#include <iostream>
#include <vector>
#include "mountains.h"
using namespace std;
#define ll long long
const int N = 2005;
struct Mountain{
ll x, y;
} v[N];
int dp[N][N];
long long infas(int a, int b, int c)
{
return (v[b].x - v[a].x) * (v[c].y - v[a].y) >= (v[b].y - v[a].y) * (v[c].x - v[a].x);
}
int maximum_deevs(vector<int> h)
{
int n = h.size(), i, j;
for (i = 1; i <= n; i++)
{
v[i].x = i - 1;
v[i].y = h[i - 1];
}
for (i = 1; i <= n; i++)
{
dp[i][i] = dp[i - 1][i] = 1;
int lstseen = i - 1, cnt = 0;
for (j = i - 2; 1 <= j; j--)
{
if (infas(j, lstseen, i))
{
cnt += dp[j + 1][lstseen - 1];
lstseen = j;
}
dp[j][i] = max(dp[j][i - 1], 1 + cnt + dp[j][lstseen - 1]);
}
}
return dp[1][n];
}/*
int main()
{
int n;
cin >> n;
vector <int> h(n);
for (int i = 0; i < n; i++)
cin >> h[i];
cout << maximum_deevs(h);
return 0;
}*/
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
204 KB |
Output is correct |
| 2 |
Correct |
1 ms |
204 KB |
Output is correct |
| 3 |
Correct |
1 ms |
304 KB |
Output is correct |
| 4 |
Correct |
1 ms |
332 KB |
Output is correct |
| 5 |
Correct |
1 ms |
304 KB |
Output is correct |
| 6 |
Correct |
1 ms |
300 KB |
Output is correct |
| 7 |
Correct |
1 ms |
332 KB |
Output is correct |
| 8 |
Correct |
1 ms |
332 KB |
Output is correct |
| 9 |
Correct |
1 ms |
332 KB |
Output is correct |
| 10 |
Correct |
1 ms |
332 KB |
Output is correct |
| 11 |
Correct |
1 ms |
296 KB |
Output is correct |
| 12 |
Correct |
1 ms |
332 KB |
Output is correct |
| 13 |
Correct |
1 ms |
332 KB |
Output is correct |
| 14 |
Correct |
1 ms |
332 KB |
Output is correct |
| 15 |
Correct |
1 ms |
300 KB |
Output is correct |
| 16 |
Correct |
1 ms |
304 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
204 KB |
Output is correct |
| 2 |
Correct |
1 ms |
204 KB |
Output is correct |
| 3 |
Correct |
1 ms |
304 KB |
Output is correct |
| 4 |
Correct |
1 ms |
332 KB |
Output is correct |
| 5 |
Correct |
1 ms |
304 KB |
Output is correct |
| 6 |
Correct |
1 ms |
300 KB |
Output is correct |
| 7 |
Correct |
1 ms |
332 KB |
Output is correct |
| 8 |
Correct |
1 ms |
332 KB |
Output is correct |
| 9 |
Correct |
1 ms |
332 KB |
Output is correct |
| 10 |
Correct |
1 ms |
332 KB |
Output is correct |
| 11 |
Correct |
1 ms |
296 KB |
Output is correct |
| 12 |
Correct |
1 ms |
332 KB |
Output is correct |
| 13 |
Correct |
1 ms |
332 KB |
Output is correct |
| 14 |
Correct |
1 ms |
332 KB |
Output is correct |
| 15 |
Correct |
1 ms |
300 KB |
Output is correct |
| 16 |
Correct |
1 ms |
304 KB |
Output is correct |
| 17 |
Correct |
1 ms |
460 KB |
Output is correct |
| 18 |
Correct |
1 ms |
460 KB |
Output is correct |
| 19 |
Correct |
1 ms |
460 KB |
Output is correct |
| 20 |
Correct |
1 ms |
460 KB |
Output is correct |
| 21 |
Correct |
1 ms |
460 KB |
Output is correct |
| 22 |
Correct |
1 ms |
460 KB |
Output is correct |
| 23 |
Correct |
1 ms |
460 KB |
Output is correct |
| 24 |
Correct |
1 ms |
460 KB |
Output is correct |
| 25 |
Correct |
1 ms |
460 KB |
Output is correct |
| 26 |
Correct |
1 ms |
428 KB |
Output is correct |
| 27 |
Correct |
1 ms |
460 KB |
Output is correct |
| 28 |
Correct |
1 ms |
460 KB |
Output is correct |
| 29 |
Correct |
1 ms |
460 KB |
Output is correct |
| 30 |
Correct |
1 ms |
460 KB |
Output is correct |
| 31 |
Correct |
1 ms |
460 KB |
Output is correct |
| 32 |
Correct |
1 ms |
428 KB |
Output is correct |
| 33 |
Correct |
1 ms |
460 KB |
Output is correct |
| 34 |
Correct |
1 ms |
460 KB |
Output is correct |
| 35 |
Correct |
1 ms |
424 KB |
Output is correct |
| 36 |
Correct |
1 ms |
460 KB |
Output is correct |
| 37 |
Correct |
1 ms |
460 KB |
Output is correct |
| 38 |
Correct |
1 ms |
460 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
204 KB |
Output is correct |
| 2 |
Correct |
1 ms |
204 KB |
Output is correct |
| 3 |
Correct |
1 ms |
304 KB |
Output is correct |
| 4 |
Correct |
1 ms |
332 KB |
Output is correct |
| 5 |
Correct |
1 ms |
304 KB |
Output is correct |
| 6 |
Correct |
1 ms |
300 KB |
Output is correct |
| 7 |
Correct |
1 ms |
332 KB |
Output is correct |
| 8 |
Correct |
1 ms |
332 KB |
Output is correct |
| 9 |
Correct |
1 ms |
332 KB |
Output is correct |
| 10 |
Correct |
1 ms |
332 KB |
Output is correct |
| 11 |
Correct |
1 ms |
296 KB |
Output is correct |
| 12 |
Correct |
1 ms |
332 KB |
Output is correct |
| 13 |
Correct |
1 ms |
332 KB |
Output is correct |
| 14 |
Correct |
1 ms |
332 KB |
Output is correct |
| 15 |
Correct |
1 ms |
300 KB |
Output is correct |
| 16 |
Correct |
1 ms |
304 KB |
Output is correct |
| 17 |
Correct |
1 ms |
460 KB |
Output is correct |
| 18 |
Correct |
1 ms |
460 KB |
Output is correct |
| 19 |
Correct |
1 ms |
460 KB |
Output is correct |
| 20 |
Correct |
1 ms |
460 KB |
Output is correct |
| 21 |
Correct |
1 ms |
460 KB |
Output is correct |
| 22 |
Correct |
1 ms |
460 KB |
Output is correct |
| 23 |
Correct |
1 ms |
460 KB |
Output is correct |
| 24 |
Correct |
1 ms |
460 KB |
Output is correct |
| 25 |
Correct |
1 ms |
460 KB |
Output is correct |
| 26 |
Correct |
1 ms |
428 KB |
Output is correct |
| 27 |
Correct |
1 ms |
460 KB |
Output is correct |
| 28 |
Correct |
1 ms |
460 KB |
Output is correct |
| 29 |
Correct |
1 ms |
460 KB |
Output is correct |
| 30 |
Correct |
1 ms |
460 KB |
Output is correct |
| 31 |
Correct |
1 ms |
460 KB |
Output is correct |
| 32 |
Correct |
1 ms |
428 KB |
Output is correct |
| 33 |
Correct |
1 ms |
460 KB |
Output is correct |
| 34 |
Correct |
1 ms |
460 KB |
Output is correct |
| 35 |
Correct |
1 ms |
424 KB |
Output is correct |
| 36 |
Correct |
1 ms |
460 KB |
Output is correct |
| 37 |
Correct |
1 ms |
460 KB |
Output is correct |
| 38 |
Correct |
1 ms |
460 KB |
Output is correct |
| 39 |
Correct |
1 ms |
1192 KB |
Output is correct |
| 40 |
Correct |
2 ms |
1612 KB |
Output is correct |
| 41 |
Correct |
2 ms |
1612 KB |
Output is correct |
| 42 |
Correct |
2 ms |
1612 KB |
Output is correct |
| 43 |
Correct |
2 ms |
1612 KB |
Output is correct |
| 44 |
Correct |
2 ms |
1580 KB |
Output is correct |
| 45 |
Correct |
2 ms |
1612 KB |
Output is correct |
| 46 |
Correct |
2 ms |
1612 KB |
Output is correct |
| 47 |
Correct |
2 ms |
1612 KB |
Output is correct |
| 48 |
Correct |
2 ms |
1612 KB |
Output is correct |
| 49 |
Correct |
2 ms |
1612 KB |
Output is correct |
| 50 |
Correct |
2 ms |
1580 KB |
Output is correct |
| 51 |
Correct |
2 ms |
1612 KB |
Output is correct |
| 52 |
Correct |
3 ms |
1560 KB |
Output is correct |
| 53 |
Correct |
2 ms |
1612 KB |
Output is correct |
| 54 |
Correct |
2 ms |
1612 KB |
Output is correct |
| 55 |
Correct |
2 ms |
1612 KB |
Output is correct |
| 56 |
Correct |
2 ms |
1612 KB |
Output is correct |
| 57 |
Correct |
2 ms |
1584 KB |
Output is correct |
| 58 |
Correct |
2 ms |
1612 KB |
Output is correct |
| 59 |
Correct |
2 ms |
1612 KB |
Output is correct |
| 60 |
Correct |
2 ms |
1584 KB |
Output is correct |
| 61 |
Correct |
2 ms |
1612 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
204 KB |
Output is correct |
| 2 |
Correct |
1 ms |
204 KB |
Output is correct |
| 3 |
Correct |
1 ms |
304 KB |
Output is correct |
| 4 |
Correct |
1 ms |
332 KB |
Output is correct |
| 5 |
Correct |
1 ms |
304 KB |
Output is correct |
| 6 |
Correct |
1 ms |
300 KB |
Output is correct |
| 7 |
Correct |
1 ms |
332 KB |
Output is correct |
| 8 |
Correct |
1 ms |
332 KB |
Output is correct |
| 9 |
Correct |
1 ms |
332 KB |
Output is correct |
| 10 |
Correct |
1 ms |
332 KB |
Output is correct |
| 11 |
Correct |
1 ms |
296 KB |
Output is correct |
| 12 |
Correct |
1 ms |
332 KB |
Output is correct |
| 13 |
Correct |
1 ms |
332 KB |
Output is correct |
| 14 |
Correct |
1 ms |
332 KB |
Output is correct |
| 15 |
Correct |
1 ms |
300 KB |
Output is correct |
| 16 |
Correct |
1 ms |
304 KB |
Output is correct |
| 17 |
Correct |
1 ms |
460 KB |
Output is correct |
| 18 |
Correct |
1 ms |
460 KB |
Output is correct |
| 19 |
Correct |
1 ms |
460 KB |
Output is correct |
| 20 |
Correct |
1 ms |
460 KB |
Output is correct |
| 21 |
Correct |
1 ms |
460 KB |
Output is correct |
| 22 |
Correct |
1 ms |
460 KB |
Output is correct |
| 23 |
Correct |
1 ms |
460 KB |
Output is correct |
| 24 |
Correct |
1 ms |
460 KB |
Output is correct |
| 25 |
Correct |
1 ms |
460 KB |
Output is correct |
| 26 |
Correct |
1 ms |
428 KB |
Output is correct |
| 27 |
Correct |
1 ms |
460 KB |
Output is correct |
| 28 |
Correct |
1 ms |
460 KB |
Output is correct |
| 29 |
Correct |
1 ms |
460 KB |
Output is correct |
| 30 |
Correct |
1 ms |
460 KB |
Output is correct |
| 31 |
Correct |
1 ms |
460 KB |
Output is correct |
| 32 |
Correct |
1 ms |
428 KB |
Output is correct |
| 33 |
Correct |
1 ms |
460 KB |
Output is correct |
| 34 |
Correct |
1 ms |
460 KB |
Output is correct |
| 35 |
Correct |
1 ms |
424 KB |
Output is correct |
| 36 |
Correct |
1 ms |
460 KB |
Output is correct |
| 37 |
Correct |
1 ms |
460 KB |
Output is correct |
| 38 |
Correct |
1 ms |
460 KB |
Output is correct |
| 39 |
Correct |
1 ms |
1192 KB |
Output is correct |
| 40 |
Correct |
2 ms |
1612 KB |
Output is correct |
| 41 |
Correct |
2 ms |
1612 KB |
Output is correct |
| 42 |
Correct |
2 ms |
1612 KB |
Output is correct |
| 43 |
Correct |
2 ms |
1612 KB |
Output is correct |
| 44 |
Correct |
2 ms |
1580 KB |
Output is correct |
| 45 |
Correct |
2 ms |
1612 KB |
Output is correct |
| 46 |
Correct |
2 ms |
1612 KB |
Output is correct |
| 47 |
Correct |
2 ms |
1612 KB |
Output is correct |
| 48 |
Correct |
2 ms |
1612 KB |
Output is correct |
| 49 |
Correct |
2 ms |
1612 KB |
Output is correct |
| 50 |
Correct |
2 ms |
1580 KB |
Output is correct |
| 51 |
Correct |
2 ms |
1612 KB |
Output is correct |
| 52 |
Correct |
3 ms |
1560 KB |
Output is correct |
| 53 |
Correct |
2 ms |
1612 KB |
Output is correct |
| 54 |
Correct |
2 ms |
1612 KB |
Output is correct |
| 55 |
Correct |
2 ms |
1612 KB |
Output is correct |
| 56 |
Correct |
2 ms |
1612 KB |
Output is correct |
| 57 |
Correct |
2 ms |
1584 KB |
Output is correct |
| 58 |
Correct |
2 ms |
1612 KB |
Output is correct |
| 59 |
Correct |
2 ms |
1612 KB |
Output is correct |
| 60 |
Correct |
2 ms |
1584 KB |
Output is correct |
| 61 |
Correct |
2 ms |
1612 KB |
Output is correct |
| 62 |
Correct |
6 ms |
6220 KB |
Output is correct |
| 63 |
Correct |
26 ms |
14056 KB |
Output is correct |
| 64 |
Correct |
25 ms |
14144 KB |
Output is correct |
| 65 |
Correct |
27 ms |
14060 KB |
Output is correct |
| 66 |
Correct |
27 ms |
14064 KB |
Output is correct |
| 67 |
Correct |
26 ms |
14148 KB |
Output is correct |
| 68 |
Correct |
26 ms |
14144 KB |
Output is correct |
| 69 |
Correct |
26 ms |
14112 KB |
Output is correct |
| 70 |
Correct |
33 ms |
14164 KB |
Output is correct |
| 71 |
Correct |
31 ms |
14072 KB |
Output is correct |
| 72 |
Correct |
31 ms |
14048 KB |
Output is correct |
| 73 |
Correct |
31 ms |
14104 KB |
Output is correct |
| 74 |
Correct |
31 ms |
14124 KB |
Output is correct |
| 75 |
Correct |
31 ms |
14068 KB |
Output is correct |
| 76 |
Correct |
27 ms |
14028 KB |
Output is correct |
| 77 |
Correct |
38 ms |
14124 KB |
Output is correct |
| 78 |
Correct |
37 ms |
14048 KB |
Output is correct |
| 79 |
Correct |
37 ms |
14120 KB |
Output is correct |
| 80 |
Correct |
36 ms |
14124 KB |
Output is correct |
| 81 |
Correct |
38 ms |
14048 KB |
Output is correct |
| 82 |
Correct |
25 ms |
14076 KB |
Output is correct |
| 83 |
Correct |
27 ms |
14092 KB |
Output is correct |
| 84 |
Correct |
27 ms |
14116 KB |
Output is correct |
| 85 |
Correct |
25 ms |
14112 KB |
Output is correct |
| 86 |
Correct |
25 ms |
14100 KB |
Output is correct |
