Submission #1040868

#	Time	Username	Problem	Language	Result	Execution time	Memory
1040868		attky	Bank (IZhO14_bank)	C++17	100 / 100	77 ms	8676 KiB

bank

#include <bits/stdc++.h>

using namespace std;

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);
    int n, m;
    cin >> n >> m;
    int salary[n], billet[m];
    for(int loop = 0; loop < n; ++loop) {
        cin >> salary[loop];
    }
    for(int loop = 0; loop < m; ++loop) {
        cin >> billet[loop];
    }
    vector<int> paid((1 << m), -1);
    vector<int> leftover((1 << m), -1);
    paid[0] = 0;
    leftover[0] = 0;
    for(int loop = 0; loop < (1 << m); ++loop) {
        for(int looping = 0; looping < m; ++looping) {
            if((loop & (1 << looping)) == 0) {
                continue;
            }
            int avant = (loop & ~(1 << looping));
            if(paid[avant] == -1) {
                continue;
            }
            int pers = salary[paid[avant]];
            if(leftover[avant] + billet[looping] < pers) {
                leftover[loop] = leftover[avant] + billet[looping];
                paid[loop] = paid[avant];
            }
            else if(leftover[avant] + billet[looping] == pers) {
                leftover[loop] = 0;
                paid[loop] = paid[avant] + 1;
            }
        }
        if(paid[loop] == n) {
            cout << "YES\n";
            return 0;
        }
    }
    cout << "NO\n";
}

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