Submission #1369702

#	Time	Username	Problem	Language	Result	Execution time	Memory
1369702		norrawichzzz	Bank (IZhO14_bank)	C++20	71 / 100	1096 ms	432 KiB

bank

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

int a[30], b[30];
int n,m;

bool fnd(int idx, int vst) {
    if (idx == n) return true;

    bool ok=0;
    for (int i=0; i<(1<<m); i++) {
        if (i&vst) continue;

        int sm=0;
        for (int j=0; j<m; j++) {
            if (i & (1<<j)) {
                sm+=b[j];
            }
        }

        if (sm == a[idx]) {
            ok = ok || fnd(idx+1, (vst|i));
        }
    }
    return ok;
}
int main() {
    cin.tie(0)->sync_with_stdio(0);
    cin>> n>> m;

    for (int i=0; i<n; i++) cin>> a[i];
    for (int i=0; i<m; i++) cin>> b[i];
    
    if (fnd(0, 0)) cout<< "YES";
    else cout<< "NO";
}

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