oj.uz

Submission #856598

# Submission time Handle Problem Language Result Execution time Memory
856598 2023-10-04T03:07:26 Z NeroZein Collecting Stamps 3 (JOI20_ho_t3) C++17
100 / 100
 52 ms 66132 KB 
#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; 
  a[n + 1] = p; 
  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 = (il ? a[cur] - a[l - 1] : a[cur] + p - a[l - 1]); 
          int ndr = (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

# Verdict Execution time Memory Grader output
1 Correct 8 ms 65884 KB Output is correct
2 Correct 8 ms 65884 KB Output is correct
3 Correct 8 ms 65760 KB Output is correct
4 Correct 8 ms 65740 KB Output is correct
5 Correct 8 ms 65932 KB Output is correct
6 Correct 8 ms 65884 KB Output is correct
7 Correct 8 ms 65884 KB Output is correct
8 Correct 8 ms 65752 KB Output is correct
9 Correct 8 ms 65884 KB Output is correct
10 Correct 8 ms 65884 KB Output is correct
11 Correct 8 ms 65884 KB Output is correct
12 Correct 8 ms 65884 KB Output is correct
13 Correct 8 ms 65884 KB Output is correct
14 Correct 8 ms 65724 KB Output is correct
15 Correct 8 ms 65692 KB Output is correct
16 Correct 8 ms 65884 KB Output is correct
17 Correct 8 ms 65884 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 65884 KB Output is correct
2 Correct 8 ms 65884 KB Output is correct
3 Correct 8 ms 65760 KB Output is correct
4 Correct 8 ms 65740 KB Output is correct
5 Correct 8 ms 65932 KB Output is correct
6 Correct 8 ms 65884 KB Output is correct
7 Correct 8 ms 65884 KB Output is correct
8 Correct 8 ms 65752 KB Output is correct
9 Correct 8 ms 65884 KB Output is correct
10 Correct 8 ms 65884 KB Output is correct
11 Correct 8 ms 65884 KB Output is correct
12 Correct 8 ms 65884 KB Output is correct
13 Correct 8 ms 65884 KB Output is correct
14 Correct 8 ms 65724 KB Output is correct
15 Correct 8 ms 65692 KB Output is correct
16 Correct 8 ms 65884 KB Output is correct
17 Correct 8 ms 65884 KB Output is correct
18 Correct 8 ms 65884 KB Output is correct
19 Correct 8 ms 65884 KB Output is correct
20 Correct 8 ms 65936 KB Output is correct
21 Correct 8 ms 65880 KB Output is correct
22 Correct 8 ms 65760 KB Output is correct
23 Correct 8 ms 65768 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 65884 KB Output is correct
28 Correct 8 ms 65884 KB Output is correct
29 Correct 8 ms 65884 KB Output is correct
30 Correct 8 ms 65884 KB Output is correct
31 Correct 8 ms 65932 KB Output is correct
32 Correct 8 ms 65884 KB Output is correct
33 Correct 8 ms 65884 KB Output is correct
34 Correct 8 ms 65688 KB Output is correct
35 Correct 8 ms 65884 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 65884 KB Output is correct
2 Correct 8 ms 65884 KB Output is correct
3 Correct 8 ms 65760 KB Output is correct
4 Correct 8 ms 65740 KB Output is correct
5 Correct 8 ms 65932 KB Output is correct
6 Correct 8 ms 65884 KB Output is correct
7 Correct 8 ms 65884 KB Output is correct
8 Correct 8 ms 65752 KB Output is correct
9 Correct 8 ms 65884 KB Output is correct
10 Correct 8 ms 65884 KB Output is correct
11 Correct 8 ms 65884 KB Output is correct
12 Correct 8 ms 65884 KB Output is correct
13 Correct 8 ms 65884 KB Output is correct
14 Correct 8 ms 65724 KB Output is correct
15 Correct 8 ms 65692 KB Output is correct
16 Correct 8 ms 65884 KB Output is correct
17 Correct 8 ms 65884 KB Output is correct
18 Correct 39 ms 65884 KB Output is correct
19 Correct 22 ms 65884 KB Output is correct
20 Correct 14 ms 65884 KB Output is correct
21 Correct 21 ms 65884 KB Output is correct
22 Correct 26 ms 65932 KB Output is correct
23 Correct 15 ms 65936 KB Output is correct
24 Correct 11 ms 65884 KB Output is correct
25 Correct 13 ms 65884 KB Output is correct
26 Correct 10 ms 65744 KB Output is correct
27 Correct 14 ms 65884 KB Output is correct
28 Correct 11 ms 65932 KB Output is correct
29 Correct 14 ms 65884 KB Output is correct
30 Correct 10 ms 65880 KB Output is correct
31 Correct 13 ms 65884 KB Output is correct
32 Correct 9 ms 65880 KB Output is correct
33 Correct 13 ms 65884 KB Output is correct
34 Correct 9 ms 65884 KB Output is correct
35 Correct 11 ms 65880 KB Output is correct
36 Correct 9 ms 65936 KB Output is correct
37 Correct 12 ms 65884 KB Output is correct
38 Correct 10 ms 65880 KB Output is correct
39 Correct 12 ms 65936 KB Output is correct
40 Correct 11 ms 65880 KB Output is correct
41 Correct 49 ms 65884 KB Output is correct
42 Correct 24 ms 65884 KB Output is correct
43 Correct 48 ms 65880 KB Output is correct
44 Correct 23 ms 65940 KB Output is correct
45 Correct 49 ms 65908 KB Output is correct
46 Correct 23 ms 65840 KB Output is correct

Subtask #4
75.0 / 75.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 65884 KB Output is correct
2 Correct 8 ms 65884 KB Output is correct
3 Correct 8 ms 65760 KB Output is correct
4 Correct 8 ms 65740 KB Output is correct
5 Correct 8 ms 65932 KB Output is correct
6 Correct 8 ms 65884 KB Output is correct
7 Correct 8 ms 65884 KB Output is correct
8 Correct 8 ms 65752 KB Output is correct
9 Correct 8 ms 65884 KB Output is correct
10 Correct 8 ms 65884 KB Output is correct
11 Correct 8 ms 65884 KB Output is correct
12 Correct 8 ms 65884 KB Output is correct
13 Correct 8 ms 65884 KB Output is correct
14 Correct 8 ms 65724 KB Output is correct
15 Correct 8 ms 65692 KB Output is correct
16 Correct 8 ms 65884 KB Output is correct
17 Correct 8 ms 65884 KB Output is correct
18 Correct 8 ms 65884 KB Output is correct
19 Correct 8 ms 65884 KB Output is correct
20 Correct 8 ms 65936 KB Output is correct
21 Correct 8 ms 65880 KB Output is correct
22 Correct 8 ms 65760 KB Output is correct
23 Correct 8 ms 65768 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 65884 KB Output is correct
28 Correct 8 ms 65884 KB Output is correct
29 Correct 8 ms 65884 KB Output is correct
30 Correct 8 ms 65884 KB Output is correct
31 Correct 8 ms 65932 KB Output is correct
32 Correct 8 ms 65884 KB Output is correct
33 Correct 8 ms 65884 KB Output is correct
34 Correct 8 ms 65688 KB Output is correct
35 Correct 8 ms 65884 KB Output is correct
36 Correct 39 ms 65884 KB Output is correct
37 Correct 22 ms 65884 KB Output is correct
38 Correct 14 ms 65884 KB Output is correct
39 Correct 21 ms 65884 KB Output is correct
40 Correct 26 ms 65932 KB Output is correct
41 Correct 15 ms 65936 KB Output is correct
42 Correct 11 ms 65884 KB Output is correct
43 Correct 13 ms 65884 KB Output is correct
44 Correct 10 ms 65744 KB Output is correct
45 Correct 14 ms 65884 KB Output is correct
46 Correct 11 ms 65932 KB Output is correct
47 Correct 14 ms 65884 KB Output is correct
48 Correct 10 ms 65880 KB Output is correct
49 Correct 13 ms 65884 KB Output is correct
50 Correct 9 ms 65880 KB Output is correct
51 Correct 13 ms 65884 KB Output is correct
52 Correct 9 ms 65884 KB Output is correct
53 Correct 11 ms 65880 KB Output is correct
54 Correct 9 ms 65936 KB Output is correct
55 Correct 12 ms 65884 KB Output is correct
56 Correct 10 ms 65880 KB Output is correct
57 Correct 12 ms 65936 KB Output is correct
58 Correct 11 ms 65880 KB Output is correct
59 Correct 49 ms 65884 KB Output is correct
60 Correct 24 ms 65884 KB Output is correct
61 Correct 48 ms 65880 KB Output is correct
62 Correct 23 ms 65940 KB Output is correct
63 Correct 49 ms 65908 KB Output is correct
64 Correct 23 ms 65840 KB Output is correct
65 Correct 37 ms 65884 KB Output is correct
66 Correct 34 ms 65884 KB Output is correct
67 Correct 31 ms 65884 KB Output is correct
68 Correct 30 ms 65884 KB Output is correct
69 Correct 36 ms 66132 KB Output is correct
70 Correct 39 ms 65880 KB Output is correct
71 Correct 31 ms 65888 KB Output is correct
72 Correct 42 ms 66128 KB Output is correct
73 Correct 29 ms 65884 KB Output is correct
74 Correct 39 ms 65884 KB Output is correct
75 Correct 30 ms 65884 KB Output is correct
76 Correct 43 ms 65880 KB Output is correct
77 Correct 35 ms 65880 KB Output is correct
78 Correct 33 ms 65884 KB Output is correct
79 Correct 29 ms 65932 KB Output is correct
80 Correct 43 ms 65884 KB Output is correct
81 Correct 28 ms 65884 KB Output is correct
82 Correct 32 ms 65884 KB Output is correct
83 Correct 37 ms 65884 KB Output is correct
84 Correct 35 ms 65884 KB Output is correct
85 Correct 38 ms 65880 KB Output is correct
86 Correct 36 ms 65884 KB Output is correct
87 Correct 32 ms 65880 KB Output is correct
88 Correct 52 ms 65884 KB Output is correct
89 Correct 43 ms 65880 KB Output is correct
90 Correct 29 ms 65884 KB Output is correct
91 Correct 52 ms 65916 KB Output is correct
92 Correct 46 ms 65880 KB Output is correct
93 Correct 35 ms 65884 KB Output is correct