Submission #936515

#	Time	Username	Problem	Language	Result	Execution time	Memory
936515		tamir1	Bank (IZhO14_bank)	C++14	0 / 100	1 ms	348 KiB

bank

#include<bits/stdc++.h>
using namespace std;
int n,m,a[30],b[30],i,j,x;
int main(){
	freopen("bank.in","r",stdin);
	freopen("bank.out","w",stdout);
	cin >> n >> m;
	for(i=0;i<n;i++) cin >> a[i];
	for(i=0;i<m;i++) cin >> b[i];
	if(n==1) x=a[0];
	for(i=0;i<(1<<m);i++){
		int sum=0;
		for(j=0;j<m;j++){
			if(i&(1<<j)) sum+=b[j];
		}
		if(sum==x){
			cout << "YES";
			return 0;
		}
	}
	cout << "NO";
}

Compilation message (stderr)

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);
      |  ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~

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