#include<bits/stdc++.h>
using namespace std;
int n, a[1000005], ans, fen[1000005], b;
void upd(int x){
while (x <= 1e6){
fen[x]++;
x += x & -x;
}
}
int get(int x){
int s = 0;
while (x){
s += fen[x];
x -= x & -x;
}
return s;
}
int main(){
cin >> n;
for(int i = 0;i < n;i++) cin >> a[i];
for (int i = 0;i < n;i++){
b = i;
ans++;
while (i + 1 < n && a[i] <= a[i + 1] && !(get(a[i + 1] - 1) - get(a[b])))
i++;
for (int j = b;j <= i;j++) upd(a[j]);
}
cout << ans;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
500 KB |
Output is correct |
3 |
Correct |
2 ms |
500 KB |
Output is correct |
4 |
Correct |
2 ms |
500 KB |
Output is correct |
5 |
Correct |
2 ms |
500 KB |
Output is correct |
6 |
Correct |
2 ms |
516 KB |
Output is correct |
7 |
Correct |
2 ms |
520 KB |
Output is correct |
8 |
Incorrect |
2 ms |
524 KB |
Output isn't correct |
9 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
500 KB |
Output is correct |
3 |
Correct |
2 ms |
500 KB |
Output is correct |
4 |
Correct |
2 ms |
500 KB |
Output is correct |
5 |
Correct |
2 ms |
500 KB |
Output is correct |
6 |
Correct |
2 ms |
516 KB |
Output is correct |
7 |
Correct |
2 ms |
520 KB |
Output is correct |
8 |
Incorrect |
2 ms |
524 KB |
Output isn't correct |
9 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
500 KB |
Output is correct |
3 |
Correct |
2 ms |
500 KB |
Output is correct |
4 |
Correct |
2 ms |
500 KB |
Output is correct |
5 |
Correct |
2 ms |
500 KB |
Output is correct |
6 |
Correct |
2 ms |
516 KB |
Output is correct |
7 |
Correct |
2 ms |
520 KB |
Output is correct |
8 |
Incorrect |
2 ms |
524 KB |
Output isn't correct |
9 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
500 KB |
Output is correct |
3 |
Correct |
2 ms |
500 KB |
Output is correct |
4 |
Correct |
2 ms |
500 KB |
Output is correct |
5 |
Correct |
2 ms |
500 KB |
Output is correct |
6 |
Correct |
2 ms |
516 KB |
Output is correct |
7 |
Correct |
2 ms |
520 KB |
Output is correct |
8 |
Incorrect |
2 ms |
524 KB |
Output isn't correct |
9 |
Halted |
0 ms |
0 KB |
- |