제출 #1190484

#제출 시각아이디문제언어결과실행 시간메모리
1190484jayssIce Hockey World Championship (CEOI15_bobek)C++20
40 / 100
1096 ms328 KiB
#include <bits/stdc++.h>
using namespace std;
#define int long long

int A[41];
int sol(int n, int k) {
    if (k < 0) return 0;
    if (n == 0) return 1;
    return sol(n - 1, k - A[n]) + sol(n - 1, k);
}

signed main() {
    ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    int n, k; cin >> n >> k;
    for (int i = 1;i <= n;i++) cin >> A[i];
    sort(A + 1, A + n + 1);
    int start_idx = 0;
    for (int i = n;i > 0;i--) {
        if (A[i] <= k) {
            start_idx = i;
            break;
        }
    }
    cout << sol(start_idx, k);

    return 0;
}
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