제출 #846979

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
846979		vjudge1	은행 (IZhO14_bank)	C++17	0 / 100	30 ms	18008 KiB

bank

#include <bits/stdc++.h>
using namespace std;

void solve() {
    int n, m;
    cin >> n >> m;
    vector<int> a(n), b(m);
    for(int &x : a)
        cin >> x;
    for(int &y : b)
        cin >> y;

    for(int msk = 1 ; msk < (1 << m) ; ++msk) {
        int sum = 0;
        for(int i = 0 ; i < m ; ++i) {
            if((msk >> i) & 1) {
                sum += b[i];
            }
        }
        if(sum == a[0]) {
            cout << "YES\n";
            return;
        }
    }
    cout << "NO\n";
}

int main() {
    ios::sync_with_stdio(0), cin.tie(0), cout.tie(0);
#ifndef ONLINE_JUDGE
#else
#endif
    freopen("bank.in", "r", stdin);
    freopen("bank.out", "w", stdout);

    int tc = 1, cs = 1;
//    cin >> tc;
    while(tc--){
        solve();
    }
    return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

bank.cpp: In function 'int main()':
bank.cpp:36:17: warning: unused variable 'cs' [-Wunused-variable]
   36 |     int tc = 1, cs = 1;
      |                 ^~
bank.cpp:33:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   33 |     freopen("bank.in", "r", stdin);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
bank.cpp:34:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   34 |     freopen("bank.out", "w", stdout);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~

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