#include <iostream>
#include <algorithm>
#include <cmath>
#include <string>
#include <cstdlib>
#include <vector>
#include <queue>
#include <set>
#include <map>
#include <cstdio>
#include <iomanip>
#include <unordered_map>
#define SWS ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0)
#define pb push_back
#define ppb pop_back
#define ft first
#define sd second
#define readf freopen("input.txt", "r", stdin)
#define writef freopen("output.txt", "w", stdout)
#define files readf; writef
using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
const int Z = 1000 * 1000;
const int N = (int)1e6 + 228;
const int INF = (int)1e9 + 5;
const int MOD = (int)1e9 + 7;
int a[N], t[4 * N];
void update(int v, int tl, int tr, int pos) {
if (tl == tr) {
t[v]++;
return;
}
int mid = (tl + tr) / 2;
if (pos <= mid) update(2 * v, tl, mid, pos);
else update(2 * v + 1, mid + 1, tr, pos);
t[v] = t[2 * v] + t[2 * v + 1];
}
int get(int v, int tl, int tr, int l, int r) {
if (tl >= l && tr <= r) {
return t[v];
}
if (tl > r || tr < l) {
return 0;
}
int mid = (tl + tr) / 2;
return get(2 * v, tl, mid, l, r) + get(2 * v + 1, mid + 1, tr, l, r);
}
int main() {
SWS;
srand(time(0));
//files;
int n;
cin >> n;
for (int i = 1; i <= n; i++) {
cin >> a[i];
}
int ans = 0;
for (int i = 1; i <= n; i++) {
vector<int> kek;
kek.pb(a[i]);
int r = i + 1;
while (r <= n) {
if (a[r] < a[r - 1]) break;
if (get(1, 1, Z, a[i] + 1, a[r] - 1)) break;
kek.pb(a[r]);
r++;
}
i = r - 1;
ans++;
for (int q : kek) {
update(1, 1, Z, q);
}
}
cout << ans;
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Correct |
2 ms |
376 KB |
Output is correct |
5 |
Correct |
2 ms |
376 KB |
Output is correct |
6 |
Correct |
2 ms |
504 KB |
Output is correct |
7 |
Correct |
2 ms |
508 KB |
Output is correct |
8 |
Correct |
2 ms |
376 KB |
Output is correct |
9 |
Correct |
1 ms |
504 KB |
Output is correct |
10 |
Correct |
2 ms |
504 KB |
Output is correct |
11 |
Correct |
2 ms |
504 KB |
Output is correct |
12 |
Correct |
2 ms |
504 KB |
Output is correct |
13 |
Correct |
2 ms |
504 KB |
Output is correct |
14 |
Correct |
3 ms |
504 KB |
Output is correct |
15 |
Correct |
3 ms |
632 KB |
Output is correct |
16 |
Correct |
2 ms |
632 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Correct |
2 ms |
376 KB |
Output is correct |
5 |
Correct |
2 ms |
376 KB |
Output is correct |
6 |
Correct |
2 ms |
504 KB |
Output is correct |
7 |
Correct |
2 ms |
508 KB |
Output is correct |
8 |
Correct |
2 ms |
376 KB |
Output is correct |
9 |
Correct |
1 ms |
504 KB |
Output is correct |
10 |
Correct |
2 ms |
504 KB |
Output is correct |
11 |
Correct |
2 ms |
504 KB |
Output is correct |
12 |
Correct |
2 ms |
504 KB |
Output is correct |
13 |
Correct |
2 ms |
504 KB |
Output is correct |
14 |
Correct |
3 ms |
504 KB |
Output is correct |
15 |
Correct |
3 ms |
632 KB |
Output is correct |
16 |
Correct |
2 ms |
632 KB |
Output is correct |
17 |
Correct |
2 ms |
504 KB |
Output is correct |
18 |
Correct |
3 ms |
632 KB |
Output is correct |
19 |
Correct |
3 ms |
632 KB |
Output is correct |
20 |
Correct |
2 ms |
504 KB |
Output is correct |
21 |
Correct |
2 ms |
504 KB |
Output is correct |
22 |
Correct |
2 ms |
504 KB |
Output is correct |
23 |
Correct |
2 ms |
376 KB |
Output is correct |
24 |
Correct |
2 ms |
504 KB |
Output is correct |
25 |
Correct |
0 ms |
760 KB |
Output is correct |
26 |
Correct |
2 ms |
760 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Correct |
2 ms |
376 KB |
Output is correct |
5 |
Correct |
2 ms |
376 KB |
Output is correct |
6 |
Correct |
2 ms |
504 KB |
Output is correct |
7 |
Correct |
2 ms |
508 KB |
Output is correct |
8 |
Correct |
2 ms |
376 KB |
Output is correct |
9 |
Correct |
1 ms |
504 KB |
Output is correct |
10 |
Correct |
2 ms |
504 KB |
Output is correct |
11 |
Correct |
2 ms |
504 KB |
Output is correct |
12 |
Correct |
2 ms |
504 KB |
Output is correct |
13 |
Correct |
2 ms |
504 KB |
Output is correct |
14 |
Correct |
3 ms |
504 KB |
Output is correct |
15 |
Correct |
3 ms |
632 KB |
Output is correct |
16 |
Correct |
2 ms |
632 KB |
Output is correct |
17 |
Correct |
2 ms |
504 KB |
Output is correct |
18 |
Correct |
3 ms |
632 KB |
Output is correct |
19 |
Correct |
3 ms |
632 KB |
Output is correct |
20 |
Correct |
2 ms |
504 KB |
Output is correct |
21 |
Correct |
2 ms |
504 KB |
Output is correct |
22 |
Correct |
2 ms |
504 KB |
Output is correct |
23 |
Correct |
2 ms |
376 KB |
Output is correct |
24 |
Correct |
2 ms |
504 KB |
Output is correct |
25 |
Correct |
0 ms |
760 KB |
Output is correct |
26 |
Correct |
2 ms |
760 KB |
Output is correct |
27 |
Correct |
2 ms |
376 KB |
Output is correct |
28 |
Correct |
2 ms |
376 KB |
Output is correct |
29 |
Correct |
2 ms |
376 KB |
Output is correct |
30 |
Correct |
2 ms |
376 KB |
Output is correct |
31 |
Correct |
2 ms |
376 KB |
Output is correct |
32 |
Correct |
2 ms |
504 KB |
Output is correct |
33 |
Correct |
2 ms |
504 KB |
Output is correct |
34 |
Correct |
1 ms |
632 KB |
Output is correct |
35 |
Correct |
2 ms |
376 KB |
Output is correct |
36 |
Correct |
2 ms |
504 KB |
Output is correct |
37 |
Correct |
5 ms |
2856 KB |
Output is correct |
38 |
Correct |
5 ms |
2808 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Correct |
2 ms |
376 KB |
Output is correct |
5 |
Correct |
2 ms |
376 KB |
Output is correct |
6 |
Correct |
2 ms |
504 KB |
Output is correct |
7 |
Correct |
2 ms |
508 KB |
Output is correct |
8 |
Correct |
2 ms |
376 KB |
Output is correct |
9 |
Correct |
1 ms |
504 KB |
Output is correct |
10 |
Correct |
2 ms |
504 KB |
Output is correct |
11 |
Correct |
2 ms |
504 KB |
Output is correct |
12 |
Correct |
2 ms |
504 KB |
Output is correct |
13 |
Correct |
2 ms |
504 KB |
Output is correct |
14 |
Correct |
3 ms |
504 KB |
Output is correct |
15 |
Correct |
3 ms |
632 KB |
Output is correct |
16 |
Correct |
2 ms |
632 KB |
Output is correct |
17 |
Correct |
2 ms |
504 KB |
Output is correct |
18 |
Correct |
3 ms |
632 KB |
Output is correct |
19 |
Correct |
3 ms |
632 KB |
Output is correct |
20 |
Correct |
2 ms |
504 KB |
Output is correct |
21 |
Correct |
2 ms |
504 KB |
Output is correct |
22 |
Correct |
2 ms |
504 KB |
Output is correct |
23 |
Correct |
2 ms |
376 KB |
Output is correct |
24 |
Correct |
2 ms |
504 KB |
Output is correct |
25 |
Correct |
0 ms |
760 KB |
Output is correct |
26 |
Correct |
2 ms |
760 KB |
Output is correct |
27 |
Correct |
2 ms |
376 KB |
Output is correct |
28 |
Correct |
2 ms |
376 KB |
Output is correct |
29 |
Correct |
2 ms |
376 KB |
Output is correct |
30 |
Correct |
2 ms |
376 KB |
Output is correct |
31 |
Correct |
2 ms |
376 KB |
Output is correct |
32 |
Correct |
2 ms |
504 KB |
Output is correct |
33 |
Correct |
2 ms |
504 KB |
Output is correct |
34 |
Correct |
1 ms |
632 KB |
Output is correct |
35 |
Correct |
2 ms |
376 KB |
Output is correct |
36 |
Correct |
2 ms |
504 KB |
Output is correct |
37 |
Correct |
5 ms |
2856 KB |
Output is correct |
38 |
Correct |
5 ms |
2808 KB |
Output is correct |
39 |
Correct |
208 ms |
2468 KB |
Output is correct |
40 |
Correct |
343 ms |
3932 KB |
Output is correct |
41 |
Correct |
167 ms |
2092 KB |
Output is correct |
42 |
Correct |
154 ms |
2296 KB |
Output is correct |
43 |
Correct |
116 ms |
1912 KB |
Output is correct |
44 |
Correct |
430 ms |
4612 KB |
Output is correct |
45 |
Correct |
435 ms |
4584 KB |
Output is correct |
46 |
Correct |
416 ms |
4696 KB |
Output is correct |
47 |
Correct |
438 ms |
4472 KB |
Output is correct |
48 |
Correct |
423 ms |
4472 KB |
Output is correct |
49 |
Correct |
597 ms |
12540 KB |
Output is correct |
50 |
Correct |
597 ms |
12636 KB |
Output is correct |
51 |
Correct |
598 ms |
12540 KB |
Output is correct |
52 |
Correct |
589 ms |
12568 KB |
Output is correct |
53 |
Correct |
601 ms |
12616 KB |
Output is correct |
54 |
Correct |
603 ms |
12664 KB |
Output is correct |
55 |
Correct |
738 ms |
12664 KB |
Output is correct |
56 |
Correct |
740 ms |
12536 KB |
Output is correct |
57 |
Correct |
734 ms |
12664 KB |
Output is correct |
58 |
Correct |
778 ms |
12644 KB |
Output is correct |
59 |
Correct |
743 ms |
12584 KB |
Output is correct |
60 |
Correct |
735 ms |
12408 KB |
Output is correct |
61 |
Correct |
735 ms |
13432 KB |
Output is correct |
62 |
Correct |
750 ms |
13420 KB |
Output is correct |