Submission #1088395

#	Time	Username	Problem	Language	Result	Execution time	Memory
1088395		michified	Bank (IZhO14_bank)	C++17	100 / 100	95 ms	8824 KiB

bank

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

const ll mod = 1e9 + 7;

struct elem_t {
    int met, rem;
};

int main() {
    // ifstream cin("valleys.in");
    // ofstream cout("valleys.out");
    
    int n, m, i, j;
    cin >> n >> m;
    vector<int> sal(n), note(m);
    for (i = 0; i < n; i++) cin >> sal[i];
    for (i = 0; i < m; i++) cin >> note[i];
    if (n > m) {
        cout << "NO";
        return 0;
    }
    int M = 1 << m;
    vector<elem_t> dp(M, {0, 0});
    elem_t newe;
    int res;
    for (i = 1; i < M; i++) {
        for (j = 0; j < m; j++) {
            if (not (i & (1 << j))) continue;
            res = dp[i - (1 << j)].rem + note[j];
            if (res > sal[dp[i - (1 << j)].met]) continue;
            else if (res == sal[dp[i - (1 << j)].met]) {
                newe.met = dp[i - (1 << j)].met + 1;
                newe.rem = 0;
            } else {
                newe.met = dp[i - (1 << j)].met;
                newe.rem = res;
            }
            if (newe.met == n) {
                cout << "YES";
                return 0;
            }
            if (newe.met > dp[i].met) dp[i] = newe;
            else if (newe.met == dp[i].met) dp[i].rem = max(dp[i].rem, newe.rem);
        }
    }
    cout << "NO";
    return 0;
}

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