Submission #569509

#	Time	Username	Problem	Language	Result	Execution time	Memory
569509		penguin133	Bank (IZhO14_bank)	C++14	100 / 100	163 ms	16704 KiB

bank

#include <bits/stdc++.h>
using namespace std;

#define int long long
pair<int, int> dp[2000005];
int A[25], B[25];
main(){
	int n,m;cin >> n >> m;
	for(int i=0;i<n;i++)cin >> A[i];
	for(int i=0;i<m;i++)cin >> B[i];
	for(int i=0;i<(1<<m);i++){
		dp[i] = make_pair(0, 0);
		for(int j=0;j<m;j++){
			if(!(i >> j & 1))continue;
			int k = i^(1 << j);
			pair<int, int> ans = dp[k];
			ans.second += B[j];
			if(A[ans.first] == ans.second){
				ans.first++;
				ans.second = 0;
			}
			dp[i] = max(dp[i], ans);
		}
	}
	for(int i=0;i<(1<<m);i++){
		if(dp[i].first == n){
			cout << "YES";
			return 0;
		}
	}
	cout << "NO";
}

Compilation message (stderr)

bank.cpp:7:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
    7 | main(){
      | ^~~~

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