Submission #1277845

#	Time	Username	Problem	Language	Result	Execution time	Memory
1277845		alahunovahmad	Bank (IZhO14_bank)	C++20	71 / 100	1095 ms	9848 KiB

bank

#include<bits/stdc++.h>
#define int  long long
using namespace std;
signed main(){
	ios::sync_with_stdio(false);
	cin.tie(nullptr);
	int n, m;
	cin >> n >> m;
	int a[n], b[m];
	for (int i = 0; i < n; i++) cin >> a[i];
	for (int i = 0; i < m; i++) cin >> b[i];
	
	int sum[1<<m] = {0};
	for (int p = 0; p < (1<<m); p++) {
		for (int i = 0; i < m; i++) {
			if ((p>>i)&1) sum[p] += b[i];
		}
	}
	
	vector<int> yes, yes2;
	yes.push_back(0);
	for (int i = 0; i < n; i++) {
		for (int p : yes) {
			for (int q = 0; q < (1 << m); q++) {
				if (!(p & q)) {
					if (sum[q] == a[i]) {
						yes2.push_back(p | q);
					}
				}
			}
		}
		yes = yes2;
		if (yes.empty()) break;
		yes2.clear();
	}
	if (yes.empty()) cout << "NO\n";
	else cout << "YES\n";
	return 0;
}

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