Submission #1113696

#	Time	Username	Problem	Language	Result	Execution time	Memory
1113696		Chinguun	Bank (IZhO14_bank)	C++14	25 / 100	1073 ms	456 KiB

bank

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

#define int long long
#define ff first
#define ss second
#define pb push_back

const int N = 27;
const int oo = 1e18;
const int mod = 1e9 + 7;

typedef pair<int, int> pii;
typedef vector<int> vi;
typedef vector<pii> vii;

int a[N], b[N], n, m;
bool f, vis[N];

void sol (int k) {
	if (k > n) {
		f = 1; return;
	}
	for (int i = 1; i <= m; i++) {
		if (!vis[i]) {
			if (b[i] <= a[k]) {
				a[k] -= b[i];
				vis[i] = 1;
				if (a[k] == 0) sol (k + 1);
				else sol (k);
				a[k] += b[i];
				vis[i] = 0;
			}
		}
	}
	return;
}

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

	cin >> n >> m;
	for (int i = 1; i <= n; i++) cin >> a[i];
	for (int i = 1; i <= m; i++) cin >> b[i];

	sort (a + 1, a + n + 1);
	sort (b + 1, b + m + 1);

	sol (1);
	if (f) cout << "YES\n";
	else cout << "NO\n";
	return 0;
}

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