제출 #833627

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
833627		BilAktauAlmansur	은행 (IZhO14_bank)	C++17	0 / 100	2 ms	340 KiB

bank

#include <bits/stdc++.h>
// #pragma optimize ("g",on)
// #pragma GCC optimize ("inline")
// #pragma GCC optimize ("Ofast")
// #pragma GCC optimize ("unroll-loops")
// #pragma GCC optimize ("03")
// #pragma GCC target ("sse,sse2,sse3,ssse3,sse4,popcnt,abm,avx2,mmx,fma,avx,tune=native")
// #pragma comment(linker, "/stack:200000000")
#define file(s) freopen(s".in", "r", stdin); freopen(s".out", "w", stdout)
// #define int long long
using namespace std;
int n, m;
int a[27], b[27];
signed main() {
    file("bank");
    ios_base::sync_with_stdio(NULL);
    cin.tie(NULL);
    cin>>n>>m;
    for(int i = 1; i <= n; i++)cin>>a[i];
    for(int i = 1; i <= m; i++)cin>>b[i];
    sort(b + 1, b + 1 + m);
    bool ok = 0;
    do {
        int cnt = 0;
        int i = 1;
        bool f = 1;
        for(int j = 1; j <= m; j++) {
            if(cnt + b[j] == a[i]) {
                i++;
                if(i == n + 1)break;
                cnt = 0;
            }else if(cnt + b[j] > a[i]) {
                f = 0;
                break;
            }else cnt += b[j];
        }
        if(f)ok = 1;
    }while(next_permutation(b + 1, b + 1 + m));
    cout << (ok ? "YES\n" : "NO\n");
}

컴파일 시 표준 에러 (stderr) 메시지

bank.cpp: In function 'int main()':
bank.cpp:9:24: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
    9 | #define file(s) freopen(s".in", "r", stdin); freopen(s".out", "w", stdout)
      |                 ~~~~~~~^~~~~~~~~~~~~~~~~~~~
bank.cpp:15:5: note: in expansion of macro 'file'
   15 |     file("bank");
      |     ^~~~
bank.cpp:9:53: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
    9 | #define file(s) freopen(s".in", "r", stdin); freopen(s".out", "w", stdout)
      |                                              ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
bank.cpp:15:5: note: in expansion of macro 'file'
   15 |     file("bank");
      |     ^~~~

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