Submission #944324

#	Time	Username	Problem	Language	Result	Execution time	Memory
944324		4QT0R	Bank (IZhO14_bank)	C++17	100 / 100	94 ms	8656 KiB

bank

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

int sal[22];
int sal_pref[22];
int val[22];
pair<int,int> maski[1<<20];

int main(){
	ios_base::sync_with_stdio(0);
	cin.tie(0);

	int n,m;
	cin >> n >> m;
	for (int i = 1; i<=n; i++){
		cin >> sal[i];
		sal_pref[i]=sal_pref[i-1]+sal[i];
	}
	for (int i = 0; i<m; i++)cin >> val[i];
	const int zak=1<<m;
	for (int i = 1; i<zak; i++){
		for (int j = 0; j<m; j++){
			if (i&(1<<j)){
				int bez=i^(1<<j);
				maski[i].second=maski[bez].second+val[j];
				maski[i].first=max(maski[i].first,maski[bez].first);
				if (maski[i].second-sal_pref[maski[bez].first]==sal[maski[bez].first+1]){
					maski[i].first=max(maski[i].first,maski[bez].first+1);
				}
				if (maski[i].first==n){
					cout << "YES\n";
					return 0;
				}
			}
		}
	}
	cout << "NO\n";
}

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