#include <iostream>
#include "mountains.h"
#define x first
#define y second
using namespace std;
typedef pair<long long, long long> point;
const int MAX = 2005;
int dp[MAX][MAX];
point p[MAX];
long long ccw(point a, point b, point c)
{
return (b.x - a.x) * (c.y - a.y) - (b.y - a.y) * (c.x - a.x);
}
int maximum_deevs(vector<int> y)
{
int n = y.size();
for (int i = 0; i < n; i++)
{
p[i].y = y[i];
p[i].x = i;
}
for (int r = 1; r <= n; r++)
{
int sum = 0, last = r - 1;
point bn(p[r - 1].x, p[r - 1].y);
dp[r - 1][r] = 1;
for (int l = r - 2; l >= 0; l--)
{
dp[l][r] = dp[l][r - 1];
if (ccw(p[l], bn, p[r - 1]) >= 0)
{
sum += dp[l + 1][last];
last = l;
bn = p[l];
}
dp[l][r] = max(dp[l][r], 1 + sum + dp[l][last]);
}
}
return dp[0][n];
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
376 KB |
Output is correct |
| 2 |
Correct |
2 ms |
256 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 |
376 KB |
Output is correct |
| 7 |
Correct |
2 ms |
376 KB |
Output is correct |
| 8 |
Correct |
2 ms |
376 KB |
Output is correct |
| 9 |
Correct |
2 ms |
376 KB |
Output is correct |
| 10 |
Correct |
2 ms |
376 KB |
Output is correct |
| 11 |
Correct |
2 ms |
376 KB |
Output is correct |
| 12 |
Correct |
2 ms |
376 KB |
Output is correct |
| 13 |
Correct |
2 ms |
376 KB |
Output is correct |
| 14 |
Correct |
2 ms |
380 KB |
Output is correct |
| 15 |
Correct |
2 ms |
376 KB |
Output is correct |
| 16 |
Correct |
2 ms |
376 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
376 KB |
Output is correct |
| 2 |
Correct |
2 ms |
256 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 |
376 KB |
Output is correct |
| 7 |
Correct |
2 ms |
376 KB |
Output is correct |
| 8 |
Correct |
2 ms |
376 KB |
Output is correct |
| 9 |
Correct |
2 ms |
376 KB |
Output is correct |
| 10 |
Correct |
2 ms |
376 KB |
Output is correct |
| 11 |
Correct |
2 ms |
376 KB |
Output is correct |
| 12 |
Correct |
2 ms |
376 KB |
Output is correct |
| 13 |
Correct |
2 ms |
376 KB |
Output is correct |
| 14 |
Correct |
2 ms |
380 KB |
Output is correct |
| 15 |
Correct |
2 ms |
376 KB |
Output is correct |
| 16 |
Correct |
2 ms |
376 KB |
Output is correct |
| 17 |
Correct |
2 ms |
504 KB |
Output is correct |
| 18 |
Correct |
2 ms |
504 KB |
Output is correct |
| 19 |
Correct |
3 ms |
504 KB |
Output is correct |
| 20 |
Correct |
2 ms |
504 KB |
Output is correct |
| 21 |
Correct |
3 ms |
504 KB |
Output is correct |
| 22 |
Correct |
3 ms |
504 KB |
Output is correct |
| 23 |
Correct |
2 ms |
504 KB |
Output is correct |
| 24 |
Correct |
3 ms |
504 KB |
Output is correct |
| 25 |
Correct |
2 ms |
504 KB |
Output is correct |
| 26 |
Correct |
2 ms |
504 KB |
Output is correct |
| 27 |
Correct |
2 ms |
504 KB |
Output is correct |
| 28 |
Correct |
2 ms |
504 KB |
Output is correct |
| 29 |
Correct |
2 ms |
504 KB |
Output is correct |
| 30 |
Correct |
2 ms |
504 KB |
Output is correct |
| 31 |
Correct |
2 ms |
504 KB |
Output is correct |
| 32 |
Correct |
2 ms |
504 KB |
Output is correct |
| 33 |
Correct |
2 ms |
504 KB |
Output is correct |
| 34 |
Correct |
2 ms |
504 KB |
Output is correct |
| 35 |
Correct |
2 ms |
504 KB |
Output is correct |
| 36 |
Correct |
2 ms |
504 KB |
Output is correct |
| 37 |
Correct |
2 ms |
504 KB |
Output is correct |
| 38 |
Correct |
2 ms |
504 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
376 KB |
Output is correct |
| 2 |
Correct |
2 ms |
256 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 |
376 KB |
Output is correct |
| 7 |
Correct |
2 ms |
376 KB |
Output is correct |
| 8 |
Correct |
2 ms |
376 KB |
Output is correct |
| 9 |
Correct |
2 ms |
376 KB |
Output is correct |
| 10 |
Correct |
2 ms |
376 KB |
Output is correct |
| 11 |
Correct |
2 ms |
376 KB |
Output is correct |
| 12 |
Correct |
2 ms |
376 KB |
Output is correct |
| 13 |
Correct |
2 ms |
376 KB |
Output is correct |
| 14 |
Correct |
2 ms |
380 KB |
Output is correct |
| 15 |
Correct |
2 ms |
376 KB |
Output is correct |
| 16 |
Correct |
2 ms |
376 KB |
Output is correct |
| 17 |
Correct |
2 ms |
504 KB |
Output is correct |
| 18 |
Correct |
2 ms |
504 KB |
Output is correct |
| 19 |
Correct |
3 ms |
504 KB |
Output is correct |
| 20 |
Correct |
2 ms |
504 KB |
Output is correct |
| 21 |
Correct |
3 ms |
504 KB |
Output is correct |
| 22 |
Correct |
3 ms |
504 KB |
Output is correct |
| 23 |
Correct |
2 ms |
504 KB |
Output is correct |
| 24 |
Correct |
3 ms |
504 KB |
Output is correct |
| 25 |
Correct |
2 ms |
504 KB |
Output is correct |
| 26 |
Correct |
2 ms |
504 KB |
Output is correct |
| 27 |
Correct |
2 ms |
504 KB |
Output is correct |
| 28 |
Correct |
2 ms |
504 KB |
Output is correct |
| 29 |
Correct |
2 ms |
504 KB |
Output is correct |
| 30 |
Correct |
2 ms |
504 KB |
Output is correct |
| 31 |
Correct |
2 ms |
504 KB |
Output is correct |
| 32 |
Correct |
2 ms |
504 KB |
Output is correct |
| 33 |
Correct |
2 ms |
504 KB |
Output is correct |
| 34 |
Correct |
2 ms |
504 KB |
Output is correct |
| 35 |
Correct |
2 ms |
504 KB |
Output is correct |
| 36 |
Correct |
2 ms |
504 KB |
Output is correct |
| 37 |
Correct |
2 ms |
504 KB |
Output is correct |
| 38 |
Correct |
2 ms |
504 KB |
Output is correct |
| 39 |
Correct |
3 ms |
1144 KB |
Output is correct |
| 40 |
Correct |
3 ms |
1656 KB |
Output is correct |
| 41 |
Correct |
4 ms |
1656 KB |
Output is correct |
| 42 |
Correct |
3 ms |
1656 KB |
Output is correct |
| 43 |
Correct |
3 ms |
1656 KB |
Output is correct |
| 44 |
Correct |
3 ms |
1656 KB |
Output is correct |
| 45 |
Correct |
3 ms |
1656 KB |
Output is correct |
| 46 |
Correct |
3 ms |
1656 KB |
Output is correct |
| 47 |
Correct |
3 ms |
1656 KB |
Output is correct |
| 48 |
Correct |
3 ms |
1656 KB |
Output is correct |
| 49 |
Correct |
3 ms |
1656 KB |
Output is correct |
| 50 |
Correct |
3 ms |
1656 KB |
Output is correct |
| 51 |
Correct |
3 ms |
1656 KB |
Output is correct |
| 52 |
Correct |
3 ms |
1656 KB |
Output is correct |
| 53 |
Correct |
3 ms |
1656 KB |
Output is correct |
| 54 |
Correct |
3 ms |
1656 KB |
Output is correct |
| 55 |
Correct |
3 ms |
1656 KB |
Output is correct |
| 56 |
Correct |
3 ms |
1656 KB |
Output is correct |
| 57 |
Correct |
3 ms |
1656 KB |
Output is correct |
| 58 |
Correct |
3 ms |
1656 KB |
Output is correct |
| 59 |
Correct |
3 ms |
1656 KB |
Output is correct |
| 60 |
Correct |
3 ms |
1656 KB |
Output is correct |
| 61 |
Correct |
3 ms |
1656 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
376 KB |
Output is correct |
| 2 |
Correct |
2 ms |
256 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 |
376 KB |
Output is correct |
| 7 |
Correct |
2 ms |
376 KB |
Output is correct |
| 8 |
Correct |
2 ms |
376 KB |
Output is correct |
| 9 |
Correct |
2 ms |
376 KB |
Output is correct |
| 10 |
Correct |
2 ms |
376 KB |
Output is correct |
| 11 |
Correct |
2 ms |
376 KB |
Output is correct |
| 12 |
Correct |
2 ms |
376 KB |
Output is correct |
| 13 |
Correct |
2 ms |
376 KB |
Output is correct |
| 14 |
Correct |
2 ms |
380 KB |
Output is correct |
| 15 |
Correct |
2 ms |
376 KB |
Output is correct |
| 16 |
Correct |
2 ms |
376 KB |
Output is correct |
| 17 |
Correct |
2 ms |
504 KB |
Output is correct |
| 18 |
Correct |
2 ms |
504 KB |
Output is correct |
| 19 |
Correct |
3 ms |
504 KB |
Output is correct |
| 20 |
Correct |
2 ms |
504 KB |
Output is correct |
| 21 |
Correct |
3 ms |
504 KB |
Output is correct |
| 22 |
Correct |
3 ms |
504 KB |
Output is correct |
| 23 |
Correct |
2 ms |
504 KB |
Output is correct |
| 24 |
Correct |
3 ms |
504 KB |
Output is correct |
| 25 |
Correct |
2 ms |
504 KB |
Output is correct |
| 26 |
Correct |
2 ms |
504 KB |
Output is correct |
| 27 |
Correct |
2 ms |
504 KB |
Output is correct |
| 28 |
Correct |
2 ms |
504 KB |
Output is correct |
| 29 |
Correct |
2 ms |
504 KB |
Output is correct |
| 30 |
Correct |
2 ms |
504 KB |
Output is correct |
| 31 |
Correct |
2 ms |
504 KB |
Output is correct |
| 32 |
Correct |
2 ms |
504 KB |
Output is correct |
| 33 |
Correct |
2 ms |
504 KB |
Output is correct |
| 34 |
Correct |
2 ms |
504 KB |
Output is correct |
| 35 |
Correct |
2 ms |
504 KB |
Output is correct |
| 36 |
Correct |
2 ms |
504 KB |
Output is correct |
| 37 |
Correct |
2 ms |
504 KB |
Output is correct |
| 38 |
Correct |
2 ms |
504 KB |
Output is correct |
| 39 |
Correct |
3 ms |
1144 KB |
Output is correct |
| 40 |
Correct |
3 ms |
1656 KB |
Output is correct |
| 41 |
Correct |
4 ms |
1656 KB |
Output is correct |
| 42 |
Correct |
3 ms |
1656 KB |
Output is correct |
| 43 |
Correct |
3 ms |
1656 KB |
Output is correct |
| 44 |
Correct |
3 ms |
1656 KB |
Output is correct |
| 45 |
Correct |
3 ms |
1656 KB |
Output is correct |
| 46 |
Correct |
3 ms |
1656 KB |
Output is correct |
| 47 |
Correct |
3 ms |
1656 KB |
Output is correct |
| 48 |
Correct |
3 ms |
1656 KB |
Output is correct |
| 49 |
Correct |
3 ms |
1656 KB |
Output is correct |
| 50 |
Correct |
3 ms |
1656 KB |
Output is correct |
| 51 |
Correct |
3 ms |
1656 KB |
Output is correct |
| 52 |
Correct |
3 ms |
1656 KB |
Output is correct |
| 53 |
Correct |
3 ms |
1656 KB |
Output is correct |
| 54 |
Correct |
3 ms |
1656 KB |
Output is correct |
| 55 |
Correct |
3 ms |
1656 KB |
Output is correct |
| 56 |
Correct |
3 ms |
1656 KB |
Output is correct |
| 57 |
Correct |
3 ms |
1656 KB |
Output is correct |
| 58 |
Correct |
3 ms |
1656 KB |
Output is correct |
| 59 |
Correct |
3 ms |
1656 KB |
Output is correct |
| 60 |
Correct |
3 ms |
1656 KB |
Output is correct |
| 61 |
Correct |
3 ms |
1656 KB |
Output is correct |
| 62 |
Correct |
9 ms |
6264 KB |
Output is correct |
| 63 |
Correct |
27 ms |
14200 KB |
Output is correct |
| 64 |
Correct |
27 ms |
14200 KB |
Output is correct |
| 65 |
Correct |
27 ms |
14212 KB |
Output is correct |
| 66 |
Correct |
28 ms |
14200 KB |
Output is correct |
| 67 |
Correct |
28 ms |
14332 KB |
Output is correct |
| 68 |
Correct |
28 ms |
14200 KB |
Output is correct |
| 69 |
Correct |
28 ms |
14200 KB |
Output is correct |
| 70 |
Correct |
32 ms |
14328 KB |
Output is correct |
| 71 |
Correct |
32 ms |
14328 KB |
Output is correct |
| 72 |
Correct |
32 ms |
14200 KB |
Output is correct |
| 73 |
Correct |
33 ms |
14200 KB |
Output is correct |
| 74 |
Correct |
34 ms |
14200 KB |
Output is correct |
| 75 |
Correct |
32 ms |
14200 KB |
Output is correct |
| 76 |
Correct |
28 ms |
14200 KB |
Output is correct |
| 77 |
Correct |
37 ms |
14200 KB |
Output is correct |
| 78 |
Correct |
39 ms |
14124 KB |
Output is correct |
| 79 |
Correct |
44 ms |
14200 KB |
Output is correct |
| 80 |
Correct |
37 ms |
14200 KB |
Output is correct |
| 81 |
Correct |
37 ms |
14200 KB |
Output is correct |
| 82 |
Correct |
25 ms |
14200 KB |
Output is correct |
| 83 |
Correct |
27 ms |
14200 KB |
Output is correct |
| 84 |
Correct |
28 ms |
14200 KB |
Output is correct |
| 85 |
Correct |
26 ms |
14200 KB |
Output is correct |
| 86 |
Correct |
26 ms |
14200 KB |
Output is correct |
