#include <iostream>
using namespace std;
const int MAXN = 1e6 + 7;
int a[MAXN];
int main() {
int n;
cin >> n;
for(int i = 1; i <= n; i++){
cin >> a[i];
}
int cur, ans = 0;
for(int i = 1; i <= n; i++)
{
cur = a[i];
if(a[i] == -1)
continue;
ans++;
for(int j = i+1; j <= n ; j++)
{
if(a[j] == -1)
continue;
if(cur-1 == a[j])
{
a[j] = -1;
cur--;
}
}
a[i] = -1;
}
cout << ans << endl;
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
4 ms |
212 KB |
Output is correct |
3 |
Correct |
13 ms |
340 KB |
Output is correct |
4 |
Correct |
23 ms |
336 KB |
Output is correct |
5 |
Execution timed out |
2095 ms |
6924 KB |
Time limit exceeded |
6 |
Execution timed out |
2066 ms |
7260 KB |
Time limit exceeded |
7 |
Execution timed out |
2086 ms |
5888 KB |
Time limit exceeded |
8 |
Execution timed out |
2072 ms |
5844 KB |
Time limit exceeded |
9 |
Execution timed out |
2085 ms |
6464 KB |
Time limit exceeded |
10 |
Execution timed out |
2079 ms |
6560 KB |
Time limit exceeded |