#include <bits/stdc++.h>
using namespace std;
int main() {
ios_base::sync_with_stdio(false);
cin.tie(0); cout.tie(0);
int n;
cin >> n;
vector <int> v;
v.resize(n);
for (int i = 0; i < n; i++) {
cin >> v[i];
}
sort(v.begin(), v.end());
reverse(v.begin(), v.end());
int t = 0;
while (v[t] >= (t + 1)) t++;
cout << t << '\n';
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
5 ms |
384 KB |
Output is correct |
2 |
Correct |
4 ms |
384 KB |
Output is correct |
3 |
Correct |
4 ms |
384 KB |
Output is correct |
4 |
Correct |
5 ms |
384 KB |
Output is correct |
5 |
Correct |
5 ms |
384 KB |
Output is correct |
6 |
Correct |
4 ms |
384 KB |
Output is correct |
7 |
Correct |
6 ms |
384 KB |
Output is correct |
8 |
Correct |
24 ms |
768 KB |
Output is correct |
9 |
Correct |
110 ms |
2304 KB |
Output is correct |
10 |
Correct |
54 ms |
1536 KB |
Output is correct |