제출 #1098359

#제출 시각아이디문제언어결과실행 시간메모리
1098359vjudge1은행 (IZhO14_bank)C++17
0 / 100
38 ms348 KiB
#include<bits/stdc++.h> using namespace std ; int a[1000], b[1000]; int main(){ freopen("bank.in", "r", stdin); freopen("bank.out", "w", stdout); int n,m; cin >> n >> m; for(int i=1; i<=n ; i++){ cin >> a[i]; } for(int i=1; i<=m; i++){ cin >> b[i]; } int cnt=0; for(int i=1 ;i<=n; i++){ do{ int sum = 0; bool k=0; for(int h=1;h<=m;h++){ sum+=b[h]; if(sum == a[i]){ cnt++; k=1; for(int f=1; f<=h; f++){ b[f] = 0; } break; } } if(k)break; }while(next_permutation(b+1, b+m+1)); } if(cnt == n) cout << "YES"; else { cout << "NO"; } }

컴파일 시 표준 에러 (stderr) 메시지

bank.cpp: In function 'int main()':
bank.cpp:5:9: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
    5 |  freopen("bank.in", "r", stdin);
      |  ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
bank.cpp:6:9: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
    6 |  freopen("bank.out", "w", stdout);
      |  ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
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