제출 #1277950

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1277950		bnijaamaa	Bank (IZhO14_bank)	C++20	0 / 100	56 ms	40848 KiB

bank

#include <bits/stdc++.h>

using namespace std;

#define int long long
#define all(x)(x).begin(), (x).end()
#define F first
#define S second
#define nn '\n'
#define pb push_back

signed main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
     freopen("bank.in", "r", stdin);
    freopen("bank.out", "w", stdout);
    int n, m;
    cin >> n >> m;
    vector < int > a(n + 1),b(m + 1);
    for (int i = 0; i < n; ++i) cin >> a[i];
    for (int i = 0; i < m; ++i) cin >> b[i];
    int cnt = a[0];
    vector < bool > dp(cnt + 1, false);
    dp[0] = true;
    for (int i = 1; i <= m; ++i) {
        for (int j = cnt; j >= b[i]; --j) {
            if (dp[j - b[i]]) dp[j] = true;
        }
    }
    if (dp[cnt]) cout << "YES";
    else cout << "NO";
}

컴파일 시 표준 에러 (stderr) 메시지

bank.cpp: In function 'int main()':
bank.cpp:15:13: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   15 |      freopen("bank.in", "r", stdin);
      |      ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
bank.cpp:16:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   16 |     freopen("bank.out", "w", stdout);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~

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