제출 #835147

#제출 시각아이디문제언어결과실행 시간메모리
835147_martynas게임 (IOI14_game)C++11
42 / 100
1072 ms1212 KiB
#include "game.h" #include <bits/stdc++.h> using namespace std; const int mxn = 1505; int n; bool adj[mxn][mxn]; void initialize(int N) { n = N; for(int i = 0; i < n; i++) for(int j = 0; j < n; j++) adj[i][j] = i != j; } bool visited[mxn]; // check if it can be connected void dfs_could(int u) { visited[u] = true; for(int v = 0; v < n; v++) if(!visited[v] && adj[u][v]) { dfs_could(v); } } int hasEdge(int u, int v) { bool add = false; adj[u][v] = adj[v][u] = false; fill(visited, visited+n, false); dfs_could(0); if(count(visited, visited+n, true) != n) { adj[u][v] = adj[v][u] = true; add = true; } return add; }
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