| 提出番号 | 2377 |
|---|---|
| 提出者 | kya |
| 言語 | C++ |
| 提出日時 | 2020-04-27 22:42:23 |
| 問題名 | (68)単位 |
| 結果 | AC |
| 点数 | 100% |
| テストケース | 結果 | 得点 | 実行時間 | メモリ使用量 |
|---|---|---|---|---|
| 1 | AC | 100% | 2ms | 7600KB |
| 2 | AC | 100% | 2ms | 7856KB |
| 3 | AC | 100% | 2ms | 7888KB |
| 4 | AC | 100% | 2ms | 7712KB |
| 5 | AC | 100% | 2ms | 8096KB |
| 6 | AC | 100% | 2ms | 7920KB |
| 7 | AC | 100% | 2ms | 7872KB |
| 8 | AC | 100% | 2ms | 8560KB |
| 9 | AC | 100% | 2ms | 8176KB |
| 10 | AC | 100% | 2ms | 7872KB |
| 11 | AC | 100% | 2ms | 8544KB |
| 12 | AC | 100% | 2ms | 7520KB |
| 13 | AC | 100% | 2ms | 8112KB |
| 14 | AC | 100% | 2ms | 8112KB |
| 15 | AC | 100% | 2ms | 7600KB |
| 16 | AC | 100% | 2ms | 8512KB |
| 17 | AC | 100% | 2ms | 7888KB |
| 18 | AC | 100% | 2ms | 8560KB |
| 19 | AC | 100% | 2ms | 8560KB |
| 20 | AC | 100% | 2ms | 7600KB |
| 21 | AC | 100% | 2ms | 7808KB |
| 22 | AC | 100% | 2ms | 7872KB |
| 23 | AC | 100% | 2ms | 8080KB |
| 24 | AC | 100% | 2ms | 8560KB |
| 25 | AC | 100% | 2ms | 8496KB |
| 26 | AC | 100% | 2ms | 7920KB |
| 27 | AC | 100% | 2ms | 7920KB |
| 28 | AC | 100% | 2ms | 8416KB |
| 29 | AC | 100% | 2ms | 8112KB |
| 30 | AC | 100% | 2ms | 8464KB |
| 31 | AC | 100% | 2ms | 8448KB |
| 32 | AC | 100% | 2ms | 8560KB |
| 33 | AC | 100% | 2ms | 8400KB |
| 34 | AC | 100% | 2ms | 7872KB |
| 35 | AC | 100% | 2ms | 8544KB |
| 36 | AC | 100% | 2ms | 8112KB |
| 37 | AC | 100% | 2ms | 7600KB |
| 38 | AC | 100% | 2ms | 7616KB |
| 39 | AC | 100% | 2ms | 8544KB |
| 40 | AC | 100% | 2ms | 8544KB |
| 41 | AC | 100% | 2ms | 8096KB |
| 42 | AC | 100% | 2ms | 7616KB |
| 43 | AC | 100% | 2ms | 7920KB |
| 44 | AC | 100% | 2ms | 8096KB |
| 45 | AC | 100% | 2ms | 7616KB |
| 46 | AC | 100% | 2ms | 7616KB |
| 47 | AC | 100% | 2ms | 8544KB |
| 48 | AC | 100% | 2ms | 8560KB |
| 49 | AC | 100% | 2ms | 8096KB |
| 50 | AC | 100% | 2ms | 7888KB |
| 51 | AC | 100% | 2ms | 7872KB |
| 52 | AC | 100% | 2ms | 7888KB |
| 53 | AC | 100% | 2ms | 8112KB |
| 54 | AC | 100% | 2ms | 8560KB |
| 55 | AC | 100% | 2ms | 8544KB |
| 56 | AC | 100% | 2ms | 7904KB |
| 57 | AC | 100% | 2ms | 7872KB |
| 58 | AC | 100% | 2ms | 7616KB |
| 59 | AC | 100% | 2ms | 8080KB |
| 60 | AC | 100% | 2ms | 7904KB |
#include <bits/stdc++.h>
using namespace std;
int main() {
int n, m;
cin >> n >> m;
vector<int> a(n);
for (int &e : a) cin >> e;
sort(a.begin(), a.end(), greater<int>());
int val = 0, ans = n;
for (int i = 0; i < n; i++) {
if (m <= val) ans = min(ans, i);
val += a[i];
}
cout << ans << '\n';
return 0;
}