #[inline]\n        fn mod_sub(x: Self::Inner, y: Self::Inner) -> Self::Inner {\n            if x < y {\n                x + Self::get_mod() - y\n            } else {\n                x - y\n            }\n        }\n        #[inline]\n        fn mod_mul(x: Self::Inner, y: Self::Inner) -> Self::Inner {\n            Self::reduce(x as u64 * y as u64)\n        }\n        #[inline]\n        fn mod_div(x: Self::Inner, y: Self::Inner) -> Self::Inner {\n            Self::mod_mul(x, Self::mod_inv(y))\n        }\n        #[inline]\n        fn mod_neg(x: Self::Inner) -> Self::Inner {\n            if x == 0 {\n                0\n            } else {\n                Self::get_mod() - x\n            }\n        }\n        fn mod_inv(x: Self::Inner) -> Self::Inner {\n            let mut a = x;\n            let m = Self::get_mod();\n            let (mut b, mut u, mut s) = (m, 1, 0);\n            let k = a.trailing_zeros();\n            a >>= k;\n            for _ in 0..k {\n                if u & 1 == 1 {\n                    u += m;\n                }\n                u /= 2;\n            }\n            while a != b {\n                if b < a {\n                    std::mem::swap(&mut a, &mut b);\n                    std::mem::swap(&mut u, &mut s);\n                }\n                b -= a;\n                if s < u {\n                    s += m;\n                }\n                s -= u;\n                let k = b.trailing_zeros();\n                b >>= k;\n                for _ in 0..k {\n                    if s & 1 == 1 {\n                        s += m;\n                    }\n                    s /= 2;\n                }\n            }\n            Self::reduce(s as u64 * Self::n3() as u64)\n        }\n    }\n    impl<M> MIntConvert<u32> for M\n    where\n        M: MontgomeryReduction32,\n    {\n        #[inline]\n        fn from(x: u32) -> Self::Inner {\n            Self::reduce(x as u64 * Self::n2() as u64)\n        }\n        #[inline]\n        fn into(x: Self::Inner) -> u32 {\n            Self::reduce(x as u64) as u32\n        }\n        #[inline]\n        fn mod_into() -> u32 {\n            <Self as MIntBase>::get_mod() as u32\n        }\n    }\n    impl<M> MIntConvert<u64> for M\n    where\n        M: MontgomeryReduction32,\n    {\n        #[inline]\n        fn from(x: u64) -> Self::Inner {\n            Self::reduce(x % Self::get_mod() as u64 * Self::n2() as u64)\n        }\n        #[inline]\n        fn into(x: Self::Inner) -> u64 {\n            Self::reduce(x as u64) as u64\n        }\n        #[inline]\n        fn mod_into() -> u64 {\n            <Self as MIntBase>::get_mod() as u64\n        }\n    }\n    impl<M> MIntConvert<usize> for M\n    where\n        M: MontgomeryReduction32,\n    {\n        #[inline]\n        fn from(x: usize) -> Self::Inner {\n            Self::reduce(x as u64 % Self::get_mod() as u64 * Self::n2() as u64)\n        }\n        #[inline]\n        fn into(x: Self::Inner) -> usize {\n            Self::reduce(x as u64) as usize\n        }\n        #[inline]\n        fn mod_into() -> usize {\n            <Self as MIntBase>::get_mod() as usize\n        }\n    }\n    impl MIntConvert<i32> for Modulo998244353 {\n        #[inline]\n        fn from(x: i32) -> Self::Inner {\n            let x = x % <Self as MIntBase>::get_mod() as i32;\n            let x = if x < 0 {\n                (x + <Self as MIntBase>::get_mod() as i32) as u64\n            } else {\n                x as u64\n            };\n            Self::reduce(x as u64 * Self::n2() as u64)\n        }\n        #[inline]\n        fn into(x: Self::Inner) -> i32 {\n            Self::reduce(x as u64) as i32\n        }\n        #[inline]\n        fn mod_into() -> i32 {\n            <Self as MIntBase>::get_mod() as i32\n        }\n    }\n    impl MIntConvert<i64> for Modulo998244353 {\n        #[inline]\n        fn from(x: i64) -> Self::Inner {\n            let x = x % <Self as MIntBase>::get_mod() as i64;\n            let x = if x < 0 {\n                (x + <Self as MIntBase>::get_mod() as i64) as u64\n            } else {\n                x as u64\n            };\n            Self::reduce(x as u64 * Self::n2() as u64)\n        }\n        #[inline]\n        fn into(x: Self::Inner) -> i64 {\n            Self::reduce(x as u64) as i64\n        }\n        #[inline]\n        fn mod_into() -> i64 {\n            <Self as MIntBase>::get_mod() as i64\n        }\n    }\n    impl MIntConvert<isize> for Modulo998244353 {\n        #[inline]\n        fn from(x: isize) -> Self::Inner {\n            let x = x % <Self as MIntBase>::get_mod() as isize;\n            let x = if x < 0 {\n                (x + <Self as MIntBase>::get_mod() as isize) as u64\n            } else {\n                x as u64\n            };\n            Self::reduce(x as u64 * Self::n2() as u64)\n        }\n        #[inline]\n        fn into(x: Self::Inner) -> isize {\n            Self::reduce(x as u64) as isize\n        }\n        #[inline]\n        fn mod_into() -> isize {\n            <Self as MIntBase>::get_mod() as isize\n        }\n    }\n    /// m is prime, n = 2^32\n    pub trait MontgomeryReduction32 {\n        /// m\n        fn get_mod() -> u32;\n        /// (-m)^{-1} mod n\n        fn r() -> u32 {\n            let m = Self::get_mod();\n            let mut r = 0;\n            let mut t = 0;\n            for i in 0..32 {\n                if t % 2 == 0 {\n                    t += m;\n                    r += 1 << i;\n                }\n                t /= 2;\n            }\n            r\n        }\n        /// n^1 mod m\n        fn n1() -> u32;\n        /// n^2 mod m\n        fn n2() -> u32;\n        /// n^3 mod m\n        fn n3() -> u32;\n        /// n^{-1}x = (x + (xr mod n)m) / n\n        fn reduce(x: u64) -> u32 {\n            let m: u32 = Self::get_mod();\n            let r = Self::r();\n            let mut x = ((x + r.wrapping_mul(x as u32) as u64 * m as u64) >> 32) as u32;\n            if x >= m {\n                x -= m;\n            }\n            x\n        }\n    }\n    macro_rules! impl_montgomery_reduction_32 {\n        ($ name : ident , $ m : expr , $ r : expr , $ n1 : expr , $ n2 : expr , $ n3 : expr) => {\n            impl MontgomeryReduction32 for $name {\n                #[inline]\n                fn get_mod() -> u32 {\n                    $m\n                }\n                #[inline]\n                fn r() -> u32 {\n                    $r\n                }\n                #[inline]\n                fn n1() -> u32 {\n                    $n1\n                }\n                #[inline]\n                fn n2() -> u32 {\n                    $n2\n                }\n                #[inline]\n                fn n3() -> u32 {\n                    $n3\n                }\n            }\n        };\n    }\n    impl_montgomery_reduction_32!(\n        Modulo998244353,\n        998_244_353,\n        998_244_351,\n        301_989_884,\n        932_051_910,\n        679_058_953\n    );\n}\n// codesnip-guard: MIntBase\n#[repr(transparent)]\npub struct MInt<M>\nwhere\n    M: MIntBase,\n{\n    x: M::Inner,\n    _marker: std::marker::PhantomData<fn() -> M>,\n}\npub trait MIntBase {\n    type Inner: Sized + Copy + Eq + std::fmt::Debug + std::hash::Hash;\n    fn get_mod() -> Self::Inner;\n    fn mod_zero() -> Self::Inner;\n    fn mod_one() -> Self::Inner;\n    fn mod_add(x: Self::Inner, y: Self::Inner) -> Self::Inner;\n    fn mod_sub(x: Self::Inner, y: Self::Inner) -> Self::Inner;\n    fn mod_mul(x: Self::Inner, y: Self::Inner) -> Self::Inner;\n    fn mod_div(x: Self::Inner, y: Self::Inner) -> Self::Inner;\n    fn mod_neg(x: Self::Inner) -> Self::Inner;\n    fn mod_inv(x: Self::Inner) -> Self::Inner;\n    fn mod_pow(x: Self::Inner, y: usize) -> Self::Inner {\n        let (mut x, mut y, mut z) = (x, y, Self::mod_one());\n        while y > 0 {\n            if y & 1 == 1 {\n                z = Self::mod_mul(z, x);\n            }\n            x = Self::mod_mul(x, x);\n            y >>= 1;\n        }\n        z\n    }\n}\npub trait MIntConvert<T = <Self as MIntBase>::Inner>: MIntBase {\n    fn from(x: T) -> <Self as MIntBase>::Inner;\n    fn into(x: <Self as MIntBase>::Inner) -> T;\n    fn mod_into() -> T;\n}\nmod mint_base {\n    use super::*;\n    use std::{\n        fmt::{self, Debug, Display},\n        hash::{Hash, Hasher},\n        iter::{Product, Sum},\n        marker::PhantomData,\n        ops::{Add, AddAssign, Div, DivAssign, Mul, MulAssign, Neg, Sub, SubAssign},\n        str::FromStr,\n    };\n    impl<M> MInt<M>\n    where\n        M: MIntConvert,\n    {\n        #[inline]\n        pub fn new(x: M::Inner) -> Self {\n            Self::new_unchecked(<M as MIntConvert<M::Inner>>::from(x))\n        }\n        #[inline]\n        pub fn inner(self) -> M::Inner {\n            <M as MIntConvert<M::Inner>>::into(self.x)\n        }\n    }\n    impl<M> MInt<M>\n    where\n        M: MIntBase,\n    {\n        #[inline]\n        pub fn new_unchecked(x: M::Inner) -> Self {\n            Self {\n                x,\n                _marker: PhantomData,\n            }\n        }\n        #[inline]\n        pub fn get_mod() -> M::Inner {\n            M::get_mod()\n        }\n        #[inline]\n        pub fn pow(self, y: usize) -> Self {\n            Self::new_unchecked(M::mod_pow(self.x, y))\n        }\n        #[inline]\n        pub fn inv(self) -> Self {\n            Self::new_unchecked(M::mod_inv(self.x))\n        }\n    }\n    impl<M> Clone for MInt<M>\n    where\n        M: MIntBase,\n    {\n        #[inline]\n        fn clone(&self) -> Self {\n            Self {\n                x: Clone::clone(&self.x),\n                _marker: PhantomData,\n            }\n        }\n    }\n    impl<M> Copy for MInt<M> where M: MIntBase {}\n    impl<M> Debug for MInt<M>\n    where\n        M: MIntBase,\n    {\n        fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {\n            Debug::fmt(&self.x, f)\n        }\n    }\n    impl<M> Default for MInt<M>\n    where\n        M: MIntBase,\n    {\n        #[inline]\n        fn default() -> Self {\n            <Self as Zero>::zero()\n        }\n    }\n    impl<M> PartialEq for MInt<M>\n    where\n        M: MIntBase,\n    {\n        #[inline]\n        fn eq(&self, other: &Self) -> bool {\n            PartialEq::eq(&self.x, &other.x)\n        }\n    }\n    impl<M> Eq for MInt<M> where M: MIntBase {}\n    impl<M> Hash for MInt<M>\n    where\n        M: MIntBase,\n    {\n        #[inline]\n        fn hash<H: Hasher>(&self, state: &mut H) {\n            Hash::hash(&self.x, state)\n        }\n    }\n    macro_rules ! impl_mint_from { ($ ($ t : ty) ,*) => { $ (impl < M > From <$ t > for MInt < M > where M : MIntConvert <$ t >, { # [inline] fn from (x : $ t) -> Self { Self :: new_unchecked (< M as MIntConvert <$ t >>:: from (x)) } } impl < M > From < MInt < M >> for $ t where M : MIntConvert <$ t >, { # [inline] fn from (x : MInt < M >) -> $ t { < M as MIntConvert <$ t >>:: into (x . x) } }) * } ; }\n    impl_mint_from!(u8, u16, u32, u64, u128, usize, i8, i16, i32, i64, i128, isize);\n    impl<M> Zero for MInt<M>\n    where\n        M: MIntBase,\n    {\n        #[inline]\n        fn zero() -> Self {\n            Self::new_unchecked(M::mod_zero())\n        }\n    }\n    impl<M> One for MInt<M>\n    where\n        M: MIntBase,\n    {\n        #[inline]\n        fn one() -> Self {\n            Self::new_unchecked(M::mod_one())\n        }\n    }\n    impl<M> Add for MInt<M>\n    where\n        M: MIntBase,\n    {\n        type Output = Self;\n        #[inline]\n        fn add(self, rhs: Self) -> Self::Output {\n            Self::new_unchecked(M::mod_add(self.x, rhs.x))\n        }\n    }\n    impl<M> Sub for MInt<M>\n    where\n        M: MIntBase,\n    {\n        type Output = Self;\n        #[inline]\n        fn sub(self, rhs: Self) -> Self::Output {\n            Self::new_unchecked(M::mod_sub(self.x, rhs.x))\n        }\n    }\n    impl<M> Mul for MInt<M>\n    where\n        M: MIntBase,\n    {\n        type Output = Self;\n        #[inline]\n        fn mul(self, rhs: Self) -> Self::Output {\n            Self::new_unchecked(M::mod_mul(self.x, rhs.x))\n        }\n    }\n    impl<M> Div for MInt<M>\n    where\n        M: MIntBase,\n    {\n        type Output = Self;\n        #[inline]\n        fn div(self, rhs: Self) -> Self::Output {\n            Self::new_unchecked(M::mod_div(self.x, rhs.x))\n        }\n    }\n    impl<M> Neg for MInt<M>\n    where\n        M: MIntBase,\n    {\n        type Output = Self;\n        #[inline]\n        fn neg(self) -> Self::Output {\n            Self::new_unchecked(M::mod_neg(self.x))\n        }\n    }\n    impl<M> Sum for MInt<M>\n    where\n        M: MIntBase,\n    {\n        #[inline]\n        fn sum<I: Iterator<Item = Self>>(iter: I) -> Self {\n            iter.fold(<Self as Zero>::zero(), Add::add)\n        }\n    }\n    impl<M> Product for MInt<M>\n    where\n        M: MIntBase,\n    {\n        #[inline]\n        fn product<I: Iterator<Item = Self>>(iter: I) -> Self {\n            iter.fold(<Self as One>::one(), Mul::mul)\n        }\n    }\n    impl<'a, M: 'a> Sum<&'a MInt<M>> for MInt<M>\n    where\n        M: MIntBase,\n    {\n        #[inline]\n        fn sum<I: Iterator<Item = &'a Self>>(iter: I) -> Self {\n            iter.fold(<Self as Zero>::zero(), Add::add)\n        }\n    }\n    impl<'a, M: 'a> Product<&'a MInt<M>> for MInt<M>\n    where\n        M: MIntBase,\n    {\n        #[inline]\n        fn product<I: Iterator<Item = &'a Self>>(iter: I) -> Self {\n            iter.fold(<Self as One>::one(), Mul::mul)\n        }\n    }\n    impl<M> Display for MInt<M>\n    where\n        M: MIntConvert,\n        M::Inner: Display,\n    {\n        fn fmt<'a>(&self, f: &mut fmt::Formatter<'a>) -> Result<(), fmt::Error> {\n            write!(f, \"{}\", self.inner())\n        }\n    }\n    impl<M> FromStr for MInt<M>\n    where\n        M: MIntConvert,\n        M::Inner: FromStr,\n    {\n        type Err = <M::Inner as FromStr>::Err;\n        #[inline]\n        fn from_str(s: &str) -> Result<Self, Self::Err> {\n            s.parse::<M::Inner>().map(Self::new)\n        }\n    }\n    impl<M> IterScan for MInt<M>\n    where\n        M: MIntConvert,\n        M::Inner: FromStr,\n    {\n        type Output = Self;\n        #[inline]\n        fn scan<'a, I: Iterator<Item = &'a str>>(iter: &mut I) -> Option<Self::Output> {\n            iter.next()?.parse::<MInt<M>>().ok()\n        }\n    }\n    macro_rules! impl_mint_ref_binop {\n        ($ imp : ident , $ method : ident , $ t : ty) => {\n            impl<M> $imp<$t> for &$t\n            where\n                M: MIntBase,\n            {\n                type Output = <$t as $imp<$t>>::Output;\n                #[inline]\n                fn $method(self, other: $t) -> <$t as $imp<$t>>::Output {\n                    $imp::$method(*self, other)\n                }\n            }\n            impl<M> $imp<&$t> for $t\n            where\n                M: MIntBase,\n            {\n                type Output = <$t as $imp<$t>>::Output;\n                #[inline]\n                fn $method(self, other: &$t) -> <$t as $imp<$t>>::Output {\n                    $imp::$method(self, *other)\n                }\n            }\n            impl<M> $imp<&$t> for &$t\n            where\n                M: MIntBase,\n            {\n                type Output = <$t as $imp<$t>>::Output;\n                #[inline]\n                fn $method(self, other: &$t) -> <$t as $imp<$t>>::Output {\n                    $imp::$method(*self, *other)\n                }\n            }\n        };\n    }\n    impl_mint_ref_binop!(Add, add, MInt<M>);\n    impl_mint_ref_binop!(Sub, sub, MInt<M>);\n    impl_mint_ref_binop!(Mul, mul, MInt<M>);\n    impl_mint_ref_binop!(Div, div, MInt<M>);\n    macro_rules! impl_mint_ref_unop {\n        ($ imp : ident , $ method : ident , $ t : ty) => {\n            impl<M> $imp for &$t\n            where\n                M: MIntBase,\n            {\n                type Output = <$t as $imp>::Output;\n                #[inline]\n                fn $method(self) -> <$t as $imp>::Output {\n                    $imp::$method(*self)\n                }\n            }\n        };\n    }\n    impl_mint_ref_unop!(Neg, neg, MInt<M>);\n    macro_rules! impl_mint_ref_op_assign {\n        ($ imp : ident , $ method : ident , $ t : ty , $ fromimp : ident , $ frommethod : ident) => {\n            impl<M> $imp<$t> for $t\n            where\n                M: MIntBase,\n            {\n                #[inline]\n                fn $method(&mut self, rhs: $t) {\n                    *self = $fromimp::$frommethod(*self, rhs);\n                }\n            }\n            impl<M> $imp<&$t> for $t\n            where\n                M: MIntBase,\n            {\n                #[inline]\n                fn $method(&mut self, other: &$t) {\n                    $imp::$method(self, *other);\n                }\n            }\n        };\n    }\n    impl_mint_ref_op_assign!(AddAssign, add_assign, MInt<M>, Add, add);\n    impl_mint_ref_op_assign!(SubAssign, sub_assign, MInt<M>, Sub, sub);\n    impl_mint_ref_op_assign!(MulAssign, mul_assign, MInt<M>, Mul, mul);\n    impl_mint_ref_op_assign!(DivAssign, div_assign, MInt<M>, Div, div);\n}\n// codesnip-guard: zero_one\npub trait Zero: PartialEq + Sized {\n    fn zero() -> Self;\n    #[inline]\n    fn is_zero(&self) -> bool {\n        self == &Self::zero()\n    }\n}\npub trait One: PartialEq + Sized {\n    fn one() -> Self;\n    #[inline]\n    fn is_one(&self) -> bool {\n        self == &Self::one()\n    }\n}\nmacro_rules ! zero_one_impls { ($ ({ $ Trait : ident $ method : ident $ ($ t : ty) *, $ e : expr }) *) => { $ ($ (impl $ Trait for $ t { # [inline] fn $ method () -> Self { $ e } }) *) * } ; }\nzero_one_impls ! ({ Zero zero u8 u16 u32 u64 usize i8 i16 i32 i64 isize u128 i128 , 0 } { Zero zero f32 f64 , 0. } { One one u8 u16 u32 u64 usize i8 i16 i32 i64 isize u128 i128 , 1 } { One one f32 f64 , 1. });\n// codesnip-guard: Matrix\n#[derive(Clone, Debug, PartialEq, Eq)]\npub struct Matrix<T> {\n    pub shape: (usize, usize),\n    pub data: Vec<Vec<T>>,\n}\nmod matrix_impls {\n    use super::*;\n    use std::ops::{Add, Div, Index, IndexMut, Mul, Sub};\n    impl<T: Clone> Matrix<T> {\n        pub fn new(shape: (usize, usize), z: T) -> Self {\n            Self {\n                shape,\n                data: vec![vec![z; shape.1]; shape.0],\n            }\n        }\n    }\n    impl<T> Matrix<T> {\n        pub fn from_vec(data: Vec<Vec<T>>) -> Self {\n            Self {\n                shape: (data.len(), data.first().map(Vec::len).unwrap_or_default()),\n                data,\n            }\n        }\n    }\n    impl<T: Clone + Zero> Matrix<T> {\n        pub fn zeros(shape: (usize, usize)) -> Self {\n            Self {\n                shape,\n                data: vec![vec![Zero::zero(); shape.1]; shape.0],\n            }\n        }\n    }\n    impl<T: Clone + Zero + One> Matrix<T> {\n        pub fn eye(shape: (usize, usize)) -> Self {\n            let mut data = vec![vec![Zero::zero(); shape.1]; shape.0];\n            for (i, d) in data.iter_mut().enumerate() {\n                d[i] = One::one();\n            }\n            Self { shape, data }\n        }\n    }\n    impl<T> Index<usize> for Matrix<T> {\n        type Output = Vec<T>;\n        fn index(&self, index: usize) -> &Self::Output {\n            &self.data[index]\n        }\n    }\n    impl<T> IndexMut<usize> for Matrix<T> {\n        fn index_mut(&mut self, index: usize) -> &mut Self::Output {\n            &mut self.data[index]\n        }\n    }\n    impl<T> Index<(usize, usize)> for Matrix<T> {\n        type Output = T;\n        fn index(&self, index: (usize, usize)) -> &Self::Output {\n            &self.data[index.0][index.1]\n        }\n    }\n    impl<T> IndexMut<(usize, usize)> for Matrix<T> {\n        fn index_mut(&mut self, index: (usize, usize)) -> &mut Self::Output {\n            &mut self.data[index.0][index.1]\n        }\n    }\n    impl<'a, T: Copy + Zero + Add<Output = T>> Add for &'a Matrix<T> {\n        type Output = Matrix<T>;\n        fn add(self, rhs: Self) -> Self::Output {\n            assert_eq!(self.shape, rhs.shape);\n            let mut res = Matrix::zeros(self.shape);\n            for i in 0..self.shape.0 {\n                for j in 0..self.shape.1 {\n                    res[i][j] = self[i][j] + rhs[i][j];\n                }\n            }\n            res\n        }\n    }\n    impl<'a, T: Copy + Zero + Sub<Output = T>> Sub for &'a Matrix<T> {\n        type Output = Matrix<T>;\n        fn sub(self, rhs: Self) -> Self::Output {\n            assert_eq!(self.shape, rhs.shape);\n            let mut res = Matrix::zeros(self.shape);\n            for i in 0..self.shape.0 {\n                for j in 0..self.shape.1 {\n                    res[i][j] = self[i][j] - rhs[i][j];\n                }\n            }\n            res\n        }\n    }\n    impl<'a, T: Copy + Zero + Add<Output = T> + Mul<Output = T>> Mul for &'a Matrix<T> {\n        type Output = Matrix<T>;\n        fn mul(self, rhs: Self) -> Self::Output {\n            assert_eq!(self.shape.1, rhs.shape.0);\n            let mut res = Matrix::zeros((self.shape.0, rhs.shape.1));\n            for i in 0..self.shape.0 {\n                for j in 0..rhs.shape.1 {\n                    for k in 0..self.shape.1 {\n                        res[i][j] = res[i][j] + self[i][k] * rhs[k][j];\n                    }\n                }\n            }\n            res\n        }\n    }\n    impl<T: Copy + Zero + One + Add<Output = T> + Mul<Output = T>> Matrix<T> {\n        pub fn pow(&self, mut n: usize) -> Self {\n            assert_eq!(self.shape.0, self.shape.1);\n            let mut x = self.clone();\n            let mut res = Matrix::eye(self.shape);\n            while n > 0 {\n                if n & 1 == 1 {\n                    res = &res * &x;\n                }\n                x = &x * &x;\n                n >>= 1;\n            }\n            res\n        }\n    }\n    impl<T: Copy + Zero + One + Sub<Output = T> + Mul<Output = T> + Div<Output = T>> Matrix<T> {\n        pub fn row_reduction(&mut self) {\n            let (n, m) = self.shape;\n            let mut c = 0;\n            for r in 0..n {\n                loop {\n                    if c >= m {\n                        return;\n                    }\n                    if let Some(pivot) = (r..n).find(|&p| !self[p][c].is_zero()) {\n                        self.data.swap(r, pivot);\n                        break;\n                    };\n                    c += 1;\n                }\n                let d = T::one() / self[r][c];\n                for j in c..m {\n                    self[r][j] = self[r][j] * d;\n                }\n                for i in (0..n).filter(|&i| i != r) {\n                    let d = self[i][c];\n                    for j in c..m {\n                        self[i][j] = self[i][j] - d * self[r][j];\n                    }\n                }\n                c += 1;\n            }\n        }\n        pub fn rank(&mut self) -> usize {\n            let n = self.shape.0;\n            self.row_reduction();\n            (0..n)\n                .filter(|&i| !self.data[i].iter().all(|x| x.is_zero()))\n                .count()\n        }\n        pub fn solve_system_of_linear_equations(&self, b: &[T]) -> Option<Vec<T>> {\n            assert_eq!(self.shape.0, self.shape.1);\n            assert_eq!(self.shape.0, b.len());\n            let n = self.shape.0;\n            let mut c = Matrix::<T>::zeros((n, n + 1));\n            for i in 0..n {\n                c[i][..n].clone_from_slice(&self[i]);\n                c[i][n] = b[i];\n            }\n            c.row_reduction();\n            if (0..n).any(|i| c[i][i].is_zero()) {\n                None\n            } else {\n                Some((0..n).map(|i| c[i][n]).collect::<Vec<_>>())\n            }\n        }\n        pub fn inverse(&self) -> Option<Matrix<T>> {\n            assert_eq!(self.shape.0, self.shape.1);\n            let n = self.shape.0;\n            let mut c = Matrix::<T>::zeros((n, n * 2));\n            for i in 0..n {\n                c[i][..n].clone_from_slice(&self[i]);\n                c[i][n + i] = T::one();\n            }\n            c.row_reduction();\n            if (0..n).any(|i| c[i][i].is_zero()) {\n                None\n            } else {\n                Some(Self::from_vec(\n                    c.data.into_iter().map(|r| r[n..].to_vec()).collect(),\n                ))\n            }\n        }\n    }\n}\n", "lang": "Rust", "bug_code_uid": "0a738c51695e754ea24cb14936527e45", "src_uid": "711d15e11016d0164fb2b0c3756e4857", "apr_id": "feab7fd0f1e3345ccf3723f9b5004086", "difficulty": 2700, "tags": ["dp", "matrices", "data structures", "string suffix structures", "brute force", "strings"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "replace", "lang_cluster": "Rust"}
{"similarity_score": 0.7623554153522608, "equal_cnt": 10, "replace_cnt": 8, "delete_cnt": 1, "insert_cnt": 1, "fix_ops_cnt": 10, "bug_source_code": "//spnauti-rusT {{{\n#[allow(unused_imports)]use std::{io::*,collections::*,fmt::Debug,str::{self,*},cmp::*,ops::{self,*},iter::{self,*}};\nmacro_rules!v{\n\t($(:$t:ty)?=$e:expr)=>{$e$(as$t)?};([$d:expr]$(:$t:ty)?)=>{Vec::$(<$t>::)?with_capacity($d)};\n\t([]$(:$t:ty)?)=>{Vec::$(<$t>::)?new()};([$d:expr]$($s:tt)+)=>{vec![v!($($s)+);$d]};}\nfn rio()->(Reader,BufWriter<Stdout>){(Reader::new(),BufWriter::new(stdout()))}\nstruct Reader{buf:Vec<u8>,pos:usize,x:*mut Stdin,q:StdinLock<'static>}//'\n#[allow(dead_code)]impl Reader{\n\tfn new()->Self{let x=Box::into_raw(Box::new(stdin()));let q=unsafe{&*x}.lock();Self{x,q,buf:v!([]),pos:0}}\n\tfn next_line(&mut self)->bool{self.buf.clear();self.pos=0;self.q.read_until(b'\\n',&mut self.buf).unwrap_or(0)>0}\n\tfn byte(&mut self)->Option<u8>{\n\t\tif self.pos==self.buf.len(){if!self.next_line(){return None;}}self.pos+=1;Some(self.buf[self.pos-1])}\n\tfn vb(&mut self)->Vec<u8>{let mut s=v!([10]);let mut f=false;while let Some(c)=self.byte(){\n\t\tif!c.is_ascii_whitespace(){s.push(c);f=true;}else if f{break;}}s}\n\tfn p<T:FromStr>(&mut self)->T where T::Err:Debug{let w=self.vb();str::from_utf8(w.as_ref()).unwrap().parse::<T>().unwrap()}\n\tfn u(&mut self) ->  usize { self.p() }\n\tfn f(&mut self) ->    f64 { self.p() }\n}impl Drop for Reader{fn drop(&mut self){unsafe{Box::from_raw(self.x)};}}\n//----------}}}\n\nfn main() {\n\tlet (mut rin,mut rout) = rio();\n\n\tlet n = rin.u();\n\tlet p = rin.f();\n\tlet nn = n as f64;\n\tfor x in 0..n {\n\t\tlet xx = x as f64;\n\t\tlet res = xx/nn*(xx-1.0)/(nn-2.0) + (nn-1.0-xx)/nn*xx/(nn-2.0) + 1.0/nn*xx/(nn-1.0);\n\t\tif res + 1e-9 > p {\n\t\t\twriteln!(rout, \"{}\", x).unwrap();\n\t\t\treturn;\n\t\t}\n\t}\n}\n", "lang": "Rust", "bug_code_uid": "b6f0d13d186f8055e8eb56ef0546f236", "src_uid": "788ed59a964264bd0e755e155a37e14d", "apr_id": "174d39c78101ddf5e0ebdb458672c5d5", "difficulty": 2000, "tags": ["probabilities", "math", "combinatorics", "ternary search"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "replace", "lang_cluster": "Rust"}
{"similarity_score": 0.9850046860356139, "equal_cnt": 5, "replace_cnt": 2, "delete_cnt": 0, "insert_cnt": 2, "fix_ops_cnt": 4, "bug_source_code": "//spnauti-rusT {{{\n#[allow(unused_imports)]use std::{io::*,collections::*,fmt::Debug,str::{self,*},cmp::*,ops::{self,*},iter::{self,*}};\nmacro_rules!v{\n\t($(:$t:ty)?=$e:expr)=>{$e$(as$t)?};([$d:expr]$(:$t:ty)?)=>{Vec::$(<$t>::)?with_capacity($d)};\n\t([]$(:$t:ty)?)=>{Vec::$(<$t>::)?new()};([$d:expr]$($s:tt)+)=>{vec![v!($($s)+);$d]};}\nfn rio()->(Reader,BufWriter<Stdout>){(Reader::new(),BufWriter::new(stdout()))}\nstruct Reader{buf:Vec<u8>,pos:usize,x:*mut Stdin,q:StdinLock<'static>}//'\n#[allow(dead_code)]impl Reader{\n\tfn new()->Self{let x=Box::into_raw(Box::new(stdin()));let q=unsafe{&*x}.lock();Self{x,q,buf:v!([]),pos:0}}\n\tfn next_line(&mut self)->bool{self.buf.clear();self.pos=0;self.q.read_until(b'\\n',&mut self.buf).unwrap_or(0)>0}\n\tfn byte(&mut self)->Option<u8>{\n\t\tif self.pos==self.buf.len(){if!self.next_line(){return None;}}self.pos+=1;Some(self.buf[self.pos-1])}\n\tfn vb(&mut self)->Vec<u8>{let mut s=v!([10]);let mut f=false;while let Some(c)=self.byte(){\n\t\tif!c.is_ascii_whitespace(){s.push(c);f=true;}else if f{break;}}s}\n\tfn p<T:FromStr>(&mut self)->T where T::Err:Debug{let w=self.vb();str::from_utf8(w.as_ref()).unwrap().parse::<T>().unwrap()}\n\tfn u(&mut self) ->  usize { self.p() }\n\tfn f(&mut self) ->    f64 { self.p() }\n}impl Drop for Reader{fn drop(&mut self){unsafe{Box::from_raw(self.x)};}}\n//----------}}}\n\nfn main() {\n\tlet (mut rin,mut rout) = rio();\n\n\tlet n = rin.u();\n\tlet p = rin.f();\n\tlet mut lo = 0;\n\tlet mut hi = n-2;\n\tlet mut ans = n - 1;\n\twhile lo <= hi {\n\t\tlet x = (lo + hi) / 2;\n\t\tlet mut res = 0.0;\n\t\tlet mut c = 0;\n\t\tfor i in 0..=3 {\n\t\t\tlet j = 3 - i;\n\t\t\tif i > x || j > n-x {\n\t\t\t\tcontinue;\n\t\t\t}\n\t\t\tlet cc = if i == 0 {\n\t\t\t\t(n-x) * (n-x-1) * (n-x-2) / 6\n\t\t\t} else if i == 1 {\n\t\t\t\tx * (n-x) * (n-x-1) / 2\n\t\t\t} else if i == 2 {\n\t\t\t\tx * (x-1) * (n-x) / 2\n\t\t\t} else {\n\t\t\t\tx * (x-1) * (x-2) / 6\n\t\t\t};\n\t\t\tlet pp = if i == 0 {\n\t\t\t\t0.0\n\t\t\t} else if i == 1 {\n\t\t\t\t0.5\n\t\t\t} else {\n\t\t\t\t1.0\n\t\t\t};\n\t\t\tres += pp * (cc as f64);\n\t\t\tc += cc;\n\t\t}\n\t\tres /= c as f64;\n\t\tif res + 1e-9 > p {\n\t\t\tans = x;\n\t\t\thi = x-1;\n\t\t} else {\n\t\t\tlo = x+1;\n\t\t}\n\t}\n\twriteln!(rout, \"{}\", ans).unwrap();\n}\n", "lang": "Rust", "bug_code_uid": "a384ab27806681f728f006307d2fe2ce", "src_uid": "788ed59a964264bd0e755e155a37e14d", "apr_id": "174d39c78101ddf5e0ebdb458672c5d5", "difficulty": 2000, "tags": ["probabilities", "math", "combinatorics", "ternary search"], "bug_exec_outcome": "TIME_LIMIT_EXCEEDED", "potential_dominant_fix_op": "replace", "lang_cluster": "Rust"}
{"similarity_score": 0.9636963696369637, "equal_cnt": 9, "replace_cnt": 2, "delete_cnt": 2, "insert_cnt": 4, "fix_ops_cnt": 8, "bug_source_code": "use std::str::FromStr;\r\nuse std::io;\r\n\r\nfn read_line<T: FromStr>() -> Vec<T>\r\n    where\r\n        T::Err: std::fmt::Debug\r\n{\r\n    let mut input = String::new();\r\n    io::stdin().read_line(&mut input).unwrap();\r\n    input.trim()\r\n        .split(' ')\r\n        .map(|x| x.parse::<T>().unwrap())\r\n        .collect()\r\n}\r\n\r\nfn c(n: i64, k: i64) -> i64 {\r\n    if k > n {\r\n        return 0;\r\n    }\r\n    let mut result = 1;\r\n    if k > n - k {\r\n        for i in k + 1..n + 1 {\r\n            result *= i;\r\n        }\r\n        for i in 1..n - k + 1 {\r\n            result /= i;\r\n        }\r\n    }\r\n    if k <= n - k {\r\n        for i in n - k + 1..n + 1 {\r\n            result *= i;\r\n        }\r\n        for i in 1..k + 1 {\r\n            result /= i;\r\n        }\r\n    }\r\n    return result;\r\n}\r\n\r\nfn main() {\r\n    let input = read_line::<String>();\r\n    let n = input[0].parse::<i64>().unwrap();\r\n    let p = input[1].parse::<f64>().unwrap();\r\n    let p_int = (p * 10000.0).round() as i64;\r\n    for k in 0..n + 1 {\r\n        let numerator = 3 * (c(k, 3) + c(k, 2) * c(n - k, 1)) + c(k, 1) * c(n - k, 2) * 2;\r\n        if numerator * 10000 >= p_int * 3 * c(n, 3) {\r\n            println!(\"{}\", k);\r\n            return\r\n        }\r\n    }\r\n}\r\n", "lang": "Rust", "bug_code_uid": "53ccf4630e5374b70f69043c39765378", "src_uid": "788ed59a964264bd0e755e155a37e14d", "apr_id": "34fbf83a7a3f3e1fa6ad96441f017820", "difficulty": 2000, "tags": ["probabilities", "math", "combinatorics", "ternary search"], "bug_exec_outcome": "WRONG_ANSWER", "potential_dominant_fix_op": "insert", "lang_cluster": "Rust"}