답안 #856597

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
856597	2023-10-04T03:04:49 Z	NeroZein	Collecting Stamps 3 (JOI20_ho_t3)	C++17	100 / 100	54 ms	66136 KB

ho_t3

#include "bits/stdc++.h"
using namespace std;
 
#ifdef Nero
#include "Deb.h"
#else
#define deb(...)
#endif
 
const int N = 203;
const int INF = 0x3f3f3f3f;
 
int a[N], t[N]; 
int dp[N][N][N][2]; 
 
int main(){
  ios::sync_with_stdio(false);
  cin.tie(nullptr);
  int n, p;
  cin >> n >> p;
  for (int i = 1; i <= n; ++i) {
    cin >> a[i];
  }
  for (int i = 1; i <= n; ++i) {
    cin >> t[i];
  }
  t[0] = -1; 
  memset(dp, INF, sizeof dp); 
  int ans = 0; 
  dp[0][n + 1][0][0] = 0; 
  dp[0][n + 1][0][1] = 0; 
  for (int c = 0; c <= n; ++c) {
    for (int l = n + 1; l > 0; --l) {
      for (int r = 0; r <= n; ++r) {
        for (int il = 0; il < 2; ++il) {
          if (dp[c][l][r][il] == INF) {
            continue;
          }
          ans = max(ans, c); 
          int cur = il ? l : r;
          int ct = dp[c][l][r][il]; 
          int nl = l - 1; 
          int nr = r + 1; 
          int ndl = (l == n + 1 ? a[cur] + p - a[n] : il ? a[cur] - a[l - 1] : a[cur] + p - a[l - 1]); 
          int ndr = (l > r && il ? p - a[cur] + a[r + 1] : a[r + 1] - a[cur]); 
          if (nl != r) {
            if (ndl + ct <= t[nl]) {
              dp[c + 1][nl][r][1] = min(dp[c + 1][nl][r][1], ct + ndl);               
            }
            dp[c][nl][r][1] = min(dp[c][nl][r][1], ct + ndl); 
          }
          if (nr <= n && nr != l) {
            if (ndr + ct <= t[nr]) {
              dp[c + 1][l][nr][0] = min(dp[c + 1][l][nr][0], ct + ndr);               
            } 
            dp[c][l][nr][0] = min(dp[c][l][nr][0], ct + ndr);
          }
        }
      }
    }
  }
  cout << ans << '\n'; 
  return 0;
}

Subtask #1
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	7 ms	65884 KB	Output is correct
2	Correct	8 ms	65704 KB	Output is correct
3	Correct	8 ms	65884 KB	Output is correct
4	Correct	8 ms	65884 KB	Output is correct
5	Correct	8 ms	65884 KB	Output is correct
6	Correct	8 ms	65884 KB	Output is correct
7	Correct	8 ms	65708 KB	Output is correct
8	Correct	8 ms	65720 KB	Output is correct
9	Correct	8 ms	65884 KB	Output is correct
10	Correct	9 ms	65940 KB	Output is correct
11	Correct	9 ms	65884 KB	Output is correct
12	Correct	8 ms	65936 KB	Output is correct
13	Correct	10 ms	65884 KB	Output is correct
14	Correct	8 ms	65884 KB	Output is correct
15	Correct	8 ms	65884 KB	Output is correct
16	Correct	8 ms	65884 KB	Output is correct
17	Correct	8 ms	65880 KB	Output is correct

Subtask #2
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	7 ms	65884 KB	Output is correct
2	Correct	8 ms	65704 KB	Output is correct
3	Correct	8 ms	65884 KB	Output is correct
4	Correct	8 ms	65884 KB	Output is correct
5	Correct	8 ms	65884 KB	Output is correct
6	Correct	8 ms	65884 KB	Output is correct
7	Correct	8 ms	65708 KB	Output is correct
8	Correct	8 ms	65720 KB	Output is correct
9	Correct	8 ms	65884 KB	Output is correct
10	Correct	9 ms	65940 KB	Output is correct
11	Correct	9 ms	65884 KB	Output is correct
12	Correct	8 ms	65936 KB	Output is correct
13	Correct	10 ms	65884 KB	Output is correct
14	Correct	8 ms	65884 KB	Output is correct
15	Correct	8 ms	65884 KB	Output is correct
16	Correct	8 ms	65884 KB	Output is correct
17	Correct	8 ms	65880 KB	Output is correct
18	Correct	8 ms	65880 KB	Output is correct
19	Correct	8 ms	65884 KB	Output is correct
20	Correct	8 ms	65884 KB	Output is correct
21	Correct	8 ms	65884 KB	Output is correct
22	Correct	8 ms	65728 KB	Output is correct
23	Correct	8 ms	65884 KB	Output is correct
24	Correct	8 ms	65884 KB	Output is correct
25	Correct	8 ms	65884 KB	Output is correct
26	Correct	8 ms	65884 KB	Output is correct
27	Correct	8 ms	65692 KB	Output is correct
28	Correct	8 ms	65884 KB	Output is correct
29	Correct	8 ms	66136 KB	Output is correct
30	Correct	8 ms	65944 KB	Output is correct
31	Correct	8 ms	65936 KB	Output is correct
32	Correct	8 ms	65884 KB	Output is correct
33	Correct	9 ms	66136 KB	Output is correct
34	Correct	8 ms	65740 KB	Output is correct
35	Correct	8 ms	65884 KB	Output is correct

Subtask #3
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	7 ms	65884 KB	Output is correct
2	Correct	8 ms	65704 KB	Output is correct
3	Correct	8 ms	65884 KB	Output is correct
4	Correct	8 ms	65884 KB	Output is correct
5	Correct	8 ms	65884 KB	Output is correct
6	Correct	8 ms	65884 KB	Output is correct
7	Correct	8 ms	65708 KB	Output is correct
8	Correct	8 ms	65720 KB	Output is correct
9	Correct	8 ms	65884 KB	Output is correct
10	Correct	9 ms	65940 KB	Output is correct
11	Correct	9 ms	65884 KB	Output is correct
12	Correct	8 ms	65936 KB	Output is correct
13	Correct	10 ms	65884 KB	Output is correct
14	Correct	8 ms	65884 KB	Output is correct
15	Correct	8 ms	65884 KB	Output is correct
16	Correct	8 ms	65884 KB	Output is correct
17	Correct	8 ms	65880 KB	Output is correct
18	Correct	35 ms	65884 KB	Output is correct
19	Correct	23 ms	65884 KB	Output is correct
20	Correct	14 ms	65884 KB	Output is correct
21	Correct	23 ms	65924 KB	Output is correct
22	Correct	27 ms	66136 KB	Output is correct
23	Correct	13 ms	65884 KB	Output is correct
24	Correct	11 ms	65884 KB	Output is correct
25	Correct	13 ms	65712 KB	Output is correct
26	Correct	9 ms	65884 KB	Output is correct
27	Correct	13 ms	65880 KB	Output is correct
28	Correct	11 ms	65880 KB	Output is correct
29	Correct	13 ms	65752 KB	Output is correct
30	Correct	11 ms	65880 KB	Output is correct
31	Correct	14 ms	65932 KB	Output is correct
32	Correct	10 ms	65884 KB	Output is correct
33	Correct	13 ms	65936 KB	Output is correct
34	Correct	9 ms	65884 KB	Output is correct
35	Correct	13 ms	65884 KB	Output is correct
36	Correct	10 ms	65884 KB	Output is correct
37	Correct	12 ms	65884 KB	Output is correct
38	Correct	10 ms	66132 KB	Output is correct
39	Correct	12 ms	65884 KB	Output is correct
40	Correct	10 ms	65920 KB	Output is correct
41	Correct	51 ms	65912 KB	Output is correct
42	Correct	24 ms	65884 KB	Output is correct
43	Correct	54 ms	65700 KB	Output is correct
44	Correct	22 ms	65880 KB	Output is correct
45	Correct	50 ms	65912 KB	Output is correct
46	Correct	24 ms	65880 KB	Output is correct

Subtask #4
75.0 / 75.0

#	결과	실행 시간	메모리	Grader output
1	Correct	7 ms	65884 KB	Output is correct
2	Correct	8 ms	65704 KB	Output is correct
3	Correct	8 ms	65884 KB	Output is correct
4	Correct	8 ms	65884 KB	Output is correct
5	Correct	8 ms	65884 KB	Output is correct
6	Correct	8 ms	65884 KB	Output is correct
7	Correct	8 ms	65708 KB	Output is correct
8	Correct	8 ms	65720 KB	Output is correct
9	Correct	8 ms	65884 KB	Output is correct
10	Correct	9 ms	65940 KB	Output is correct
11	Correct	9 ms	65884 KB	Output is correct
12	Correct	8 ms	65936 KB	Output is correct
13	Correct	10 ms	65884 KB	Output is correct
14	Correct	8 ms	65884 KB	Output is correct
15	Correct	8 ms	65884 KB	Output is correct
16	Correct	8 ms	65884 KB	Output is correct
17	Correct	8 ms	65880 KB	Output is correct
18	Correct	8 ms	65880 KB	Output is correct
19	Correct	8 ms	65884 KB	Output is correct
20	Correct	8 ms	65884 KB	Output is correct
21	Correct	8 ms	65884 KB	Output is correct
22	Correct	8 ms	65728 KB	Output is correct
23	Correct	8 ms	65884 KB	Output is correct
24	Correct	8 ms	65884 KB	Output is correct
25	Correct	8 ms	65884 KB	Output is correct
26	Correct	8 ms	65884 KB	Output is correct
27	Correct	8 ms	65692 KB	Output is correct
28	Correct	8 ms	65884 KB	Output is correct
29	Correct	8 ms	66136 KB	Output is correct
30	Correct	8 ms	65944 KB	Output is correct
31	Correct	8 ms	65936 KB	Output is correct
32	Correct	8 ms	65884 KB	Output is correct
33	Correct	9 ms	66136 KB	Output is correct
34	Correct	8 ms	65740 KB	Output is correct
35	Correct	8 ms	65884 KB	Output is correct
36	Correct	35 ms	65884 KB	Output is correct
37	Correct	23 ms	65884 KB	Output is correct
38	Correct	14 ms	65884 KB	Output is correct
39	Correct	23 ms	65924 KB	Output is correct
40	Correct	27 ms	66136 KB	Output is correct
41	Correct	13 ms	65884 KB	Output is correct
42	Correct	11 ms	65884 KB	Output is correct
43	Correct	13 ms	65712 KB	Output is correct
44	Correct	9 ms	65884 KB	Output is correct
45	Correct	13 ms	65880 KB	Output is correct
46	Correct	11 ms	65880 KB	Output is correct
47	Correct	13 ms	65752 KB	Output is correct
48	Correct	11 ms	65880 KB	Output is correct
49	Correct	14 ms	65932 KB	Output is correct
50	Correct	10 ms	65884 KB	Output is correct
51	Correct	13 ms	65936 KB	Output is correct
52	Correct	9 ms	65884 KB	Output is correct
53	Correct	13 ms	65884 KB	Output is correct
54	Correct	10 ms	65884 KB	Output is correct
55	Correct	12 ms	65884 KB	Output is correct
56	Correct	10 ms	66132 KB	Output is correct
57	Correct	12 ms	65884 KB	Output is correct
58	Correct	10 ms	65920 KB	Output is correct
59	Correct	51 ms	65912 KB	Output is correct
60	Correct	24 ms	65884 KB	Output is correct
61	Correct	54 ms	65700 KB	Output is correct
62	Correct	22 ms	65880 KB	Output is correct
63	Correct	50 ms	65912 KB	Output is correct
64	Correct	24 ms	65880 KB	Output is correct
65	Correct	36 ms	65880 KB	Output is correct
66	Correct	34 ms	65880 KB	Output is correct
67	Correct	34 ms	65884 KB	Output is correct
68	Correct	30 ms	65884 KB	Output is correct
69	Correct	37 ms	65884 KB	Output is correct
70	Correct	40 ms	65880 KB	Output is correct
71	Correct	31 ms	65884 KB	Output is correct
72	Correct	48 ms	65880 KB	Output is correct
73	Correct	29 ms	65884 KB	Output is correct
74	Correct	35 ms	65700 KB	Output is correct
75	Correct	30 ms	66136 KB	Output is correct
76	Correct	43 ms	65884 KB	Output is correct
77	Correct	35 ms	65884 KB	Output is correct
78	Correct	33 ms	65884 KB	Output is correct
79	Correct	29 ms	65880 KB	Output is correct
80	Correct	43 ms	65884 KB	Output is correct
81	Correct	28 ms	65884 KB	Output is correct
82	Correct	33 ms	65944 KB	Output is correct
83	Correct	36 ms	65884 KB	Output is correct
84	Correct	34 ms	65884 KB	Output is correct
85	Correct	33 ms	65884 KB	Output is correct
86	Correct	37 ms	65784 KB	Output is correct
87	Correct	32 ms	65880 KB	Output is correct
88	Correct	48 ms	65880 KB	Output is correct
89	Correct	49 ms	65880 KB	Output is correct
90	Correct	30 ms	65884 KB	Output is correct
91	Correct	48 ms	65880 KB	Output is correct
92	Correct	43 ms	65880 KB	Output is correct
93	Correct	37 ms	65880 KB	Output is correct

답안 #856597

Compilation message

Subtask #1 5.0 / 5.0

Subtask #2 10.0 / 10.0

Subtask #3 10.0 / 10.0

Subtask #4 75.0 / 75.0

Subtask #1
5.0 / 5.0

Subtask #2
10.0 / 10.0

Subtask #3
10.0 / 10.0

Subtask #4
75.0 / 75.0