oj.uz

답안 #783775

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
783775 2023-07-15T10:10:52 Z nghiaaa 은행 (IZhO14_bank) C++17
0 / 100
 2 ms 340 KB 
#include <bits/stdc++.h>

using namespace std;
#define int long long
multiset<int> haha;
int n,m;
signed main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    freopen("bank.in","r",stdin);
    freopen("bank.out","w",stdout);
    cin>>n>>m;
    int check=0;
    for (int i=0;i<n;i++)
    {
        int ai;
        cin>>ai;
        haha.insert(ai);
    }
    int a[m+1];
    for (int i=0;i<m;i++)
        cin>>a[i];
    int BIT[22];
    BIT[0]=1;
    for (int i=1;i<22;i++)
        BIT[i]=BIT[i-1]<<1;
    for (int mask=1;mask<BIT[m];mask++)
    {
        if (mask&check) continue;
        int sum=0;
        for (int i=0;i<m;i++)
            if (mask&BIT[i]) sum+=a[i];
        if (haha.find(sum)!=haha.end())
        {
            haha.erase(sum);
            //check|=mask;
        }
    }
    if (haha.size()) cout<<"NO";
    else cout<<"YES";
    return 0;
}

Compilation message

bank.cpp: In function 'int main()':
bank.cpp:11:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   11 |     freopen("bank.in","r",stdin);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~
bank.cpp:12:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   12 |     freopen("bank.out","w",stdout);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
0 / 19.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 2 ms 340 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 2 ms 340 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 27.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 2 ms 340 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 29.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 2 ms 340 KB Output isn't correct
2 Halted 0 ms 0 KB -