Submission #1257841

#	Time	Username	Problem	Language	Result	Execution time	Memory
1257841		kawhiet	Bank (IZhO14_bank)	C++20	0 / 100	1 ms	328 KiB

bank

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

int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);

    int n, m;
    cin >> n >> m;
    vector<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];
    }
    vector<pair<int, int>> dp(1 << m);
    for (int s = 0; s < m; s++) {
        for (int i = 0; i < m; i++) {
            if (!(s & (1 << i))) {
                auto [id, x] = dp[s];
                int j = s | (1 << i);
                if (id == n) {
                    cout << "YES" << '\n';
                    return 0;
                }
                if (x + b[i] == a[id]) {
                    dp[j] = {id + 1, 0};
                    if (id + 1 == n) {
                        cout << "YES" << '\n';
                        return 0;
                    }
                }
                else if (x + b[i] < a[id]) {
                    dp[j] = {id, b[i] + x};
                }
            }
        }
    }
    cout << "NO" << '\n';

    return 0;
}

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