#include <bits/stdc++.h>
#define endl '\n'
using namespace std;
const int MAX_N = 1e6 + 5;
const int MAX_A = 1e6 + 5;
struct IndexTree {
private:
int data[MAX_A];
public:
void Add(int ind, int val);
int Get(int ind);
int GetInInterval(int low, int high);
};
void IndexTree::Add(int ind, int val) {
while(ind < MAX_A) {
data[ind] += val;
ind += (ind & (-ind));
}
}
int IndexTree::Get(int ind) {
int ans = 0;
while(ind > 0) {
ans += data[ind];
ind -= (ind & (-ind));
}
return ans;
}
int IndexTree::GetInInterval(int low, int high) {
return Get(high) - Get(low - 1);
}
int a[MAX_N];
IndexTree indexTree;
int main() {
ios_base::sync_with_stdio(false);
cin.tie(nullptr);
int n;
cin >> n;
for(int i = 0; i < n; i++) {
cin >> a[i];
}
int ans = 0;
for(int i = 0; i < n; ) {
int j;
for(j = i + 1; j < n; j++) {
if(a[j] < a[j - 1] || indexTree.GetInInterval(a[i] + 1, a[j] - 1) > 0) {
break;
}
}
ans++;
for(int p = i; p < j; p++) {
indexTree.Add(a[p], 1);
}
i = j;
}
cout << ans << endl;
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
9988 KB |
Output is correct |
2 |
Correct |
0 ms |
9988 KB |
Output is correct |
3 |
Correct |
0 ms |
9988 KB |
Output is correct |
4 |
Correct |
0 ms |
9988 KB |
Output is correct |
5 |
Correct |
0 ms |
9988 KB |
Output is correct |
6 |
Correct |
0 ms |
9988 KB |
Output is correct |
7 |
Correct |
0 ms |
9988 KB |
Output is correct |
8 |
Correct |
0 ms |
9988 KB |
Output is correct |
9 |
Correct |
0 ms |
9988 KB |
Output is correct |
10 |
Correct |
0 ms |
9988 KB |
Output is correct |
11 |
Correct |
0 ms |
9988 KB |
Output is correct |
12 |
Correct |
0 ms |
9988 KB |
Output is correct |
13 |
Correct |
0 ms |
9988 KB |
Output is correct |
14 |
Correct |
0 ms |
9988 KB |
Output is correct |
15 |
Correct |
0 ms |
9988 KB |
Output is correct |
16 |
Correct |
0 ms |
9988 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
9988 KB |
Output is correct |
2 |
Correct |
0 ms |
9988 KB |
Output is correct |
3 |
Correct |
0 ms |
9988 KB |
Output is correct |
4 |
Correct |
0 ms |
9988 KB |
Output is correct |
5 |
Correct |
0 ms |
9988 KB |
Output is correct |
6 |
Correct |
0 ms |
9988 KB |
Output is correct |
7 |
Correct |
0 ms |
9988 KB |
Output is correct |
8 |
Correct |
0 ms |
9988 KB |
Output is correct |
9 |
Correct |
0 ms |
9988 KB |
Output is correct |
10 |
Correct |
0 ms |
9988 KB |
Output is correct |
11 |
Correct |
0 ms |
9988 KB |
Output is correct |
12 |
Correct |
0 ms |
9988 KB |
Output is correct |
13 |
Correct |
0 ms |
9988 KB |
Output is correct |
14 |
Correct |
0 ms |
9988 KB |
Output is correct |
15 |
Correct |
0 ms |
9988 KB |
Output is correct |
16 |
Correct |
0 ms |
9988 KB |
Output is correct |
17 |
Correct |
0 ms |
9988 KB |
Output is correct |
18 |
Correct |
0 ms |
9988 KB |
Output is correct |
19 |
Correct |
0 ms |
9988 KB |
Output is correct |
20 |
Correct |
0 ms |
9988 KB |
Output is correct |
21 |
Correct |
0 ms |
9988 KB |
Output is correct |
22 |
Correct |
0 ms |
9988 KB |
Output is correct |
23 |
Correct |
0 ms |
9988 KB |
Output is correct |
24 |
Correct |
0 ms |
9988 KB |
Output is correct |
25 |
Correct |
0 ms |
9988 KB |
Output is correct |
26 |
Correct |
0 ms |
9988 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
9988 KB |
Output is correct |
2 |
Correct |
0 ms |
9988 KB |
Output is correct |
3 |
Correct |
0 ms |
9988 KB |
Output is correct |
4 |
Correct |
0 ms |
9988 KB |
Output is correct |
5 |
Correct |
0 ms |
9988 KB |
Output is correct |
6 |
Correct |
0 ms |
9988 KB |
Output is correct |
7 |
Correct |
0 ms |
9988 KB |
Output is correct |
8 |
Correct |
0 ms |
9988 KB |
Output is correct |
9 |
Correct |
0 ms |
9988 KB |
Output is correct |
10 |
Correct |
0 ms |
9988 KB |
Output is correct |
11 |
Correct |
0 ms |
9988 KB |
Output is correct |
12 |
Correct |
0 ms |
9988 KB |
Output is correct |
13 |
Correct |
0 ms |
9988 KB |
Output is correct |
14 |
Correct |
0 ms |
9988 KB |
Output is correct |
15 |
Correct |
0 ms |
9988 KB |
Output is correct |
16 |
Correct |
0 ms |
9988 KB |
Output is correct |
17 |
Correct |
0 ms |
9988 KB |
Output is correct |
18 |
Correct |
0 ms |
9988 KB |
Output is correct |
19 |
Correct |
0 ms |
9988 KB |
Output is correct |
20 |
Correct |
0 ms |
9988 KB |
Output is correct |
21 |
Correct |
0 ms |
9988 KB |
Output is correct |
22 |
Correct |
0 ms |
9988 KB |
Output is correct |
23 |
Correct |
0 ms |
9988 KB |
Output is correct |
24 |
Correct |
0 ms |
9988 KB |
Output is correct |
25 |
Correct |
0 ms |
9988 KB |
Output is correct |
26 |
Correct |
0 ms |
9988 KB |
Output is correct |
27 |
Correct |
0 ms |
9988 KB |
Output is correct |
28 |
Correct |
0 ms |
9988 KB |
Output is correct |
29 |
Correct |
0 ms |
9988 KB |
Output is correct |
30 |
Correct |
0 ms |
9988 KB |
Output is correct |
31 |
Correct |
0 ms |
9988 KB |
Output is correct |
32 |
Correct |
0 ms |
9988 KB |
Output is correct |
33 |
Correct |
0 ms |
9988 KB |
Output is correct |
34 |
Correct |
0 ms |
9988 KB |
Output is correct |
35 |
Correct |
0 ms |
9988 KB |
Output is correct |
36 |
Correct |
0 ms |
9988 KB |
Output is correct |
37 |
Correct |
0 ms |
9988 KB |
Output is correct |
38 |
Correct |
0 ms |
9988 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
9988 KB |
Output is correct |
2 |
Correct |
0 ms |
9988 KB |
Output is correct |
3 |
Correct |
0 ms |
9988 KB |
Output is correct |
4 |
Correct |
0 ms |
9988 KB |
Output is correct |
5 |
Correct |
0 ms |
9988 KB |
Output is correct |
6 |
Correct |
0 ms |
9988 KB |
Output is correct |
7 |
Correct |
0 ms |
9988 KB |
Output is correct |
8 |
Correct |
0 ms |
9988 KB |
Output is correct |
9 |
Correct |
0 ms |
9988 KB |
Output is correct |
10 |
Correct |
0 ms |
9988 KB |
Output is correct |
11 |
Correct |
0 ms |
9988 KB |
Output is correct |
12 |
Correct |
0 ms |
9988 KB |
Output is correct |
13 |
Correct |
0 ms |
9988 KB |
Output is correct |
14 |
Correct |
0 ms |
9988 KB |
Output is correct |
15 |
Correct |
0 ms |
9988 KB |
Output is correct |
16 |
Correct |
0 ms |
9988 KB |
Output is correct |
17 |
Correct |
0 ms |
9988 KB |
Output is correct |
18 |
Correct |
0 ms |
9988 KB |
Output is correct |
19 |
Correct |
0 ms |
9988 KB |
Output is correct |
20 |
Correct |
0 ms |
9988 KB |
Output is correct |
21 |
Correct |
0 ms |
9988 KB |
Output is correct |
22 |
Correct |
0 ms |
9988 KB |
Output is correct |
23 |
Correct |
0 ms |
9988 KB |
Output is correct |
24 |
Correct |
0 ms |
9988 KB |
Output is correct |
25 |
Correct |
0 ms |
9988 KB |
Output is correct |
26 |
Correct |
0 ms |
9988 KB |
Output is correct |
27 |
Correct |
0 ms |
9988 KB |
Output is correct |
28 |
Correct |
0 ms |
9988 KB |
Output is correct |
29 |
Correct |
0 ms |
9988 KB |
Output is correct |
30 |
Correct |
0 ms |
9988 KB |
Output is correct |
31 |
Correct |
0 ms |
9988 KB |
Output is correct |
32 |
Correct |
0 ms |
9988 KB |
Output is correct |
33 |
Correct |
0 ms |
9988 KB |
Output is correct |
34 |
Correct |
0 ms |
9988 KB |
Output is correct |
35 |
Correct |
0 ms |
9988 KB |
Output is correct |
36 |
Correct |
0 ms |
9988 KB |
Output is correct |
37 |
Correct |
0 ms |
9988 KB |
Output is correct |
38 |
Correct |
0 ms |
9988 KB |
Output is correct |
39 |
Correct |
66 ms |
9988 KB |
Output is correct |
40 |
Correct |
113 ms |
9988 KB |
Output is correct |
41 |
Correct |
59 ms |
9988 KB |
Output is correct |
42 |
Correct |
59 ms |
9988 KB |
Output is correct |
43 |
Correct |
43 ms |
9988 KB |
Output is correct |
44 |
Correct |
156 ms |
9988 KB |
Output is correct |
45 |
Correct |
169 ms |
9988 KB |
Output is correct |
46 |
Correct |
149 ms |
9988 KB |
Output is correct |
47 |
Correct |
143 ms |
9988 KB |
Output is correct |
48 |
Correct |
139 ms |
9988 KB |
Output is correct |
49 |
Correct |
173 ms |
9988 KB |
Output is correct |
50 |
Correct |
169 ms |
9988 KB |
Output is correct |
51 |
Correct |
169 ms |
9988 KB |
Output is correct |
52 |
Correct |
176 ms |
9988 KB |
Output is correct |
53 |
Correct |
159 ms |
9988 KB |
Output is correct |
54 |
Correct |
169 ms |
9988 KB |
Output is correct |
55 |
Correct |
229 ms |
9988 KB |
Output is correct |
56 |
Correct |
186 ms |
9988 KB |
Output is correct |
57 |
Correct |
166 ms |
9988 KB |
Output is correct |
58 |
Correct |
166 ms |
9988 KB |
Output is correct |
59 |
Correct |
166 ms |
9988 KB |
Output is correct |
60 |
Correct |
159 ms |
9988 KB |
Output is correct |
61 |
Correct |
173 ms |
9988 KB |
Output is correct |
62 |
Correct |
199 ms |
9988 KB |
Output is correct |