oj.uz

Submission #593396

# Submission time Handle Problem Language Result Execution time Memory
593396 2022-07-11T03:28:57 Z Hanksburger Collecting Stamps 3 (JOI20_ho_t3) C++17
100 / 100
 88 ms 33276 KB 
#include <bits/stdc++.h>
using namespace std;
int dp[205][205][205][2], x[205], t[205], n, l;
int d(int i, int j)
{
    return min(abs(x[i]-x[j]), l-abs(x[i]-x[j]));
}
int f(int l, int r, int c, int s)
{
    if (!c)
        return 1e9;
    if (c>r-l+1)
        return -1e9;
    if (dp[l][r][c][s]!=-1e9)
        return dp[l][r][c][s];
    int ind, ans=-1e9;
    if (s)
        ind=r+1;
    else
        ind=l-1;
    ans=max(ans, f(l+1, r, c, 0)-d(ind, l));
    ans=max(ans, f(l, r-1, c, 1)-d(ind, r));
    ans=max(ans, min(f(l+1, r, c-1, 0), t[l])-d(ind, l));
    ans=max(ans, min(f(l, r-1, c-1, 1), t[r])-d(ind, r));
    dp[l][r][c][s]=ans;
    return ans;
}
int main()
{
    ios::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    cin >> n >> l;
    for (int i=1; i<=n; i++)
        cin >> x[i];
    for (int i=1; i<=n; i++)
        cin >> t[i];
    for (int i=1; i<=n; i++)
        for (int j=i; j<=n; j++)
            for (int k=1; k<=j-i+1; k++)
            dp[i][j][k][0]=dp[i][j][k][1]=-1e9;
    for (int i=1; i<=n; i++)
    {
        if (f(1, n, i, 0)<0)
        {
            cout << i-1;
            return 0;
        }
    }
    cout << n;
    return 0;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 468 KB Output is correct
7 Correct 1 ms 328 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 468 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 468 KB Output is correct
13 Correct 0 ms 468 KB Output is correct
14 Correct 0 ms 332 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 468 KB Output is correct
17 Correct 1 ms 468 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 468 KB Output is correct
7 Correct 1 ms 328 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 468 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 468 KB Output is correct
13 Correct 0 ms 468 KB Output is correct
14 Correct 0 ms 332 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 468 KB Output is correct
17 Correct 1 ms 468 KB Output is correct
18 Correct 1 ms 468 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 468 KB Output is correct
21 Correct 1 ms 468 KB Output is correct
22 Correct 0 ms 340 KB Output is correct
23 Correct 1 ms 468 KB Output is correct
24 Correct 1 ms 468 KB Output is correct
25 Correct 1 ms 468 KB Output is correct
26 Correct 1 ms 468 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 0 ms 340 KB Output is correct
29 Correct 1 ms 536 KB Output is correct
30 Correct 1 ms 468 KB Output is correct
31 Correct 1 ms 468 KB Output is correct
32 Correct 0 ms 468 KB Output is correct
33 Correct 0 ms 468 KB Output is correct
34 Correct 1 ms 452 KB Output is correct
35 Correct 1 ms 468 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 468 KB Output is correct
7 Correct 1 ms 328 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 468 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 468 KB Output is correct
13 Correct 0 ms 468 KB Output is correct
14 Correct 0 ms 332 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 468 KB Output is correct
17 Correct 1 ms 468 KB Output is correct
18 Correct 60 ms 26708 KB Output is correct
19 Correct 28 ms 16340 KB Output is correct
20 Correct 11 ms 8928 KB Output is correct
21 Correct 26 ms 15528 KB Output is correct
22 Correct 48 ms 19996 KB Output is correct
23 Correct 9 ms 7636 KB Output is correct
24 Correct 6 ms 5972 KB Output is correct
25 Correct 9 ms 7380 KB Output is correct
26 Correct 3 ms 3028 KB Output is correct
27 Correct 9 ms 7764 KB Output is correct
28 Correct 6 ms 5664 KB Output is correct
29 Correct 9 ms 7968 KB Output is correct
30 Correct 6 ms 6228 KB Output is correct
31 Correct 9 ms 7364 KB Output is correct
32 Correct 4 ms 4052 KB Output is correct
33 Correct 8 ms 7380 KB Output is correct
34 Correct 2 ms 2772 KB Output is correct
35 Correct 6 ms 7252 KB Output is correct
36 Correct 3 ms 3540 KB Output is correct
37 Correct 6 ms 7748 KB Output is correct
38 Correct 4 ms 4424 KB Output is correct
39 Correct 7 ms 8020 KB Output is correct
40 Correct 4 ms 4820 KB Output is correct
41 Correct 82 ms 32852 KB Output is correct
42 Correct 11 ms 22228 KB Output is correct
43 Correct 85 ms 32852 KB Output is correct
44 Correct 11 ms 22052 KB Output is correct
45 Correct 84 ms 32944 KB Output is correct
46 Correct 13 ms 22228 KB Output is correct

Subtask #4
75.0 / 75.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 468 KB Output is correct
7 Correct 1 ms 328 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 468 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 468 KB Output is correct
13 Correct 0 ms 468 KB Output is correct
14 Correct 0 ms 332 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 468 KB Output is correct
17 Correct 1 ms 468 KB Output is correct
18 Correct 1 ms 468 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 468 KB Output is correct
21 Correct 1 ms 468 KB Output is correct
22 Correct 0 ms 340 KB Output is correct
23 Correct 1 ms 468 KB Output is correct
24 Correct 1 ms 468 KB Output is correct
25 Correct 1 ms 468 KB Output is correct
26 Correct 1 ms 468 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 0 ms 340 KB Output is correct
29 Correct 1 ms 536 KB Output is correct
30 Correct 1 ms 468 KB Output is correct
31 Correct 1 ms 468 KB Output is correct
32 Correct 0 ms 468 KB Output is correct
33 Correct 0 ms 468 KB Output is correct
34 Correct 1 ms 452 KB Output is correct
35 Correct 1 ms 468 KB Output is correct
36 Correct 60 ms 26708 KB Output is correct
37 Correct 28 ms 16340 KB Output is correct
38 Correct 11 ms 8928 KB Output is correct
39 Correct 26 ms 15528 KB Output is correct
40 Correct 48 ms 19996 KB Output is correct
41 Correct 9 ms 7636 KB Output is correct
42 Correct 6 ms 5972 KB Output is correct
43 Correct 9 ms 7380 KB Output is correct
44 Correct 3 ms 3028 KB Output is correct
45 Correct 9 ms 7764 KB Output is correct
46 Correct 6 ms 5664 KB Output is correct
47 Correct 9 ms 7968 KB Output is correct
48 Correct 6 ms 6228 KB Output is correct
49 Correct 9 ms 7364 KB Output is correct
50 Correct 4 ms 4052 KB Output is correct
51 Correct 8 ms 7380 KB Output is correct
52 Correct 2 ms 2772 KB Output is correct
53 Correct 6 ms 7252 KB Output is correct
54 Correct 3 ms 3540 KB Output is correct
55 Correct 6 ms 7748 KB Output is correct
56 Correct 4 ms 4424 KB Output is correct
57 Correct 7 ms 8020 KB Output is correct
58 Correct 4 ms 4820 KB Output is correct
59 Correct 82 ms 32852 KB Output is correct
60 Correct 11 ms 22228 KB Output is correct
61 Correct 85 ms 32852 KB Output is correct
62 Correct 11 ms 22052 KB Output is correct
63 Correct 84 ms 32944 KB Output is correct
64 Correct 13 ms 22228 KB Output is correct
65 Correct 70 ms 29796 KB Output is correct
66 Correct 62 ms 27336 KB Output is correct
67 Correct 57 ms 26164 KB Output is correct
68 Correct 50 ms 24148 KB Output is correct
69 Correct 70 ms 29396 KB Output is correct
70 Correct 78 ms 28280 KB Output is correct
71 Correct 64 ms 28584 KB Output is correct
72 Correct 70 ms 28884 KB Output is correct
73 Correct 58 ms 26792 KB Output is correct
74 Correct 57 ms 25088 KB Output is correct
75 Correct 62 ms 27604 KB Output is correct
76 Correct 79 ms 31664 KB Output is correct
77 Correct 83 ms 31672 KB Output is correct
78 Correct 57 ms 24500 KB Output is correct
79 Correct 55 ms 25368 KB Output is correct
80 Correct 78 ms 31040 KB Output is correct
81 Correct 55 ms 25556 KB Output is correct
82 Correct 50 ms 27092 KB Output is correct
83 Correct 80 ms 32852 KB Output is correct
84 Correct 56 ms 28276 KB Output is correct
85 Correct 73 ms 30724 KB Output is correct
86 Correct 60 ms 30104 KB Output is correct
87 Correct 62 ms 27688 KB Output is correct
88 Correct 85 ms 33276 KB Output is correct
89 Correct 86 ms 33224 KB Output is correct
90 Correct 14 ms 27984 KB Output is correct
91 Correct 88 ms 33236 KB Output is correct
92 Correct 85 ms 33180 KB Output is correct
93 Correct 16 ms 32596 KB Output is correct