제출 #534960

#제출 시각아이디문제언어결과실행 시간메모리
534960KarukNewspapers (CEOI21_newspapers)C++14
4 / 100
2 ms204 KiB
#include<bits/stdc++.h>
using namespace std;
int main()
{
    int n,m;
    cin>>n>>m;
    for(int i=0;i<m;i++)
    {
        int x,y;
        cin>>x>>y;
    }
    if(n==m)
    {
        if(n%2==0)cout<<"NO";
        else cout<<"YES \n 1 1";
    }
    else if(m==n-1)cout<<"YES \n 1 1";
    else cout<<"NO";
    return 0;
}
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