제출 #1236999

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1236999		i_love_mriti	Monthly railway pass (LMIO18_menesinis_bilietas)	C++20	10 / 100	242 ms	27388 KiB

menesinis_bilietas

#include <bits/stdc++.h>
using namespace std;

const int mxN = 5e5 + 100;

vector<int> adj[mxN];
bool vis[mxN];
int ans = 0;

void dfs(int u){
	if(vis[u]) return;
	vis[u] = 1, ++ans;
	for(auto it : adj[u]) dfs(it);
}

int main(){
	int n, m, u, v;
	cin >> n >> m;
	char ch;
	for(int i = 0; i < m; ++i){
		cin >> u >> v >> ch;
		adj[u].push_back(v);
		adj[v].push_back(u);
	}
	dfs(1);
	cout << (ans == n ? n : 0) << "\n";
	return 0;
}

• Subtask 1: 10 / 10
• Subtask 2: 0 / 6
• Subtask 3: 0 / 30
• Subtask 4: 0 / 35
• Subtask 5: 0 / 19