//In the name of God
//...
#include <iostream>
#include "mountains.h"
using namespace std;
const int N = 2016;
int n, x[N], y[N], dp[N][N];
long long rot(int a, int b, int c) { return 1ll * (x[b] - x[a]) * (y[c] - y[a]) - 1ll * (y[b] - y[a]) * (x[c] - x[a]); }
int maximum_deevs(vector<int> h) {
int n = h.size();
for (int i = 0; i < n; i++) {
x[i] = i;
y[i] = h[i];
}
for (int e = 1; e <= n; e++) {
dp[e][e] = dp[e - 1][e] = 1;
int ls = e - 1, res = 0;
for (int b = e - 2; b > 0; b--) {
if (rot(b - 1, ls - 1, e - 1) >= 0) { // b is seen
res += dp[b + 1][ls - 1];
ls = b;
}
dp[b][e] = max(dp[b][e - 1], 1 + res + dp[b][ls - 1]);
}
}
return dp[1][n];
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
248 KB |
Output is correct |
2 |
Correct |
1 ms |
352 KB |
Output is correct |
3 |
Correct |
1 ms |
404 KB |
Output is correct |
4 |
Correct |
1 ms |
404 KB |
Output is correct |
5 |
Correct |
2 ms |
404 KB |
Output is correct |
6 |
Correct |
1 ms |
460 KB |
Output is correct |
7 |
Correct |
2 ms |
460 KB |
Output is correct |
8 |
Correct |
2 ms |
508 KB |
Output is correct |
9 |
Correct |
2 ms |
604 KB |
Output is correct |
10 |
Correct |
2 ms |
604 KB |
Output is correct |
11 |
Correct |
1 ms |
604 KB |
Output is correct |
12 |
Correct |
2 ms |
604 KB |
Output is correct |
13 |
Correct |
1 ms |
604 KB |
Output is correct |
14 |
Correct |
2 ms |
676 KB |
Output is correct |
15 |
Correct |
1 ms |
676 KB |
Output is correct |
16 |
Correct |
1 ms |
676 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
248 KB |
Output is correct |
2 |
Correct |
1 ms |
352 KB |
Output is correct |
3 |
Correct |
1 ms |
404 KB |
Output is correct |
4 |
Correct |
1 ms |
404 KB |
Output is correct |
5 |
Correct |
2 ms |
404 KB |
Output is correct |
6 |
Correct |
1 ms |
460 KB |
Output is correct |
7 |
Correct |
2 ms |
460 KB |
Output is correct |
8 |
Correct |
2 ms |
508 KB |
Output is correct |
9 |
Correct |
2 ms |
604 KB |
Output is correct |
10 |
Correct |
2 ms |
604 KB |
Output is correct |
11 |
Correct |
1 ms |
604 KB |
Output is correct |
12 |
Correct |
2 ms |
604 KB |
Output is correct |
13 |
Correct |
1 ms |
604 KB |
Output is correct |
14 |
Correct |
2 ms |
676 KB |
Output is correct |
15 |
Correct |
1 ms |
676 KB |
Output is correct |
16 |
Correct |
1 ms |
676 KB |
Output is correct |
17 |
Correct |
2 ms |
732 KB |
Output is correct |
18 |
Correct |
3 ms |
732 KB |
Output is correct |
19 |
Correct |
2 ms |
732 KB |
Output is correct |
20 |
Correct |
1 ms |
732 KB |
Output is correct |
21 |
Correct |
2 ms |
732 KB |
Output is correct |
22 |
Correct |
2 ms |
732 KB |
Output is correct |
23 |
Correct |
2 ms |
732 KB |
Output is correct |
24 |
Correct |
2 ms |
732 KB |
Output is correct |
25 |
Correct |
1 ms |
748 KB |
Output is correct |
26 |
Correct |
1 ms |
748 KB |
Output is correct |
27 |
Correct |
1 ms |
748 KB |
Output is correct |
28 |
Correct |
2 ms |
748 KB |
Output is correct |
29 |
Correct |
1 ms |
748 KB |
Output is correct |
30 |
Correct |
1 ms |
748 KB |
Output is correct |
31 |
Correct |
1 ms |
748 KB |
Output is correct |
32 |
Correct |
2 ms |
748 KB |
Output is correct |
33 |
Correct |
2 ms |
748 KB |
Output is correct |
34 |
Correct |
1 ms |
748 KB |
Output is correct |
35 |
Correct |
2 ms |
748 KB |
Output is correct |
36 |
Correct |
2 ms |
748 KB |
Output is correct |
37 |
Correct |
2 ms |
748 KB |
Output is correct |
38 |
Correct |
2 ms |
748 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
248 KB |
Output is correct |
2 |
Correct |
1 ms |
352 KB |
Output is correct |
3 |
Correct |
1 ms |
404 KB |
Output is correct |
4 |
Correct |
1 ms |
404 KB |
Output is correct |
5 |
Correct |
2 ms |
404 KB |
Output is correct |
6 |
Correct |
1 ms |
460 KB |
Output is correct |
7 |
Correct |
2 ms |
460 KB |
Output is correct |
8 |
Correct |
2 ms |
508 KB |
Output is correct |
9 |
Correct |
2 ms |
604 KB |
Output is correct |
10 |
Correct |
2 ms |
604 KB |
Output is correct |
11 |
Correct |
1 ms |
604 KB |
Output is correct |
12 |
Correct |
2 ms |
604 KB |
Output is correct |
13 |
Correct |
1 ms |
604 KB |
Output is correct |
14 |
Correct |
2 ms |
676 KB |
Output is correct |
15 |
Correct |
1 ms |
676 KB |
Output is correct |
16 |
Correct |
1 ms |
676 KB |
Output is correct |
17 |
Correct |
2 ms |
732 KB |
Output is correct |
18 |
Correct |
3 ms |
732 KB |
Output is correct |
19 |
Correct |
2 ms |
732 KB |
Output is correct |
20 |
Correct |
1 ms |
732 KB |
Output is correct |
21 |
Correct |
2 ms |
732 KB |
Output is correct |
22 |
Correct |
2 ms |
732 KB |
Output is correct |
23 |
Correct |
2 ms |
732 KB |
Output is correct |
24 |
Correct |
2 ms |
732 KB |
Output is correct |
25 |
Correct |
1 ms |
748 KB |
Output is correct |
26 |
Correct |
1 ms |
748 KB |
Output is correct |
27 |
Correct |
1 ms |
748 KB |
Output is correct |
28 |
Correct |
2 ms |
748 KB |
Output is correct |
29 |
Correct |
1 ms |
748 KB |
Output is correct |
30 |
Correct |
1 ms |
748 KB |
Output is correct |
31 |
Correct |
1 ms |
748 KB |
Output is correct |
32 |
Correct |
2 ms |
748 KB |
Output is correct |
33 |
Correct |
2 ms |
748 KB |
Output is correct |
34 |
Correct |
1 ms |
748 KB |
Output is correct |
35 |
Correct |
2 ms |
748 KB |
Output is correct |
36 |
Correct |
2 ms |
748 KB |
Output is correct |
37 |
Correct |
2 ms |
748 KB |
Output is correct |
38 |
Correct |
2 ms |
748 KB |
Output is correct |
39 |
Correct |
3 ms |
1392 KB |
Output is correct |
40 |
Correct |
2 ms |
1900 KB |
Output is correct |
41 |
Correct |
3 ms |
1900 KB |
Output is correct |
42 |
Correct |
3 ms |
1900 KB |
Output is correct |
43 |
Correct |
3 ms |
1900 KB |
Output is correct |
44 |
Correct |
3 ms |
1900 KB |
Output is correct |
45 |
Correct |
3 ms |
1900 KB |
Output is correct |
46 |
Correct |
3 ms |
1900 KB |
Output is correct |
47 |
Correct |
3 ms |
1900 KB |
Output is correct |
48 |
Correct |
3 ms |
1900 KB |
Output is correct |
49 |
Correct |
3 ms |
1900 KB |
Output is correct |
50 |
Correct |
3 ms |
1900 KB |
Output is correct |
51 |
Correct |
3 ms |
1900 KB |
Output is correct |
52 |
Correct |
3 ms |
1932 KB |
Output is correct |
53 |
Correct |
3 ms |
1932 KB |
Output is correct |
54 |
Correct |
3 ms |
1932 KB |
Output is correct |
55 |
Correct |
3 ms |
1932 KB |
Output is correct |
56 |
Correct |
3 ms |
1932 KB |
Output is correct |
57 |
Correct |
2 ms |
1932 KB |
Output is correct |
58 |
Correct |
2 ms |
1932 KB |
Output is correct |
59 |
Correct |
3 ms |
1932 KB |
Output is correct |
60 |
Correct |
3 ms |
1932 KB |
Output is correct |
61 |
Correct |
3 ms |
1932 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
248 KB |
Output is correct |
2 |
Correct |
1 ms |
352 KB |
Output is correct |
3 |
Correct |
1 ms |
404 KB |
Output is correct |
4 |
Correct |
1 ms |
404 KB |
Output is correct |
5 |
Correct |
2 ms |
404 KB |
Output is correct |
6 |
Correct |
1 ms |
460 KB |
Output is correct |
7 |
Correct |
2 ms |
460 KB |
Output is correct |
8 |
Correct |
2 ms |
508 KB |
Output is correct |
9 |
Correct |
2 ms |
604 KB |
Output is correct |
10 |
Correct |
2 ms |
604 KB |
Output is correct |
11 |
Correct |
1 ms |
604 KB |
Output is correct |
12 |
Correct |
2 ms |
604 KB |
Output is correct |
13 |
Correct |
1 ms |
604 KB |
Output is correct |
14 |
Correct |
2 ms |
676 KB |
Output is correct |
15 |
Correct |
1 ms |
676 KB |
Output is correct |
16 |
Correct |
1 ms |
676 KB |
Output is correct |
17 |
Correct |
2 ms |
732 KB |
Output is correct |
18 |
Correct |
3 ms |
732 KB |
Output is correct |
19 |
Correct |
2 ms |
732 KB |
Output is correct |
20 |
Correct |
1 ms |
732 KB |
Output is correct |
21 |
Correct |
2 ms |
732 KB |
Output is correct |
22 |
Correct |
2 ms |
732 KB |
Output is correct |
23 |
Correct |
2 ms |
732 KB |
Output is correct |
24 |
Correct |
2 ms |
732 KB |
Output is correct |
25 |
Correct |
1 ms |
748 KB |
Output is correct |
26 |
Correct |
1 ms |
748 KB |
Output is correct |
27 |
Correct |
1 ms |
748 KB |
Output is correct |
28 |
Correct |
2 ms |
748 KB |
Output is correct |
29 |
Correct |
1 ms |
748 KB |
Output is correct |
30 |
Correct |
1 ms |
748 KB |
Output is correct |
31 |
Correct |
1 ms |
748 KB |
Output is correct |
32 |
Correct |
2 ms |
748 KB |
Output is correct |
33 |
Correct |
2 ms |
748 KB |
Output is correct |
34 |
Correct |
1 ms |
748 KB |
Output is correct |
35 |
Correct |
2 ms |
748 KB |
Output is correct |
36 |
Correct |
2 ms |
748 KB |
Output is correct |
37 |
Correct |
2 ms |
748 KB |
Output is correct |
38 |
Correct |
2 ms |
748 KB |
Output is correct |
39 |
Correct |
3 ms |
1392 KB |
Output is correct |
40 |
Correct |
2 ms |
1900 KB |
Output is correct |
41 |
Correct |
3 ms |
1900 KB |
Output is correct |
42 |
Correct |
3 ms |
1900 KB |
Output is correct |
43 |
Correct |
3 ms |
1900 KB |
Output is correct |
44 |
Correct |
3 ms |
1900 KB |
Output is correct |
45 |
Correct |
3 ms |
1900 KB |
Output is correct |
46 |
Correct |
3 ms |
1900 KB |
Output is correct |
47 |
Correct |
3 ms |
1900 KB |
Output is correct |
48 |
Correct |
3 ms |
1900 KB |
Output is correct |
49 |
Correct |
3 ms |
1900 KB |
Output is correct |
50 |
Correct |
3 ms |
1900 KB |
Output is correct |
51 |
Correct |
3 ms |
1900 KB |
Output is correct |
52 |
Correct |
3 ms |
1932 KB |
Output is correct |
53 |
Correct |
3 ms |
1932 KB |
Output is correct |
54 |
Correct |
3 ms |
1932 KB |
Output is correct |
55 |
Correct |
3 ms |
1932 KB |
Output is correct |
56 |
Correct |
3 ms |
1932 KB |
Output is correct |
57 |
Correct |
2 ms |
1932 KB |
Output is correct |
58 |
Correct |
2 ms |
1932 KB |
Output is correct |
59 |
Correct |
3 ms |
1932 KB |
Output is correct |
60 |
Correct |
3 ms |
1932 KB |
Output is correct |
61 |
Correct |
3 ms |
1932 KB |
Output is correct |
62 |
Correct |
13 ms |
6508 KB |
Output is correct |
63 |
Correct |
32 ms |
14472 KB |
Output is correct |
64 |
Correct |
28 ms |
14472 KB |
Output is correct |
65 |
Correct |
30 ms |
14472 KB |
Output is correct |
66 |
Correct |
28 ms |
14472 KB |
Output is correct |
67 |
Correct |
28 ms |
14472 KB |
Output is correct |
68 |
Correct |
28 ms |
14472 KB |
Output is correct |
69 |
Correct |
28 ms |
14472 KB |
Output is correct |
70 |
Correct |
33 ms |
14472 KB |
Output is correct |
71 |
Correct |
38 ms |
14504 KB |
Output is correct |
72 |
Correct |
32 ms |
14504 KB |
Output is correct |
73 |
Correct |
34 ms |
14504 KB |
Output is correct |
74 |
Correct |
35 ms |
14504 KB |
Output is correct |
75 |
Correct |
37 ms |
14504 KB |
Output is correct |
76 |
Correct |
30 ms |
14504 KB |
Output is correct |
77 |
Correct |
41 ms |
14504 KB |
Output is correct |
78 |
Correct |
41 ms |
14580 KB |
Output is correct |
79 |
Correct |
41 ms |
14580 KB |
Output is correct |
80 |
Correct |
42 ms |
14580 KB |
Output is correct |
81 |
Correct |
43 ms |
14580 KB |
Output is correct |
82 |
Correct |
28 ms |
14580 KB |
Output is correct |
83 |
Correct |
34 ms |
14580 KB |
Output is correct |
84 |
Correct |
31 ms |
14580 KB |
Output is correct |
85 |
Correct |
29 ms |
14580 KB |
Output is correct |
86 |
Correct |
30 ms |
14580 KB |
Output is correct |