답안 #257360

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
257360	2020-08-04T07:08:06 Z	Fischer	Mountains (IOI17_mountains)	C++14	100 / 100	52 ms	16256 KB

mountains

#include "mountains.h"
#include <bits/stdc++.h>

int maximum_deevs(std::vector<int> y) {
  int n = y.size();
  std::vector<int> last(n, -1);
  std::vector<std::vector<int>> memo(n+1, std::vector<int>(n+1, 0));
  for (int i = 0; i < n; ++i) {
    memo[i][i] = 1;
  }
  for (int len = 2; len <= n; ++len) {
    for (int i = 0; i < n; ++i) {
      int nxt = i + len - 1;
      if (nxt >= n) continue;
      memo[i][nxt] = memo[i+1][nxt];
      if (last[i] == -1 ||
          (last[i] - i) *1ll* (y[nxt] - y[i]) >= (nxt - i) *1ll* (y[last[i]] - y[i])) {
        last[i] = nxt;
      }
      memo[i][nxt] = std::max(memo[i][nxt], memo[i][last[i]-1] + memo[last[i]+1][nxt]);
    }
  }
  return memo[0][n-1];
}

Subtask #1
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	256 KB	Output is correct
2	Correct	0 ms	256 KB	Output is correct
3	Correct	0 ms	256 KB	Output is correct
4	Correct	0 ms	256 KB	Output is correct
5	Correct	0 ms	256 KB	Output is correct
6	Correct	0 ms	384 KB	Output is correct
7	Correct	1 ms	256 KB	Output is correct
8	Correct	1 ms	256 KB	Output is correct
9	Correct	0 ms	256 KB	Output is correct
10	Correct	0 ms	256 KB	Output is correct
11	Correct	0 ms	256 KB	Output is correct
12	Correct	0 ms	256 KB	Output is correct
13	Correct	0 ms	256 KB	Output is correct
14	Correct	0 ms	256 KB	Output is correct
15	Correct	1 ms	256 KB	Output is correct
16	Correct	0 ms	256 KB	Output is correct

Subtask #2
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	256 KB	Output is correct
2	Correct	0 ms	256 KB	Output is correct
3	Correct	0 ms	256 KB	Output is correct
4	Correct	0 ms	256 KB	Output is correct
5	Correct	0 ms	256 KB	Output is correct
6	Correct	0 ms	384 KB	Output is correct
7	Correct	1 ms	256 KB	Output is correct
8	Correct	1 ms	256 KB	Output is correct
9	Correct	0 ms	256 KB	Output is correct
10	Correct	0 ms	256 KB	Output is correct
11	Correct	0 ms	256 KB	Output is correct
12	Correct	0 ms	256 KB	Output is correct
13	Correct	0 ms	256 KB	Output is correct
14	Correct	0 ms	256 KB	Output is correct
15	Correct	1 ms	256 KB	Output is correct
16	Correct	0 ms	256 KB	Output is correct
17	Correct	0 ms	384 KB	Output is correct
18	Correct	1 ms	384 KB	Output is correct
19	Correct	1 ms	384 KB	Output is correct
20	Correct	1 ms	256 KB	Output is correct
21	Correct	1 ms	256 KB	Output is correct
22	Correct	0 ms	384 KB	Output is correct
23	Correct	1 ms	256 KB	Output is correct
24	Correct	1 ms	256 KB	Output is correct
25	Correct	1 ms	256 KB	Output is correct
26	Correct	1 ms	256 KB	Output is correct
27	Correct	0 ms	256 KB	Output is correct
28	Correct	0 ms	256 KB	Output is correct
29	Correct	0 ms	384 KB	Output is correct
30	Correct	1 ms	256 KB	Output is correct
31	Correct	0 ms	256 KB	Output is correct
32	Correct	1 ms	384 KB	Output is correct
33	Correct	0 ms	384 KB	Output is correct
34	Correct	0 ms	256 KB	Output is correct
35	Correct	0 ms	256 KB	Output is correct
36	Correct	0 ms	384 KB	Output is correct
37	Correct	0 ms	256 KB	Output is correct
38	Correct	0 ms	256 KB	Output is correct

Subtask #3
30.0 / 30.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	256 KB	Output is correct
2	Correct	0 ms	256 KB	Output is correct
3	Correct	0 ms	256 KB	Output is correct
4	Correct	0 ms	256 KB	Output is correct
5	Correct	0 ms	256 KB	Output is correct
6	Correct	0 ms	384 KB	Output is correct
7	Correct	1 ms	256 KB	Output is correct
8	Correct	1 ms	256 KB	Output is correct
9	Correct	0 ms	256 KB	Output is correct
10	Correct	0 ms	256 KB	Output is correct
11	Correct	0 ms	256 KB	Output is correct
12	Correct	0 ms	256 KB	Output is correct
13	Correct	0 ms	256 KB	Output is correct
14	Correct	0 ms	256 KB	Output is correct
15	Correct	1 ms	256 KB	Output is correct
16	Correct	0 ms	256 KB	Output is correct
17	Correct	0 ms	384 KB	Output is correct
18	Correct	1 ms	384 KB	Output is correct
19	Correct	1 ms	384 KB	Output is correct
20	Correct	1 ms	256 KB	Output is correct
21	Correct	1 ms	256 KB	Output is correct
22	Correct	0 ms	384 KB	Output is correct
23	Correct	1 ms	256 KB	Output is correct
24	Correct	1 ms	256 KB	Output is correct
25	Correct	1 ms	256 KB	Output is correct
26	Correct	1 ms	256 KB	Output is correct
27	Correct	0 ms	256 KB	Output is correct
28	Correct	0 ms	256 KB	Output is correct
29	Correct	0 ms	384 KB	Output is correct
30	Correct	1 ms	256 KB	Output is correct
31	Correct	0 ms	256 KB	Output is correct
32	Correct	1 ms	384 KB	Output is correct
33	Correct	0 ms	384 KB	Output is correct
34	Correct	0 ms	256 KB	Output is correct
35	Correct	0 ms	256 KB	Output is correct
36	Correct	0 ms	384 KB	Output is correct
37	Correct	0 ms	256 KB	Output is correct
38	Correct	0 ms	256 KB	Output is correct
39	Correct	1 ms	512 KB	Output is correct
40	Correct	1 ms	640 KB	Output is correct
41	Correct	1 ms	640 KB	Output is correct
42	Correct	1 ms	640 KB	Output is correct
43	Correct	1 ms	640 KB	Output is correct
44	Correct	1 ms	640 KB	Output is correct
45	Correct	1 ms	640 KB	Output is correct
46	Correct	1 ms	640 KB	Output is correct
47	Correct	1 ms	640 KB	Output is correct
48	Correct	1 ms	640 KB	Output is correct
49	Correct	2 ms	640 KB	Output is correct
50	Correct	1 ms	640 KB	Output is correct
51	Correct	1 ms	640 KB	Output is correct
52	Correct	1 ms	640 KB	Output is correct
53	Correct	1 ms	640 KB	Output is correct
54	Correct	1 ms	640 KB	Output is correct
55	Correct	1 ms	640 KB	Output is correct
56	Correct	1 ms	640 KB	Output is correct
57	Correct	1 ms	640 KB	Output is correct
58	Correct	1 ms	640 KB	Output is correct
59	Correct	1 ms	640 KB	Output is correct
60	Correct	1 ms	640 KB	Output is correct
61	Correct	2 ms	640 KB	Output is correct

Subtask #4
30.0 / 30.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	256 KB	Output is correct
2	Correct	0 ms	256 KB	Output is correct
3	Correct	0 ms	256 KB	Output is correct
4	Correct	0 ms	256 KB	Output is correct
5	Correct	0 ms	256 KB	Output is correct
6	Correct	0 ms	384 KB	Output is correct
7	Correct	1 ms	256 KB	Output is correct
8	Correct	1 ms	256 KB	Output is correct
9	Correct	0 ms	256 KB	Output is correct
10	Correct	0 ms	256 KB	Output is correct
11	Correct	0 ms	256 KB	Output is correct
12	Correct	0 ms	256 KB	Output is correct
13	Correct	0 ms	256 KB	Output is correct
14	Correct	0 ms	256 KB	Output is correct
15	Correct	1 ms	256 KB	Output is correct
16	Correct	0 ms	256 KB	Output is correct
17	Correct	0 ms	384 KB	Output is correct
18	Correct	1 ms	384 KB	Output is correct
19	Correct	1 ms	384 KB	Output is correct
20	Correct	1 ms	256 KB	Output is correct
21	Correct	1 ms	256 KB	Output is correct
22	Correct	0 ms	384 KB	Output is correct
23	Correct	1 ms	256 KB	Output is correct
24	Correct	1 ms	256 KB	Output is correct
25	Correct	1 ms	256 KB	Output is correct
26	Correct	1 ms	256 KB	Output is correct
27	Correct	0 ms	256 KB	Output is correct
28	Correct	0 ms	256 KB	Output is correct
29	Correct	0 ms	384 KB	Output is correct
30	Correct	1 ms	256 KB	Output is correct
31	Correct	0 ms	256 KB	Output is correct
32	Correct	1 ms	384 KB	Output is correct
33	Correct	0 ms	384 KB	Output is correct
34	Correct	0 ms	256 KB	Output is correct
35	Correct	0 ms	256 KB	Output is correct
36	Correct	0 ms	384 KB	Output is correct
37	Correct	0 ms	256 KB	Output is correct
38	Correct	0 ms	256 KB	Output is correct
39	Correct	1 ms	512 KB	Output is correct
40	Correct	1 ms	640 KB	Output is correct
41	Correct	1 ms	640 KB	Output is correct
42	Correct	1 ms	640 KB	Output is correct
43	Correct	1 ms	640 KB	Output is correct
44	Correct	1 ms	640 KB	Output is correct
45	Correct	1 ms	640 KB	Output is correct
46	Correct	1 ms	640 KB	Output is correct
47	Correct	1 ms	640 KB	Output is correct
48	Correct	1 ms	640 KB	Output is correct
49	Correct	2 ms	640 KB	Output is correct
50	Correct	1 ms	640 KB	Output is correct
51	Correct	1 ms	640 KB	Output is correct
52	Correct	1 ms	640 KB	Output is correct
53	Correct	1 ms	640 KB	Output is correct
54	Correct	1 ms	640 KB	Output is correct
55	Correct	1 ms	640 KB	Output is correct
56	Correct	1 ms	640 KB	Output is correct
57	Correct	1 ms	640 KB	Output is correct
58	Correct	1 ms	640 KB	Output is correct
59	Correct	1 ms	640 KB	Output is correct
60	Correct	1 ms	640 KB	Output is correct
61	Correct	2 ms	640 KB	Output is correct
62	Correct	7 ms	4224 KB	Output is correct
63	Correct	48 ms	16128 KB	Output is correct
64	Correct	50 ms	16128 KB	Output is correct
65	Correct	46 ms	16128 KB	Output is correct
66	Correct	52 ms	16248 KB	Output is correct
67	Correct	45 ms	16128 KB	Output is correct
68	Correct	47 ms	16128 KB	Output is correct
69	Correct	49 ms	16128 KB	Output is correct
70	Correct	45 ms	16128 KB	Output is correct
71	Correct	41 ms	16128 KB	Output is correct
72	Correct	44 ms	16128 KB	Output is correct
73	Correct	43 ms	16256 KB	Output is correct
74	Correct	41 ms	16128 KB	Output is correct
75	Correct	42 ms	16128 KB	Output is correct
76	Correct	47 ms	16128 KB	Output is correct
77	Correct	50 ms	16128 KB	Output is correct
78	Correct	50 ms	16128 KB	Output is correct
79	Correct	50 ms	16248 KB	Output is correct
80	Correct	50 ms	16128 KB	Output is correct
81	Correct	50 ms	16128 KB	Output is correct
82	Correct	45 ms	16128 KB	Output is correct
83	Correct	45 ms	16128 KB	Output is correct
84	Correct	44 ms	16128 KB	Output is correct
85	Correct	43 ms	16128 KB	Output is correct
86	Correct	42 ms	16128 KB	Output is correct

답안 #257360

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