제출 #1097483

#제출 시각아이디문제언어결과실행 시간메모리
1097483alexander707070Newspapers (CEOI21_newspapers)C++14
0 / 100
0 ms348 KiB
#include<bits/stdc++.h>
#define MAXN 200007
using namespace std;
 
int n,m,a,b;

int main(){

    cin>>n>>m;
    for(int i=1;i<=m;i++){
        cin>>a>>b;
    }

    if(m>n-1){
        cout<<"NO\n";
    }else{
        cout<<"YES\n";
        cout<<0<<"\n";
    }
 
    return 0;
}
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