Submission #978289

#	Time	Username	Problem	Language	Result	Execution time	Memory
978289		KasymK	Bank (IZhO14_bank)	C++17	100 / 100	101 ms	8792 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 : a)
        cin >> i;
    for(int &i : b)
        cin >> i;
    vector<int> dp(1 << m, -1), dp2(1 << m, -1);
    dp[0] = 0, dp2[0] = 0;
    for(int mk = 0; mk < (1 << m); ++mk){
        for(int i = 0; i < m; ++i)
            if(mk >> i & 1){
                int ad = mk & ~(1 << i);
                if(~dp2[ad]){
                    int new_ad = dp[ad] + b[i];
                    int new_ad2 = a[dp2[ad]];
                    if(new_ad < new_ad2)
                        dp2[mk] = dp2[ad], dp[mk] = new_ad;
                    else if(new_ad == new_ad2)
                        dp2[mk] = dp2[ad] + 1, dp[mk] = 0;
                }
            }
        if(dp2[mk] == n){
            cout << "YES" << "\n";
            return 0;
        }
    }
    cout << "NO" << "\n";
    return 0;
}

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