Submission #1328898

#	Time	Username	Problem	Language	Result	Execution time	Memory
1328898		ahmetlbktd4	Bank (IZhO14_bank)	C++20	0 / 100	46 ms	23996 KiB

bank

#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";
}

Compilation message (stderr)

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);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 0 / 19
• Subtask 2: 0 / 25
• Subtask 3: 0 / 27
• Subtask 4: 0 / 29