Submission #472644

#	Time	Username	Problem	Language	Result	Execution time	Memory
472644		dqk	Bank (IZhO14_bank)	C++17	100 / 100	127 ms	8528 KiB

bank

#include <bits/stdc++.h>

int main() {
    std::ios_base::sync_with_stdio(false);
    std::cin.tie(nullptr);
    int n, m;
    std::cin >> n >> m;
    std::vector<int> a(n), b(m);
    for (int i = 0; i < n; ++i) {
        std::cin >> a[i];
    }
    for (int i = 0; i < m; ++i) {
        std::cin >> b[i];
    }
    std::vector<std::pair<int, int>> dp(1 << m);
    dp[0] = {0, 0};
    for (int s = 0; s < (1 << m); ++s) {
        dp[s] = {0, 0};
        for (int j = 0; j < m; ++j) {
            if (s & (1 << j)) {
                auto option = dp[s ^ (1 << j)];
                option.second += b[j];
                if (option.second == a[option.first]) {
                    option.first++;
                    option.second = 0;
                }
                dp[s] = std::max(dp[s], option);
            }
        }
        if (dp[s].first == n) {
            std::cout << "YES\n";
            return 0;
        }
    }
    std::cout << "NO\n";
    return 0;
}

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