제출 #865810

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
865810		Rifal	Newspapers (CEOI21_newspapers)	C++14	4 / 100	1 ms	856 KiB

newspapers

#include <bits/stdc++.h>
#include <fstream>
//#define endl '\n'
#define mod 1000000007
#define INF 9000000000000000
using namespace std;
const int Max = 1e4;
vector<int> v[Max];
int main()
{
    ios_base::sync_with_stdio(0);cout.tie(0);cin.tie(0);
    int n, m; cin >> n >> m;
    for(int i = 0; i < m; i++) {
        int a, b; cin >> a >> b;
        v[a].push_back(b);
        v[b].push_back(a);
    }
    if(m > n-1) {
        cout << "NO" << endl;
    }
    else {
    cout << "YES" << endl << '1' << endl << '1' << ' ';
    }
    return 0;
}

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• Subtask 2: 4 / 8
• Subtask 3: 0 / 80