제출 #1328898

#제출 시각아이디문제언어결과실행 시간메모리
1328898ahmetlbktd4Bank (IZhO14_bank)C++20
0 / 100
46 ms23996 KiB
#include "bits/stdc++.h"
#define ll long long 
using namespace std;

int main(){
    ios::sync_with_stdio(0);
    cin.tie(0);
    freopen("file.in","r",stdin);
    int n,m;
    cin >> n >> m;
    int a[n];
    for (int i = 0;i < n;i++){
        cin >> a[i];
    }
    int b[m];
    for (int i = 0;i < m;i++){
        cin >> b[i]; 
    } 
    int l = 0;
    // for (int i = 0;i < n;i++){
    for (int mask = 0;mask < (1<<m);mask++){
        ll s = 0;
        for (int j = 0;j < m;j++){
            if (mask >> j & 1)
            s+=b[j];
        }
        if (s == a[0]){
            cout << "YES\n";return 0;
        }
    } 
    // }
    cout << "NO\n";
}

컴파일 시 표준 에러 (stderr) 메시지

bank.cpp: In function 'int main()':
bank.cpp:8:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
    8 |     freopen("file.in","r",stdin);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~
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