#include <bits/stdc++.h>
#include "mountains.h"
using namespace std;
constexpr int MAX = 2000;
int dp[MAX][MAX];
bool CanSee(int a, int b, int c, vector<int>& y) {
return (long long)(y[c] - y[a]) * (b - a) >= (long long)(y[b] - y[a]) * (c - a);
}
int maximum_deevs(vector<int> y) {
int n = y.size();
for (int i = 0; i < n; i++) {
dp[i][i] = 1;
int la = i, add = 1;
for (int j = i - 1; j >= 0; j--)
if (la == i || CanSee(j, la, i, y)) {
add += dp[j + 1][la - 1];
la = j;
dp[j][i] = max(dp[j][i - 1], add);
} else
dp[j][i] = max(dp[j][i - 1], dp[j][la - 1] + add);
}
// for (int i = 0; i < n; i++) {for (int j = 0; j <= i; j++) printf("%d ", dp[j][i]); puts("");}
return dp[0][n - 1];
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
256 KB |
Output is correct |
| 2 |
Correct |
2 ms |
256 KB |
Output is correct |
| 3 |
Correct |
2 ms |
256 KB |
Output is correct |
| 4 |
Correct |
2 ms |
376 KB |
Output is correct |
| 5 |
Correct |
2 ms |
364 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 |
364 KB |
Output is correct |
| 13 |
Correct |
2 ms |
376 KB |
Output is correct |
| 14 |
Correct |
2 ms |
376 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 |
256 KB |
Output is correct |
| 2 |
Correct |
2 ms |
256 KB |
Output is correct |
| 3 |
Correct |
2 ms |
256 KB |
Output is correct |
| 4 |
Correct |
2 ms |
376 KB |
Output is correct |
| 5 |
Correct |
2 ms |
364 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 |
364 KB |
Output is correct |
| 13 |
Correct |
2 ms |
376 KB |
Output is correct |
| 14 |
Correct |
2 ms |
376 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 |
2 ms |
504 KB |
Output is correct |
| 20 |
Correct |
2 ms |
504 KB |
Output is correct |
| 21 |
Correct |
2 ms |
504 KB |
Output is correct |
| 22 |
Correct |
2 ms |
504 KB |
Output is correct |
| 23 |
Correct |
2 ms |
504 KB |
Output is correct |
| 24 |
Correct |
4 ms |
504 KB |
Output is correct |
| 25 |
Correct |
3 ms |
504 KB |
Output is correct |
| 26 |
Correct |
3 ms |
508 KB |
Output is correct |
| 27 |
Correct |
3 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 |
256 KB |
Output is correct |
| 2 |
Correct |
2 ms |
256 KB |
Output is correct |
| 3 |
Correct |
2 ms |
256 KB |
Output is correct |
| 4 |
Correct |
2 ms |
376 KB |
Output is correct |
| 5 |
Correct |
2 ms |
364 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 |
364 KB |
Output is correct |
| 13 |
Correct |
2 ms |
376 KB |
Output is correct |
| 14 |
Correct |
2 ms |
376 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 |
2 ms |
504 KB |
Output is correct |
| 20 |
Correct |
2 ms |
504 KB |
Output is correct |
| 21 |
Correct |
2 ms |
504 KB |
Output is correct |
| 22 |
Correct |
2 ms |
504 KB |
Output is correct |
| 23 |
Correct |
2 ms |
504 KB |
Output is correct |
| 24 |
Correct |
4 ms |
504 KB |
Output is correct |
| 25 |
Correct |
3 ms |
504 KB |
Output is correct |
| 26 |
Correct |
3 ms |
508 KB |
Output is correct |
| 27 |
Correct |
3 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 |
3 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 |
1640 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 |
1784 KB |
Output is correct |
| 50 |
Correct |
3 ms |
1784 KB |
Output is correct |
| 51 |
Correct |
3 ms |
1660 KB |
Output is correct |
| 52 |
Correct |
3 ms |
1656 KB |
Output is correct |
| 53 |
Correct |
3 ms |
1784 KB |
Output is correct |
| 54 |
Correct |
3 ms |
1784 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 |
1784 KB |
Output is correct |
| 58 |
Correct |
3 ms |
1656 KB |
Output is correct |
| 59 |
Correct |
3 ms |
1784 KB |
Output is correct |
| 60 |
Correct |
4 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 |
256 KB |
Output is correct |
| 2 |
Correct |
2 ms |
256 KB |
Output is correct |
| 3 |
Correct |
2 ms |
256 KB |
Output is correct |
| 4 |
Correct |
2 ms |
376 KB |
Output is correct |
| 5 |
Correct |
2 ms |
364 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 |
364 KB |
Output is correct |
| 13 |
Correct |
2 ms |
376 KB |
Output is correct |
| 14 |
Correct |
2 ms |
376 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 |
2 ms |
504 KB |
Output is correct |
| 20 |
Correct |
2 ms |
504 KB |
Output is correct |
| 21 |
Correct |
2 ms |
504 KB |
Output is correct |
| 22 |
Correct |
2 ms |
504 KB |
Output is correct |
| 23 |
Correct |
2 ms |
504 KB |
Output is correct |
| 24 |
Correct |
4 ms |
504 KB |
Output is correct |
| 25 |
Correct |
3 ms |
504 KB |
Output is correct |
| 26 |
Correct |
3 ms |
508 KB |
Output is correct |
| 27 |
Correct |
3 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 |
3 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 |
1640 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 |
1784 KB |
Output is correct |
| 50 |
Correct |
3 ms |
1784 KB |
Output is correct |
| 51 |
Correct |
3 ms |
1660 KB |
Output is correct |
| 52 |
Correct |
3 ms |
1656 KB |
Output is correct |
| 53 |
Correct |
3 ms |
1784 KB |
Output is correct |
| 54 |
Correct |
3 ms |
1784 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 |
1784 KB |
Output is correct |
| 58 |
Correct |
3 ms |
1656 KB |
Output is correct |
| 59 |
Correct |
3 ms |
1784 KB |
Output is correct |
| 60 |
Correct |
4 ms |
1656 KB |
Output is correct |
| 61 |
Correct |
3 ms |
1656 KB |
Output is correct |
| 62 |
Correct |
9 ms |
6220 KB |
Output is correct |
| 63 |
Correct |
31 ms |
14200 KB |
Output is correct |
| 64 |
Correct |
28 ms |
14076 KB |
Output is correct |
| 65 |
Correct |
27 ms |
14200 KB |
Output is correct |
| 66 |
Correct |
27 ms |
14200 KB |
Output is correct |
| 67 |
Correct |
28 ms |
14120 KB |
Output is correct |
| 68 |
Correct |
28 ms |
14328 KB |
Output is correct |
| 69 |
Correct |
27 ms |
14200 KB |
Output is correct |
| 70 |
Correct |
31 ms |
14100 KB |
Output is correct |
| 71 |
Correct |
36 ms |
14200 KB |
Output is correct |
| 72 |
Correct |
35 ms |
14200 KB |
Output is correct |
| 73 |
Correct |
35 ms |
14204 KB |
Output is correct |
| 74 |
Correct |
31 ms |
14200 KB |
Output is correct |
| 75 |
Correct |
31 ms |
14200 KB |
Output is correct |
| 76 |
Correct |
29 ms |
14172 KB |
Output is correct |
| 77 |
Correct |
35 ms |
14204 KB |
Output is correct |
| 78 |
Correct |
35 ms |
14200 KB |
Output is correct |
| 79 |
Correct |
36 ms |
14200 KB |
Output is correct |
| 80 |
Correct |
35 ms |
14200 KB |
Output is correct |
| 81 |
Correct |
35 ms |
14200 KB |
Output is correct |
| 82 |
Correct |
26 ms |
14072 KB |
Output is correct |
| 83 |
Correct |
29 ms |
14204 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 |
14072 KB |
Output is correct |
