Submission #1061305

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
1061305	2024-08-16T07:56:47 Z	vjudge1	Mountains (IOI17_mountains)	C++17	100 / 100	10 ms	15708 KB

mountains

#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 - 1);
		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];
}

Subtask #1
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	1 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	1 ms	344 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	0 ms	600 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	1 ms	348 KB	Output is correct

Subtask #2
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	1 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	1 ms	344 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	0 ms	600 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	1 ms	348 KB	Output is correct
17	Correct	1 ms	2392 KB	Output is correct
18	Correct	1 ms	2528 KB	Output is correct
19	Correct	1 ms	2396 KB	Output is correct
20	Correct	0 ms	2396 KB	Output is correct
21	Correct	0 ms	2396 KB	Output is correct
22	Correct	1 ms	2396 KB	Output is correct
23	Correct	1 ms	2396 KB	Output is correct
24	Correct	1 ms	2396 KB	Output is correct
25	Correct	0 ms	2396 KB	Output is correct
26	Correct	0 ms	2396 KB	Output is correct
27	Correct	1 ms	2396 KB	Output is correct
28	Correct	1 ms	2568 KB	Output is correct
29	Correct	1 ms	2396 KB	Output is correct
30	Correct	0 ms	2396 KB	Output is correct
31	Correct	1 ms	2396 KB	Output is correct
32	Correct	0 ms	2396 KB	Output is correct
33	Correct	0 ms	2396 KB	Output is correct
34	Correct	1 ms	2488 KB	Output is correct
35	Correct	0 ms	2396 KB	Output is correct
36	Correct	1 ms	2396 KB	Output is correct
37	Correct	1 ms	2396 KB	Output is correct
38	Correct	1 ms	2396 KB	Output is correct

Subtask #3
30.0 / 30.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	1 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	1 ms	344 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	0 ms	600 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	1 ms	348 KB	Output is correct
17	Correct	1 ms	2392 KB	Output is correct
18	Correct	1 ms	2528 KB	Output is correct
19	Correct	1 ms	2396 KB	Output is correct
20	Correct	0 ms	2396 KB	Output is correct
21	Correct	0 ms	2396 KB	Output is correct
22	Correct	1 ms	2396 KB	Output is correct
23	Correct	1 ms	2396 KB	Output is correct
24	Correct	1 ms	2396 KB	Output is correct
25	Correct	0 ms	2396 KB	Output is correct
26	Correct	0 ms	2396 KB	Output is correct
27	Correct	1 ms	2396 KB	Output is correct
28	Correct	1 ms	2568 KB	Output is correct
29	Correct	1 ms	2396 KB	Output is correct
30	Correct	0 ms	2396 KB	Output is correct
31	Correct	1 ms	2396 KB	Output is correct
32	Correct	0 ms	2396 KB	Output is correct
33	Correct	0 ms	2396 KB	Output is correct
34	Correct	1 ms	2488 KB	Output is correct
35	Correct	0 ms	2396 KB	Output is correct
36	Correct	1 ms	2396 KB	Output is correct
37	Correct	1 ms	2396 KB	Output is correct
38	Correct	1 ms	2396 KB	Output is correct
39	Correct	1 ms	2396 KB	Output is correct
40	Correct	1 ms	4656 KB	Output is correct
41	Correct	1 ms	4444 KB	Output is correct
42	Correct	1 ms	4444 KB	Output is correct
43	Correct	1 ms	4444 KB	Output is correct
44	Correct	1 ms	4444 KB	Output is correct
45	Correct	1 ms	4444 KB	Output is correct
46	Correct	1 ms	4444 KB	Output is correct
47	Correct	1 ms	4456 KB	Output is correct
48	Correct	1 ms	4444 KB	Output is correct
49	Correct	1 ms	4444 KB	Output is correct
50	Correct	1 ms	4444 KB	Output is correct
51	Correct	1 ms	4444 KB	Output is correct
52	Correct	1 ms	4444 KB	Output is correct
53	Correct	1 ms	4444 KB	Output is correct
54	Correct	1 ms	4444 KB	Output is correct
55	Correct	1 ms	4444 KB	Output is correct
56	Correct	1 ms	4444 KB	Output is correct
57	Correct	1 ms	4444 KB	Output is correct
58	Correct	1 ms	4640 KB	Output is correct
59	Correct	1 ms	4648 KB	Output is correct
60	Correct	1 ms	4444 KB	Output is correct
61	Correct	1 ms	4444 KB	Output is correct

Subtask #4
30.0 / 30.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	1 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	1 ms	344 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	0 ms	600 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	1 ms	348 KB	Output is correct
17	Correct	1 ms	2392 KB	Output is correct
18	Correct	1 ms	2528 KB	Output is correct
19	Correct	1 ms	2396 KB	Output is correct
20	Correct	0 ms	2396 KB	Output is correct
21	Correct	0 ms	2396 KB	Output is correct
22	Correct	1 ms	2396 KB	Output is correct
23	Correct	1 ms	2396 KB	Output is correct
24	Correct	1 ms	2396 KB	Output is correct
25	Correct	0 ms	2396 KB	Output is correct
26	Correct	0 ms	2396 KB	Output is correct
27	Correct	1 ms	2396 KB	Output is correct
28	Correct	1 ms	2568 KB	Output is correct
29	Correct	1 ms	2396 KB	Output is correct
30	Correct	0 ms	2396 KB	Output is correct
31	Correct	1 ms	2396 KB	Output is correct
32	Correct	0 ms	2396 KB	Output is correct
33	Correct	0 ms	2396 KB	Output is correct
34	Correct	1 ms	2488 KB	Output is correct
35	Correct	0 ms	2396 KB	Output is correct
36	Correct	1 ms	2396 KB	Output is correct
37	Correct	1 ms	2396 KB	Output is correct
38	Correct	1 ms	2396 KB	Output is correct
39	Correct	1 ms	2396 KB	Output is correct
40	Correct	1 ms	4656 KB	Output is correct
41	Correct	1 ms	4444 KB	Output is correct
42	Correct	1 ms	4444 KB	Output is correct
43	Correct	1 ms	4444 KB	Output is correct
44	Correct	1 ms	4444 KB	Output is correct
45	Correct	1 ms	4444 KB	Output is correct
46	Correct	1 ms	4444 KB	Output is correct
47	Correct	1 ms	4456 KB	Output is correct
48	Correct	1 ms	4444 KB	Output is correct
49	Correct	1 ms	4444 KB	Output is correct
50	Correct	1 ms	4444 KB	Output is correct
51	Correct	1 ms	4444 KB	Output is correct
52	Correct	1 ms	4444 KB	Output is correct
53	Correct	1 ms	4444 KB	Output is correct
54	Correct	1 ms	4444 KB	Output is correct
55	Correct	1 ms	4444 KB	Output is correct
56	Correct	1 ms	4444 KB	Output is correct
57	Correct	1 ms	4444 KB	Output is correct
58	Correct	1 ms	4640 KB	Output is correct
59	Correct	1 ms	4648 KB	Output is correct
60	Correct	1 ms	4444 KB	Output is correct
61	Correct	1 ms	4444 KB	Output is correct
62	Correct	3 ms	8796 KB	Output is correct
63	Correct	7 ms	15452 KB	Output is correct
64	Correct	7 ms	15564 KB	Output is correct
65	Correct	7 ms	15452 KB	Output is correct
66	Correct	7 ms	15452 KB	Output is correct
67	Correct	7 ms	15708 KB	Output is correct
68	Correct	9 ms	15452 KB	Output is correct
69	Correct	9 ms	15452 KB	Output is correct
70	Correct	7 ms	15452 KB	Output is correct
71	Correct	8 ms	15524 KB	Output is correct
72	Correct	8 ms	15452 KB	Output is correct
73	Correct	8 ms	15452 KB	Output is correct
74	Correct	8 ms	15556 KB	Output is correct
75	Correct	8 ms	15452 KB	Output is correct
76	Correct	9 ms	15452 KB	Output is correct
77	Correct	8 ms	15516 KB	Output is correct
78	Correct	9 ms	15480 KB	Output is correct
79	Correct	9 ms	15492 KB	Output is correct
80	Correct	10 ms	15452 KB	Output is correct
81	Correct	9 ms	15452 KB	Output is correct
82	Correct	7 ms	15500 KB	Output is correct
83	Correct	7 ms	15452 KB	Output is correct
84	Correct	7 ms	15452 KB	Output is correct
85	Correct	6 ms	15500 KB	Output is correct
86	Correct	7 ms	15452 KB	Output is correct

Submission #1061305

Compilation message

Subtask #1 20.0 / 20.0

Subtask #2 20.0 / 20.0

Subtask #3 30.0 / 30.0

Subtask #4 30.0 / 30.0

Subtask #1
20.0 / 20.0

Subtask #2
20.0 / 20.0

Subtask #3
30.0 / 30.0

Subtask #4
30.0 / 30.0