Submission #1232612

#	Time	Username	Problem	Language	Result	Execution time	Memory
1232612		ethan7sky	Bank (IZhO14_bank)	C++20	100 / 100	103 ms	8632 KiB

bank

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

int main() {
    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<int> dp(1<<m, INT_MIN);
    vector<int> left_over(1<<m, -1);
    dp[0] = -1;
    left_over[0] = 0;
    for(int mask=0; mask<(1<<m); mask++){
        for(int i=0; i<m; i++){
            if(mask&(1<<i)) {
                int wo = mask^(1<<i);
                if(dp[wo]==INT_MIN) continue;
                if(a[dp[wo]+1]==left_over[wo]+b[i]){
                    dp[mask] = dp[wo]+1;
                    left_over[mask] = 0;
                }
                else if(a[dp[wo]+1]>left_over[wo]+b[i]){
                    dp[mask] = dp[wo];
                    left_over[mask] = left_over[wo]+b[i];
                }
            }
        }
        if(dp[mask]==n-1) {
            cout << "YES";
            return 0;
        }
    }
    cout << "NO";
}

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