제출 #319918

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
319918		gustason	San (COCI17_san)	C++14	48 / 120	1084 ms	364 KiB

san

#include <bits/stdc++.h>
using namespace std;
using ll = long long;
int n;
ll need, ans = 0;
int h[41], c[41];
void go(ll earned, int curr) {
    //cout << earned << " " << curr << "\n";
    if (earned >= need) {
        ans++;
    }
    for(int i = curr+1; i < n; i++) {
        if (h[curr] > h[i]) continue;
        go(earned + c[i], i);
    }
}
int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    cin >> n >> need;
    for(int i = 0; i < n; i++) {
        cin >> h[i] >> c[i];
    }

    for(int i = 0; i < n; i++) {
        go(c[i], i);
    }
    cout << ans << "\n";
    return 0;
}
//~ check for overflows

• Subtask 1: 24 / 24
• Subtask 2: 24 / 24
• Subtask 3: 0 / 24
• Subtask 4: 0 / 24
• Subtask 5: 0 / 24