#include <bits/stdc++.h>
#define x first
#define y second
using namespace std;
typedef long long ll;
typedef pair<ll, ll> p;
int n;
vector<p> v;
int dp[2020][2020];
int ccw(int _a, int _b, int _c){
p a = v[_a], b = v[_b], c = v[_c];
ll res = a.x*b.y + b.x*c.y + c.x*a.y;
res -= b.x*a.y + c.x*b.y + a.x*c.y;
if(res > 0) return 1;
if(res) return -1;
return 0;
}
int maximum_deevs(vector<int> h){
n = h.size(); v.resize(n+1);
for(int i=1; i<=n; i++) v[i].x = i, v[i].y = h[i-1];
for(int i=1; i<=n; i++){
dp[i][i] = dp[i-1][i] = 1;
int left = i - 1, v = 0;
for(int j=i-2; j>0; j--){
if(ccw(j, left, i) >= 0){
v += dp[j+1][left-1];
left = j;
}
dp[j][i] = max(dp[j][i-1], v + dp[j][left-1] + 1);
}
}
return dp[1][n];
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
256 KB |
Output is correct |
2 |
Correct |
0 ms |
384 KB |
Output is correct |
3 |
Correct |
0 ms |
384 KB |
Output is correct |
4 |
Correct |
0 ms |
384 KB |
Output is correct |
5 |
Correct |
1 ms |
384 KB |
Output is correct |
6 |
Correct |
0 ms |
384 KB |
Output is correct |
7 |
Correct |
1 ms |
384 KB |
Output is correct |
8 |
Correct |
1 ms |
384 KB |
Output is correct |
9 |
Correct |
1 ms |
384 KB |
Output is correct |
10 |
Correct |
0 ms |
384 KB |
Output is correct |
11 |
Correct |
1 ms |
384 KB |
Output is correct |
12 |
Correct |
0 ms |
384 KB |
Output is correct |
13 |
Correct |
0 ms |
384 KB |
Output is correct |
14 |
Correct |
1 ms |
384 KB |
Output is correct |
15 |
Correct |
1 ms |
384 KB |
Output is correct |
16 |
Correct |
0 ms |
384 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
256 KB |
Output is correct |
2 |
Correct |
0 ms |
384 KB |
Output is correct |
3 |
Correct |
0 ms |
384 KB |
Output is correct |
4 |
Correct |
0 ms |
384 KB |
Output is correct |
5 |
Correct |
1 ms |
384 KB |
Output is correct |
6 |
Correct |
0 ms |
384 KB |
Output is correct |
7 |
Correct |
1 ms |
384 KB |
Output is correct |
8 |
Correct |
1 ms |
384 KB |
Output is correct |
9 |
Correct |
1 ms |
384 KB |
Output is correct |
10 |
Correct |
0 ms |
384 KB |
Output is correct |
11 |
Correct |
1 ms |
384 KB |
Output is correct |
12 |
Correct |
0 ms |
384 KB |
Output is correct |
13 |
Correct |
0 ms |
384 KB |
Output is correct |
14 |
Correct |
1 ms |
384 KB |
Output is correct |
15 |
Correct |
1 ms |
384 KB |
Output is correct |
16 |
Correct |
0 ms |
384 KB |
Output is correct |
17 |
Correct |
1 ms |
512 KB |
Output is correct |
18 |
Correct |
1 ms |
512 KB |
Output is correct |
19 |
Correct |
1 ms |
512 KB |
Output is correct |
20 |
Correct |
1 ms |
512 KB |
Output is correct |
21 |
Correct |
1 ms |
512 KB |
Output is correct |
22 |
Correct |
1 ms |
512 KB |
Output is correct |
23 |
Correct |
1 ms |
512 KB |
Output is correct |
24 |
Correct |
1 ms |
512 KB |
Output is correct |
25 |
Correct |
1 ms |
512 KB |
Output is correct |
26 |
Correct |
1 ms |
512 KB |
Output is correct |
27 |
Correct |
1 ms |
512 KB |
Output is correct |
28 |
Correct |
1 ms |
512 KB |
Output is correct |
29 |
Correct |
1 ms |
512 KB |
Output is correct |
30 |
Correct |
1 ms |
512 KB |
Output is correct |
31 |
Correct |
1 ms |
512 KB |
Output is correct |
32 |
Correct |
1 ms |
512 KB |
Output is correct |
33 |
Correct |
1 ms |
512 KB |
Output is correct |
34 |
Correct |
1 ms |
512 KB |
Output is correct |
35 |
Correct |
1 ms |
512 KB |
Output is correct |
36 |
Correct |
1 ms |
512 KB |
Output is correct |
37 |
Correct |
1 ms |
512 KB |
Output is correct |
38 |
Correct |
1 ms |
512 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
256 KB |
Output is correct |
2 |
Correct |
0 ms |
384 KB |
Output is correct |
3 |
Correct |
0 ms |
384 KB |
Output is correct |
4 |
Correct |
0 ms |
384 KB |
Output is correct |
5 |
Correct |
1 ms |
384 KB |
Output is correct |
6 |
Correct |
0 ms |
384 KB |
Output is correct |
7 |
Correct |
1 ms |
384 KB |
Output is correct |
8 |
Correct |
1 ms |
384 KB |
Output is correct |
9 |
Correct |
1 ms |
384 KB |
Output is correct |
10 |
Correct |
0 ms |
384 KB |
Output is correct |
11 |
Correct |
1 ms |
384 KB |
Output is correct |
12 |
Correct |
0 ms |
384 KB |
Output is correct |
13 |
Correct |
0 ms |
384 KB |
Output is correct |
14 |
Correct |
1 ms |
384 KB |
Output is correct |
15 |
Correct |
1 ms |
384 KB |
Output is correct |
16 |
Correct |
0 ms |
384 KB |
Output is correct |
17 |
Correct |
1 ms |
512 KB |
Output is correct |
18 |
Correct |
1 ms |
512 KB |
Output is correct |
19 |
Correct |
1 ms |
512 KB |
Output is correct |
20 |
Correct |
1 ms |
512 KB |
Output is correct |
21 |
Correct |
1 ms |
512 KB |
Output is correct |
22 |
Correct |
1 ms |
512 KB |
Output is correct |
23 |
Correct |
1 ms |
512 KB |
Output is correct |
24 |
Correct |
1 ms |
512 KB |
Output is correct |
25 |
Correct |
1 ms |
512 KB |
Output is correct |
26 |
Correct |
1 ms |
512 KB |
Output is correct |
27 |
Correct |
1 ms |
512 KB |
Output is correct |
28 |
Correct |
1 ms |
512 KB |
Output is correct |
29 |
Correct |
1 ms |
512 KB |
Output is correct |
30 |
Correct |
1 ms |
512 KB |
Output is correct |
31 |
Correct |
1 ms |
512 KB |
Output is correct |
32 |
Correct |
1 ms |
512 KB |
Output is correct |
33 |
Correct |
1 ms |
512 KB |
Output is correct |
34 |
Correct |
1 ms |
512 KB |
Output is correct |
35 |
Correct |
1 ms |
512 KB |
Output is correct |
36 |
Correct |
1 ms |
512 KB |
Output is correct |
37 |
Correct |
1 ms |
512 KB |
Output is correct |
38 |
Correct |
1 ms |
512 KB |
Output is correct |
39 |
Correct |
1 ms |
1152 KB |
Output is correct |
40 |
Correct |
2 ms |
1664 KB |
Output is correct |
41 |
Correct |
2 ms |
1664 KB |
Output is correct |
42 |
Correct |
2 ms |
1664 KB |
Output is correct |
43 |
Correct |
2 ms |
1664 KB |
Output is correct |
44 |
Correct |
2 ms |
1664 KB |
Output is correct |
45 |
Correct |
2 ms |
1664 KB |
Output is correct |
46 |
Correct |
2 ms |
1664 KB |
Output is correct |
47 |
Correct |
2 ms |
1664 KB |
Output is correct |
48 |
Correct |
2 ms |
1664 KB |
Output is correct |
49 |
Correct |
2 ms |
1664 KB |
Output is correct |
50 |
Correct |
2 ms |
1664 KB |
Output is correct |
51 |
Correct |
2 ms |
1664 KB |
Output is correct |
52 |
Correct |
2 ms |
1664 KB |
Output is correct |
53 |
Correct |
2 ms |
1664 KB |
Output is correct |
54 |
Correct |
2 ms |
1664 KB |
Output is correct |
55 |
Correct |
2 ms |
1664 KB |
Output is correct |
56 |
Correct |
2 ms |
1664 KB |
Output is correct |
57 |
Correct |
2 ms |
1664 KB |
Output is correct |
58 |
Correct |
2 ms |
1696 KB |
Output is correct |
59 |
Correct |
2 ms |
1664 KB |
Output is correct |
60 |
Correct |
2 ms |
1696 KB |
Output is correct |
61 |
Correct |
2 ms |
1664 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
256 KB |
Output is correct |
2 |
Correct |
0 ms |
384 KB |
Output is correct |
3 |
Correct |
0 ms |
384 KB |
Output is correct |
4 |
Correct |
0 ms |
384 KB |
Output is correct |
5 |
Correct |
1 ms |
384 KB |
Output is correct |
6 |
Correct |
0 ms |
384 KB |
Output is correct |
7 |
Correct |
1 ms |
384 KB |
Output is correct |
8 |
Correct |
1 ms |
384 KB |
Output is correct |
9 |
Correct |
1 ms |
384 KB |
Output is correct |
10 |
Correct |
0 ms |
384 KB |
Output is correct |
11 |
Correct |
1 ms |
384 KB |
Output is correct |
12 |
Correct |
0 ms |
384 KB |
Output is correct |
13 |
Correct |
0 ms |
384 KB |
Output is correct |
14 |
Correct |
1 ms |
384 KB |
Output is correct |
15 |
Correct |
1 ms |
384 KB |
Output is correct |
16 |
Correct |
0 ms |
384 KB |
Output is correct |
17 |
Correct |
1 ms |
512 KB |
Output is correct |
18 |
Correct |
1 ms |
512 KB |
Output is correct |
19 |
Correct |
1 ms |
512 KB |
Output is correct |
20 |
Correct |
1 ms |
512 KB |
Output is correct |
21 |
Correct |
1 ms |
512 KB |
Output is correct |
22 |
Correct |
1 ms |
512 KB |
Output is correct |
23 |
Correct |
1 ms |
512 KB |
Output is correct |
24 |
Correct |
1 ms |
512 KB |
Output is correct |
25 |
Correct |
1 ms |
512 KB |
Output is correct |
26 |
Correct |
1 ms |
512 KB |
Output is correct |
27 |
Correct |
1 ms |
512 KB |
Output is correct |
28 |
Correct |
1 ms |
512 KB |
Output is correct |
29 |
Correct |
1 ms |
512 KB |
Output is correct |
30 |
Correct |
1 ms |
512 KB |
Output is correct |
31 |
Correct |
1 ms |
512 KB |
Output is correct |
32 |
Correct |
1 ms |
512 KB |
Output is correct |
33 |
Correct |
1 ms |
512 KB |
Output is correct |
34 |
Correct |
1 ms |
512 KB |
Output is correct |
35 |
Correct |
1 ms |
512 KB |
Output is correct |
36 |
Correct |
1 ms |
512 KB |
Output is correct |
37 |
Correct |
1 ms |
512 KB |
Output is correct |
38 |
Correct |
1 ms |
512 KB |
Output is correct |
39 |
Correct |
1 ms |
1152 KB |
Output is correct |
40 |
Correct |
2 ms |
1664 KB |
Output is correct |
41 |
Correct |
2 ms |
1664 KB |
Output is correct |
42 |
Correct |
2 ms |
1664 KB |
Output is correct |
43 |
Correct |
2 ms |
1664 KB |
Output is correct |
44 |
Correct |
2 ms |
1664 KB |
Output is correct |
45 |
Correct |
2 ms |
1664 KB |
Output is correct |
46 |
Correct |
2 ms |
1664 KB |
Output is correct |
47 |
Correct |
2 ms |
1664 KB |
Output is correct |
48 |
Correct |
2 ms |
1664 KB |
Output is correct |
49 |
Correct |
2 ms |
1664 KB |
Output is correct |
50 |
Correct |
2 ms |
1664 KB |
Output is correct |
51 |
Correct |
2 ms |
1664 KB |
Output is correct |
52 |
Correct |
2 ms |
1664 KB |
Output is correct |
53 |
Correct |
2 ms |
1664 KB |
Output is correct |
54 |
Correct |
2 ms |
1664 KB |
Output is correct |
55 |
Correct |
2 ms |
1664 KB |
Output is correct |
56 |
Correct |
2 ms |
1664 KB |
Output is correct |
57 |
Correct |
2 ms |
1664 KB |
Output is correct |
58 |
Correct |
2 ms |
1696 KB |
Output is correct |
59 |
Correct |
2 ms |
1664 KB |
Output is correct |
60 |
Correct |
2 ms |
1696 KB |
Output is correct |
61 |
Correct |
2 ms |
1664 KB |
Output is correct |
62 |
Correct |
8 ms |
6272 KB |
Output is correct |
63 |
Correct |
35 ms |
14200 KB |
Output is correct |
64 |
Correct |
37 ms |
14200 KB |
Output is correct |
65 |
Correct |
35 ms |
14200 KB |
Output is correct |
66 |
Correct |
35 ms |
14200 KB |
Output is correct |
67 |
Correct |
35 ms |
14200 KB |
Output is correct |
68 |
Correct |
35 ms |
14200 KB |
Output is correct |
69 |
Correct |
38 ms |
14200 KB |
Output is correct |
70 |
Correct |
49 ms |
14328 KB |
Output is correct |
71 |
Correct |
39 ms |
14204 KB |
Output is correct |
72 |
Correct |
40 ms |
14200 KB |
Output is correct |
73 |
Correct |
39 ms |
14200 KB |
Output is correct |
74 |
Correct |
39 ms |
14200 KB |
Output is correct |
75 |
Correct |
39 ms |
14200 KB |
Output is correct |
76 |
Correct |
36 ms |
14200 KB |
Output is correct |
77 |
Correct |
43 ms |
14200 KB |
Output is correct |
78 |
Correct |
43 ms |
14200 KB |
Output is correct |
79 |
Correct |
44 ms |
14200 KB |
Output is correct |
80 |
Correct |
43 ms |
14200 KB |
Output is correct |
81 |
Correct |
43 ms |
14200 KB |
Output is correct |
82 |
Correct |
35 ms |
14200 KB |
Output is correct |
83 |
Correct |
37 ms |
14200 KB |
Output is correct |
84 |
Correct |
36 ms |
14200 KB |
Output is correct |
85 |
Correct |
36 ms |
14328 KB |
Output is correct |
86 |
Correct |
35 ms |
14200 KB |
Output is correct |