#include <bits/stdc++.h>
#define FOR(i, x, y) for (int i = x; i < y; i++)
typedef long long ll;
using namespace std;
int n, a[1000001], bit[1000001];
void update(int pos) {
for (; pos <= 1000000; pos += (pos & (-pos))) bit[pos]++;
}
int query(int a, int b) {
int ans = 0;
for (b--; b; b -= (b & (-b))) ans += bit[b];
for (; a; a -= (a & (-a))) ans -= bit[a];
return ans;
}
int main() {
ios_base::sync_with_stdio(0);
cin.tie(0);
cin >> n;
FOR(i, 0, n) cin >> a[i];
int ans = 1;
update(a[0]);
FOR(i, 1, n) {
if (a[i] < a[i - 1] || query(a[i - 1], a[i]) > 0) ans++;
update(a[i]);
}
cout << ans;
return 0;
}
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
5 ms |
376 KB |
Output is correct |
| 2 |
Correct |
5 ms |
376 KB |
Output is correct |
| 3 |
Correct |
5 ms |
396 KB |
Output is correct |
| 4 |
Correct |
5 ms |
376 KB |
Output is correct |
| 5 |
Correct |
5 ms |
376 KB |
Output is correct |
| 6 |
Correct |
5 ms |
376 KB |
Output is correct |
| 7 |
Correct |
5 ms |
376 KB |
Output is correct |
| 8 |
Correct |
5 ms |
376 KB |
Output is correct |
| 9 |
Correct |
5 ms |
408 KB |
Output is correct |
| 10 |
Correct |
5 ms |
504 KB |
Output is correct |
| 11 |
Correct |
6 ms |
376 KB |
Output is correct |
| 12 |
Incorrect |
5 ms |
376 KB |
Output isn't correct |
| 13 |
Halted |
0 ms |
0 KB |
- |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
5 ms |
376 KB |
Output is correct |
| 2 |
Correct |
5 ms |
376 KB |
Output is correct |
| 3 |
Correct |
5 ms |
396 KB |
Output is correct |
| 4 |
Correct |
5 ms |
376 KB |
Output is correct |
| 5 |
Correct |
5 ms |
376 KB |
Output is correct |
| 6 |
Correct |
5 ms |
376 KB |
Output is correct |
| 7 |
Correct |
5 ms |
376 KB |
Output is correct |
| 8 |
Correct |
5 ms |
376 KB |
Output is correct |
| 9 |
Correct |
5 ms |
408 KB |
Output is correct |
| 10 |
Correct |
5 ms |
504 KB |
Output is correct |
| 11 |
Correct |
6 ms |
376 KB |
Output is correct |
| 12 |
Incorrect |
5 ms |
376 KB |
Output isn't correct |
| 13 |
Halted |
0 ms |
0 KB |
- |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
5 ms |
376 KB |
Output is correct |
| 2 |
Correct |
5 ms |
376 KB |
Output is correct |
| 3 |
Correct |
5 ms |
396 KB |
Output is correct |
| 4 |
Correct |
5 ms |
376 KB |
Output is correct |
| 5 |
Correct |
5 ms |
376 KB |
Output is correct |
| 6 |
Correct |
5 ms |
376 KB |
Output is correct |
| 7 |
Correct |
5 ms |
376 KB |
Output is correct |
| 8 |
Correct |
5 ms |
376 KB |
Output is correct |
| 9 |
Correct |
5 ms |
408 KB |
Output is correct |
| 10 |
Correct |
5 ms |
504 KB |
Output is correct |
| 11 |
Correct |
6 ms |
376 KB |
Output is correct |
| 12 |
Incorrect |
5 ms |
376 KB |
Output isn't correct |
| 13 |
Halted |
0 ms |
0 KB |
- |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
5 ms |
376 KB |
Output is correct |
| 2 |
Correct |
5 ms |
376 KB |
Output is correct |
| 3 |
Correct |
5 ms |
396 KB |
Output is correct |
| 4 |
Correct |
5 ms |
376 KB |
Output is correct |
| 5 |
Correct |
5 ms |
376 KB |
Output is correct |
| 6 |
Correct |
5 ms |
376 KB |
Output is correct |
| 7 |
Correct |
5 ms |
376 KB |
Output is correct |
| 8 |
Correct |
5 ms |
376 KB |
Output is correct |
| 9 |
Correct |
5 ms |
408 KB |
Output is correct |
| 10 |
Correct |
5 ms |
504 KB |
Output is correct |
| 11 |
Correct |
6 ms |
376 KB |
Output is correct |
| 12 |
Incorrect |
5 ms |
376 KB |
Output isn't correct |
| 13 |
Halted |
0 ms |
0 KB |
- |
