oj.uz

Submission #126019

# Submission time Handle Problem Language Result Execution time Memory
126019 2019-07-06T18:15:12 Z zeyad49 Mountains (IOI17_mountains) C++17
100 / 100
 39 ms 14200 KB 
#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 = 0; r < n; r++)
	{
		int sum = 0, last = r;
		
		dp[r][r] = 1;
		for (int l = r - 1; l >= 0; l--)
		{
			dp[l][r] = dp[l][r - 1];
			if (ccw(p[l], p[last], p[r]) >= 0)
			{
				sum += dp[l + 1][last-1];
				last = l;
			}
			dp[l][r] = max(dp[l][r], 1 + sum + dp[l][last-1]);
		}
	}
	return dp[0][n-1];
}

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 376 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 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 380 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 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 376 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 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 380 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 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 424 KB Output is correct
23 Correct 2 ms 504 KB Output is correct
24 Correct 2 ms 508 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

Subtask #3
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 376 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 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 380 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 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 424 KB Output is correct
23 Correct 2 ms 504 KB Output is correct
24 Correct 2 ms 508 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 3 ms 1656 KB Output is correct
42 Correct 4 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 1660 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 1628 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 1660 KB Output is correct
60 Correct 3 ms 1656 KB Output is correct
61 Correct 3 ms 1656 KB Output is correct

Subtask #4
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 376 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 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 380 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 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 424 KB Output is correct
23 Correct 2 ms 504 KB Output is correct
24 Correct 2 ms 508 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 3 ms 1656 KB Output is correct
42 Correct 4 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 1660 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 1628 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 1660 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 6392 KB Output is correct
63 Correct 28 ms 14200 KB Output is correct
64 Correct 29 ms 14200 KB Output is correct
65 Correct 29 ms 14200 KB Output is correct
66 Correct 34 ms 14200 KB Output is correct
67 Correct 28 ms 14200 KB Output is correct
68 Correct 29 ms 14200 KB Output is correct
69 Correct 28 ms 14200 KB Output is correct
70 Correct 32 ms 14200 KB Output is correct
71 Correct 32 ms 14200 KB Output is correct
72 Correct 33 ms 14200 KB Output is correct
73 Correct 33 ms 14200 KB Output is correct
74 Correct 32 ms 14200 KB Output is correct
75 Correct 34 ms 14200 KB Output is correct
76 Correct 29 ms 14200 KB Output is correct
77 Correct 39 ms 14200 KB Output is correct
78 Correct 38 ms 14172 KB Output is correct
79 Correct 39 ms 14200 KB Output is correct
80 Correct 39 ms 14200 KB Output is correct
81 Correct 39 ms 14200 KB Output is correct
82 Correct 26 ms 14200 KB Output is correct
83 Correct 28 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 27 ms 14200 KB Output is correct