제출 #1185232

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1185232		cpdreamer	Newspapers (CEOI21_newspapers)	C++20	4 / 100	0 ms	332 KiB

newspapers

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
#define P pair
#define F first
#define all(v) v.begin(),v.end()
#define V vector
#define pb push_back
#define S second
void file() {
    freopen("input.txt.txt", "r", stdin);
    freopen("output.txt.txt", "w", stdout);
}

V<int>binary_rep(int n){
    V<int>vp;
    for(int i=0;i<30;i++){
        if(((1<<i)&n)!=0)
            vp.pb(1);
        else
            vp.pb(0);
    }
    return vp;
}
void solve() {
    int n;
    cin>>n;
    int m;
    cin>>m;
    for(int i=0;i<m;i++){
        int a,b;
        cin>>a>>b;
    }
    cout<<"YES"<<endl;
    cout<<1<<endl;
    cout<<1<<endl;
}

int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);
    //file();
    solve();
}

컴파일 시 표준 에러 (stderr) 메시지

newspapers.cpp: In function 'void file()':
newspapers.cpp:11:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   11 |     freopen("input.txt.txt", "r", stdin);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
newspapers.cpp:12:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   12 |     freopen("output.txt.txt", "w", stdout);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

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