#include <bits/stdc++.h>
using namespace std;
const int inf=1e9, nx=1e6+5;
int n, v[nx], l, idx, dp[nx];
set<int> s;
int main()
{
cin.tie(NULL)->sync_with_stdio(false);
cin>>n;
s.insert(1e9);
for (int i=1; i<=n; i++)
{
cin>>v[i];
//cout<<i<<' '<<v[i]<<' '<<l<<'\n';
if (v[i]>=v[i-1]&&v[i]<=l)
{
dp[i]=dp[idx]+1;
}
else
{
while (idx<i) s.insert(v[idx]), idx++;
l=*s.upper_bound(v[i]);
idx=i-1;
dp[i]=dp[i-1]+1;
}
//cout<<"here"<<' '<<dp[i]<<'\n';
}
cout<<dp[n];
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
2392 KB |
Output is correct |
2 |
Correct |
0 ms |
2396 KB |
Output is correct |
3 |
Correct |
1 ms |
2396 KB |
Output is correct |
4 |
Correct |
1 ms |
2396 KB |
Output is correct |
5 |
Correct |
0 ms |
2396 KB |
Output is correct |
6 |
Correct |
0 ms |
2396 KB |
Output is correct |
7 |
Correct |
0 ms |
2524 KB |
Output is correct |
8 |
Correct |
1 ms |
2408 KB |
Output is correct |
9 |
Correct |
0 ms |
2396 KB |
Output is correct |
10 |
Correct |
0 ms |
2396 KB |
Output is correct |
11 |
Correct |
0 ms |
2396 KB |
Output is correct |
12 |
Correct |
1 ms |
2396 KB |
Output is correct |
13 |
Correct |
0 ms |
2396 KB |
Output is correct |
14 |
Correct |
1 ms |
2396 KB |
Output is correct |
15 |
Correct |
1 ms |
2396 KB |
Output is correct |
16 |
Correct |
1 ms |
2396 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
2392 KB |
Output is correct |
2 |
Correct |
0 ms |
2396 KB |
Output is correct |
3 |
Correct |
1 ms |
2396 KB |
Output is correct |
4 |
Correct |
1 ms |
2396 KB |
Output is correct |
5 |
Correct |
0 ms |
2396 KB |
Output is correct |
6 |
Correct |
0 ms |
2396 KB |
Output is correct |
7 |
Correct |
0 ms |
2524 KB |
Output is correct |
8 |
Correct |
1 ms |
2408 KB |
Output is correct |
9 |
Correct |
0 ms |
2396 KB |
Output is correct |
10 |
Correct |
0 ms |
2396 KB |
Output is correct |
11 |
Correct |
0 ms |
2396 KB |
Output is correct |
12 |
Correct |
1 ms |
2396 KB |
Output is correct |
13 |
Correct |
0 ms |
2396 KB |
Output is correct |
14 |
Correct |
1 ms |
2396 KB |
Output is correct |
15 |
Correct |
1 ms |
2396 KB |
Output is correct |
16 |
Correct |
1 ms |
2396 KB |
Output is correct |
17 |
Correct |
1 ms |
2392 KB |
Output is correct |
18 |
Correct |
1 ms |
2396 KB |
Output is correct |
19 |
Correct |
1 ms |
2396 KB |
Output is correct |
20 |
Correct |
0 ms |
2396 KB |
Output is correct |
21 |
Correct |
0 ms |
2396 KB |
Output is correct |
22 |
Correct |
1 ms |
2396 KB |
Output is correct |
23 |
Correct |
0 ms |
2396 KB |
Output is correct |
24 |
Correct |
1 ms |
2396 KB |
Output is correct |
25 |
Correct |
0 ms |
2396 KB |
Output is correct |
26 |
Correct |
1 ms |
2396 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
2392 KB |
Output is correct |
2 |
Correct |
0 ms |
2396 KB |
Output is correct |
3 |
Correct |
1 ms |
2396 KB |
Output is correct |
4 |
Correct |
1 ms |
2396 KB |
Output is correct |
5 |
Correct |
0 ms |
2396 KB |
Output is correct |
6 |
Correct |
0 ms |
2396 KB |
Output is correct |
7 |
Correct |
0 ms |
2524 KB |
Output is correct |
8 |
Correct |
1 ms |
2408 KB |
Output is correct |
9 |
Correct |
0 ms |
2396 KB |
Output is correct |
10 |
Correct |
0 ms |
2396 KB |
Output is correct |
11 |
Correct |
0 ms |
2396 KB |
Output is correct |
12 |
Correct |
1 ms |
2396 KB |
Output is correct |
13 |
Correct |
0 ms |
2396 KB |
Output is correct |
14 |
Correct |
1 ms |
2396 KB |
Output is correct |
15 |
Correct |
1 ms |
2396 KB |
Output is correct |
16 |
Correct |
1 ms |
2396 KB |
Output is correct |
17 |
Correct |
1 ms |
2392 KB |
Output is correct |
18 |
Correct |
1 ms |
2396 KB |
Output is correct |
19 |
Correct |
1 ms |
2396 KB |
Output is correct |
20 |
Correct |
0 ms |
2396 KB |
Output is correct |
21 |
Correct |
0 ms |
2396 KB |
Output is correct |
22 |
Correct |
1 ms |
2396 KB |
Output is correct |
23 |
Correct |
0 ms |
2396 KB |
Output is correct |
24 |
Correct |
1 ms |
2396 KB |
Output is correct |
25 |
Correct |
0 ms |
2396 KB |
Output is correct |
26 |
Correct |
1 ms |
2396 KB |
Output is correct |
27 |
Correct |
1 ms |
2396 KB |
Output is correct |
28 |
Correct |
0 ms |
2512 KB |
Output is correct |
29 |
Correct |
1 ms |
2396 KB |
Output is correct |
30 |
Correct |
1 ms |
2392 KB |
Output is correct |
31 |
Correct |
1 ms |
2392 KB |
Output is correct |
32 |
Correct |
0 ms |
2396 KB |
Output is correct |
33 |
Correct |
0 ms |
2396 KB |
Output is correct |
34 |
Correct |
1 ms |
2396 KB |
Output is correct |
35 |
Correct |
0 ms |
2392 KB |
Output is correct |
36 |
Correct |
1 ms |
2396 KB |
Output is correct |
37 |
Correct |
1 ms |
2392 KB |
Output is correct |
38 |
Correct |
1 ms |
2392 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
2392 KB |
Output is correct |
2 |
Correct |
0 ms |
2396 KB |
Output is correct |
3 |
Correct |
1 ms |
2396 KB |
Output is correct |
4 |
Correct |
1 ms |
2396 KB |
Output is correct |
5 |
Correct |
0 ms |
2396 KB |
Output is correct |
6 |
Correct |
0 ms |
2396 KB |
Output is correct |
7 |
Correct |
0 ms |
2524 KB |
Output is correct |
8 |
Correct |
1 ms |
2408 KB |
Output is correct |
9 |
Correct |
0 ms |
2396 KB |
Output is correct |
10 |
Correct |
0 ms |
2396 KB |
Output is correct |
11 |
Correct |
0 ms |
2396 KB |
Output is correct |
12 |
Correct |
1 ms |
2396 KB |
Output is correct |
13 |
Correct |
0 ms |
2396 KB |
Output is correct |
14 |
Correct |
1 ms |
2396 KB |
Output is correct |
15 |
Correct |
1 ms |
2396 KB |
Output is correct |
16 |
Correct |
1 ms |
2396 KB |
Output is correct |
17 |
Correct |
1 ms |
2392 KB |
Output is correct |
18 |
Correct |
1 ms |
2396 KB |
Output is correct |
19 |
Correct |
1 ms |
2396 KB |
Output is correct |
20 |
Correct |
0 ms |
2396 KB |
Output is correct |
21 |
Correct |
0 ms |
2396 KB |
Output is correct |
22 |
Correct |
1 ms |
2396 KB |
Output is correct |
23 |
Correct |
0 ms |
2396 KB |
Output is correct |
24 |
Correct |
1 ms |
2396 KB |
Output is correct |
25 |
Correct |
0 ms |
2396 KB |
Output is correct |
26 |
Correct |
1 ms |
2396 KB |
Output is correct |
27 |
Correct |
1 ms |
2396 KB |
Output is correct |
28 |
Correct |
0 ms |
2512 KB |
Output is correct |
29 |
Correct |
1 ms |
2396 KB |
Output is correct |
30 |
Correct |
1 ms |
2392 KB |
Output is correct |
31 |
Correct |
1 ms |
2392 KB |
Output is correct |
32 |
Correct |
0 ms |
2396 KB |
Output is correct |
33 |
Correct |
0 ms |
2396 KB |
Output is correct |
34 |
Correct |
1 ms |
2396 KB |
Output is correct |
35 |
Correct |
0 ms |
2392 KB |
Output is correct |
36 |
Correct |
1 ms |
2396 KB |
Output is correct |
37 |
Correct |
1 ms |
2392 KB |
Output is correct |
38 |
Correct |
1 ms |
2392 KB |
Output is correct |
39 |
Correct |
45 ms |
9712 KB |
Output is correct |
40 |
Correct |
95 ms |
12640 KB |
Output is correct |
41 |
Correct |
36 ms |
9300 KB |
Output is correct |
42 |
Correct |
38 ms |
8924 KB |
Output is correct |
43 |
Correct |
28 ms |
8276 KB |
Output is correct |
44 |
Correct |
101 ms |
14808 KB |
Output is correct |
45 |
Correct |
97 ms |
14932 KB |
Output is correct |
46 |
Correct |
99 ms |
14944 KB |
Output is correct |
47 |
Correct |
78 ms |
14964 KB |
Output is correct |
48 |
Correct |
86 ms |
14864 KB |
Output is correct |
49 |
Correct |
339 ms |
33364 KB |
Output is correct |
50 |
Correct |
320 ms |
33592 KB |
Output is correct |
51 |
Correct |
321 ms |
33272 KB |
Output is correct |
52 |
Correct |
318 ms |
33360 KB |
Output is correct |
53 |
Correct |
342 ms |
33536 KB |
Output is correct |
54 |
Correct |
320 ms |
33364 KB |
Output is correct |
55 |
Correct |
791 ms |
61952 KB |
Output is correct |
56 |
Correct |
838 ms |
61808 KB |
Output is correct |
57 |
Correct |
857 ms |
61768 KB |
Output is correct |
58 |
Correct |
828 ms |
61780 KB |
Output is correct |
59 |
Correct |
862 ms |
61956 KB |
Output is correct |
60 |
Correct |
830 ms |
61780 KB |
Output is correct |
61 |
Correct |
818 ms |
61776 KB |
Output is correct |
62 |
Correct |
835 ms |
61904 KB |
Output is correct |