제출 #1344887

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1344887		x_a	은행 (IZhO14_bank)	C++20	0 / 100	24 ms	836 KiB

bank

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

using ll = long long;

int main(){
    freopen("bank.in", "r", stdin);
    freopen("bank.out", "w", stdout);
    
    ll n, m, k; cin >> n >> m;
    cin >> k;
    vector<ll> a(m + 1), dp(1001LL);
    dp[0] = 1;
    for(ll i = 1; i <= m; i ++) {
        cin >> a[i];
        for(ll j = 1000; j >= a[i]; j --){
            if(dp[j - a[i]]) dp[j] = 1;
        }
    }
    if(dp[k]) cout << "YES" << endl;
    else cout << "NO" << endl;
}

컴파일 시 표준 에러 (stderr) 메시지

bank.cpp: In function 'int main()':
bank.cpp:7:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
    7 |     freopen("bank.in", "r", stdin);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
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("bank.out", "w", stdout);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~

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