#include #include #include #include #include #include #include #include using namespace std; string name; int parent[5005]; char line[10000]; queue childs; vector names; map match; vector > graph; int scenario = 1, P, N, edge, v, w, step, pointer, len; void bfs(int start) { for (int i = 0; i < 5005; i++) { parent[i] = 6000; } parent[start] = 0; childs.push(start); while (!childs.empty()) { int head = childs.front(); childs.pop(); for (unsigned int i = 0; i < graph[head].size(); i++) { if (parent[graph[head][i]] == 6000) { parent[graph[head][i]] = parent[head] + 1; childs.push(graph[head][i]); } } } } void makeNames() { len = strlen(line); pointer = 0; while (pointer < len) { name = ""; while (pointer < len && line[pointer] == ' ') { pointer++; } if (pointer >= len) { break; } while (line[pointer] != ',') { name += line[pointer++]; } name += line[pointer++]; while (line[pointer] != ',' && line[pointer] != ':') { name += line[pointer++]; } names.push_back(name); if (pointer >= len || line[pointer] == ':') { break; } pointer++; } } void makeGraph() { for (unsigned int i = 0; i < names.size() - 1; i++) { for (unsigned int j = i + 1; j < names.size(); j++) { if (match[names[i]] == 0) { match[names[i]] = edge; v = edge; edge++; } else { v = match[names[i]]; } if (match[names[j]] == 0) { match[names[j]] = edge; w = edge; edge++; } else { w = match[names[j]]; } graph[v].push_back(w); graph[w].push_back(v); } } } int main() { cin >> step; while (step--) { graph.resize(5005); cin >> P >> N; edge = 1; cin.get(); while (P--) { cin.getline(line,100000); makeNames(); makeGraph(); names.clear(); } bfs(match["Erdos, P."]); cout << "Scenario " << scenario << endl; while (N--) { cin.getline(line,100000); if (parent[match[line]] != 6000) { cout << line << " " << parent[match[line]] << endl; } else { cout << line << " infinity" << endl; } } scenario++; match.clear(); graph.clear(); } }