oj.uz

Submission #216344

# Submission time Handle Problem Language Result Execution time Memory
216344 2020-03-27T07:23:51 Z dolphingarlic Collecting Stamps 3 (JOI20_ho_t3) C++14
100 / 100
 552 ms 1010120 KB 
#include <bits/stdc++.h>
#define FOR(i, x, y) for (int i = x; i < y; i++)
typedef long long ll;
using namespace std;

const ll INF = 1e18;

inline void mn(ll &A, ll B) { A = min(A, B); }

ll a[401], t[401], dp[401][401][401][2];
// dp[i][j][k][l] = Min time if visited range = [i, j] with k stamps collected. l = Currently at i

int main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    int n, p;
    cin >> n >> p;
    FOR(i, 0, n) {
        cin >> a[i];
        a[i + n + 1] = a[i];
    }
    FOR(i, 0, n) {
        cin >> t[i];
        t[i + n + 1] = t[i];
    }
    
    memset(dp, 0x3f, sizeof(dp));
    dp[n][n][0][0] = 0;
    int ans = 0;
    FOR(range, 0, n + 1) FOR(i, n - range, n + 1) FOR(k, 0, range + 1) FOR(l, 0, 2) {
        int j = i + range, curr = (l ? i : j);
        if (dp[i][j][k][l] > INF) continue;
        
        if (j < 2 * n - 1) {
            ll dist = min(p - abs(a[curr] - a[j + 1]), abs(a[curr] - a[j + 1])) + dp[i][j][k][l];
            mn(dp[i][j + 1][k + (dist <= t[j + 1])][0], dist);
        }

        if (i) {
            ll dist = min(p - abs(a[curr] - a[i - 1]), abs(a[curr] - a[i - 1])) + dp[i][j][k][l];
            mn(dp[i - 1][j][k + (dist <= t[i - 1])][1], dist);
        }
        ans = max(ans, k);
    }
    cout << ans;
    return 0;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 480 ms 1009876 KB Output is correct
2 Correct 479 ms 1010108 KB Output is correct
3 Correct 479 ms 1009784 KB Output is correct
4 Correct 481 ms 1009784 KB Output is correct
5 Correct 488 ms 1009784 KB Output is correct
6 Correct 477 ms 1009812 KB Output is correct
7 Correct 481 ms 1009892 KB Output is correct
8 Correct 478 ms 1009784 KB Output is correct
9 Correct 483 ms 1009864 KB Output is correct
10 Correct 479 ms 1009784 KB Output is correct
11 Correct 479 ms 1009784 KB Output is correct
12 Correct 480 ms 1009912 KB Output is correct
13 Correct 483 ms 1009784 KB Output is correct
14 Correct 484 ms 1009992 KB Output is correct
15 Correct 482 ms 1009788 KB Output is correct
16 Correct 478 ms 1009784 KB Output is correct
17 Correct 483 ms 1009804 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 480 ms 1009876 KB Output is correct
2 Correct 479 ms 1010108 KB Output is correct
3 Correct 479 ms 1009784 KB Output is correct
4 Correct 481 ms 1009784 KB Output is correct
5 Correct 488 ms 1009784 KB Output is correct
6 Correct 477 ms 1009812 KB Output is correct
7 Correct 481 ms 1009892 KB Output is correct
8 Correct 478 ms 1009784 KB Output is correct
9 Correct 483 ms 1009864 KB Output is correct
10 Correct 479 ms 1009784 KB Output is correct
11 Correct 479 ms 1009784 KB Output is correct
12 Correct 480 ms 1009912 KB Output is correct
13 Correct 483 ms 1009784 KB Output is correct
14 Correct 484 ms 1009992 KB Output is correct
15 Correct 482 ms 1009788 KB Output is correct
16 Correct 478 ms 1009784 KB Output is correct
17 Correct 483 ms 1009804 KB Output is correct
18 Correct 481 ms 1009844 KB Output is correct
19 Correct 497 ms 1009984 KB Output is correct
20 Correct 485 ms 1009784 KB Output is correct
21 Correct 479 ms 1009784 KB Output is correct
22 Correct 485 ms 1009912 KB Output is correct
23 Correct 474 ms 1009784 KB Output is correct
24 Correct 481 ms 1009784 KB Output is correct
25 Correct 485 ms 1009784 KB Output is correct
26 Correct 479 ms 1009784 KB Output is correct
27 Correct 479 ms 1010040 KB Output is correct
28 Correct 472 ms 1009912 KB Output is correct
29 Correct 476 ms 1009984 KB Output is correct
30 Correct 485 ms 1009788 KB Output is correct
31 Correct 475 ms 1009784 KB Output is correct
32 Correct 480 ms 1009784 KB Output is correct
33 Correct 473 ms 1009784 KB Output is correct
34 Correct 484 ms 1009912 KB Output is correct
35 Correct 480 ms 1009784 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 480 ms 1009876 KB Output is correct
2 Correct 479 ms 1010108 KB Output is correct
3 Correct 479 ms 1009784 KB Output is correct
4 Correct 481 ms 1009784 KB Output is correct
5 Correct 488 ms 1009784 KB Output is correct
6 Correct 477 ms 1009812 KB Output is correct
7 Correct 481 ms 1009892 KB Output is correct
8 Correct 478 ms 1009784 KB Output is correct
9 Correct 483 ms 1009864 KB Output is correct
10 Correct 479 ms 1009784 KB Output is correct
11 Correct 479 ms 1009784 KB Output is correct
12 Correct 480 ms 1009912 KB Output is correct
13 Correct 483 ms 1009784 KB Output is correct
14 Correct 484 ms 1009992 KB Output is correct
15 Correct 482 ms 1009788 KB Output is correct
16 Correct 478 ms 1009784 KB Output is correct
17 Correct 483 ms 1009804 KB Output is correct
18 Correct 517 ms 1009948 KB Output is correct
19 Correct 491 ms 1009784 KB Output is correct
20 Correct 483 ms 1009920 KB Output is correct
21 Correct 506 ms 1009784 KB Output is correct
22 Correct 504 ms 1009784 KB Output is correct
23 Correct 482 ms 1009784 KB Output is correct
24 Correct 487 ms 1010016 KB Output is correct
25 Correct 497 ms 1009784 KB Output is correct
26 Correct 482 ms 1010048 KB Output is correct
27 Correct 497 ms 1009788 KB Output is correct
28 Correct 492 ms 1009784 KB Output is correct
29 Correct 489 ms 1010040 KB Output is correct
30 Correct 494 ms 1009784 KB Output is correct
31 Correct 485 ms 1009912 KB Output is correct
32 Correct 479 ms 1009784 KB Output is correct
33 Correct 483 ms 1009784 KB Output is correct
34 Correct 494 ms 1009912 KB Output is correct
35 Correct 493 ms 1009760 KB Output is correct
36 Correct 488 ms 1010040 KB Output is correct
37 Correct 491 ms 1009784 KB Output is correct
38 Correct 482 ms 1009784 KB Output is correct
39 Correct 487 ms 1009784 KB Output is correct
40 Correct 480 ms 1009788 KB Output is correct
41 Correct 552 ms 1010120 KB Output is correct
42 Correct 507 ms 1009764 KB Output is correct
43 Correct 533 ms 1009784 KB Output is correct
44 Correct 483 ms 1009784 KB Output is correct
45 Correct 543 ms 1009788 KB Output is correct
46 Correct 485 ms 1009784 KB Output is correct

Subtask #4
75.0 / 75.0

# Verdict Execution time Memory Grader output
1 Correct 480 ms 1009876 KB Output is correct
2 Correct 479 ms 1010108 KB Output is correct
3 Correct 479 ms 1009784 KB Output is correct
4 Correct 481 ms 1009784 KB Output is correct
5 Correct 488 ms 1009784 KB Output is correct
6 Correct 477 ms 1009812 KB Output is correct
7 Correct 481 ms 1009892 KB Output is correct
8 Correct 478 ms 1009784 KB Output is correct
9 Correct 483 ms 1009864 KB Output is correct
10 Correct 479 ms 1009784 KB Output is correct
11 Correct 479 ms 1009784 KB Output is correct
12 Correct 480 ms 1009912 KB Output is correct
13 Correct 483 ms 1009784 KB Output is correct
14 Correct 484 ms 1009992 KB Output is correct
15 Correct 482 ms 1009788 KB Output is correct
16 Correct 478 ms 1009784 KB Output is correct
17 Correct 483 ms 1009804 KB Output is correct
18 Correct 481 ms 1009844 KB Output is correct
19 Correct 497 ms 1009984 KB Output is correct
20 Correct 485 ms 1009784 KB Output is correct
21 Correct 479 ms 1009784 KB Output is correct
22 Correct 485 ms 1009912 KB Output is correct
23 Correct 474 ms 1009784 KB Output is correct
24 Correct 481 ms 1009784 KB Output is correct
25 Correct 485 ms 1009784 KB Output is correct
26 Correct 479 ms 1009784 KB Output is correct
27 Correct 479 ms 1010040 KB Output is correct
28 Correct 472 ms 1009912 KB Output is correct
29 Correct 476 ms 1009984 KB Output is correct
30 Correct 485 ms 1009788 KB Output is correct
31 Correct 475 ms 1009784 KB Output is correct
32 Correct 480 ms 1009784 KB Output is correct
33 Correct 473 ms 1009784 KB Output is correct
34 Correct 484 ms 1009912 KB Output is correct
35 Correct 480 ms 1009784 KB Output is correct
36 Correct 517 ms 1009948 KB Output is correct
37 Correct 491 ms 1009784 KB Output is correct
38 Correct 483 ms 1009920 KB Output is correct
39 Correct 506 ms 1009784 KB Output is correct
40 Correct 504 ms 1009784 KB Output is correct
41 Correct 482 ms 1009784 KB Output is correct
42 Correct 487 ms 1010016 KB Output is correct
43 Correct 497 ms 1009784 KB Output is correct
44 Correct 482 ms 1010048 KB Output is correct
45 Correct 497 ms 1009788 KB Output is correct
46 Correct 492 ms 1009784 KB Output is correct
47 Correct 489 ms 1010040 KB Output is correct
48 Correct 494 ms 1009784 KB Output is correct
49 Correct 485 ms 1009912 KB Output is correct
50 Correct 479 ms 1009784 KB Output is correct
51 Correct 483 ms 1009784 KB Output is correct
52 Correct 494 ms 1009912 KB Output is correct
53 Correct 493 ms 1009760 KB Output is correct
54 Correct 488 ms 1010040 KB Output is correct
55 Correct 491 ms 1009784 KB Output is correct
56 Correct 482 ms 1009784 KB Output is correct
57 Correct 487 ms 1009784 KB Output is correct
58 Correct 480 ms 1009788 KB Output is correct
59 Correct 552 ms 1010120 KB Output is correct
60 Correct 507 ms 1009764 KB Output is correct
61 Correct 533 ms 1009784 KB Output is correct
62 Correct 483 ms 1009784 KB Output is correct
63 Correct 543 ms 1009788 KB Output is correct
64 Correct 485 ms 1009784 KB Output is correct
65 Correct 523 ms 1009784 KB Output is correct
66 Correct 516 ms 1009788 KB Output is correct
67 Correct 519 ms 1009912 KB Output is correct
68 Correct 523 ms 1009912 KB Output is correct
69 Correct 523 ms 1009912 KB Output is correct
70 Correct 538 ms 1009788 KB Output is correct
71 Correct 520 ms 1009784 KB Output is correct
72 Correct 530 ms 1009912 KB Output is correct
73 Correct 517 ms 1009912 KB Output is correct
74 Correct 527 ms 1009784 KB Output is correct
75 Correct 516 ms 1009912 KB Output is correct
76 Correct 545 ms 1009912 KB Output is correct
77 Correct 550 ms 1009784 KB Output is correct
78 Correct 524 ms 1009848 KB Output is correct
79 Correct 532 ms 1009764 KB Output is correct
80 Correct 536 ms 1010024 KB Output is correct
81 Correct 512 ms 1010040 KB Output is correct
82 Correct 505 ms 1009784 KB Output is correct
83 Correct 525 ms 1009912 KB Output is correct
84 Correct 508 ms 1009912 KB Output is correct
85 Correct 510 ms 1009784 KB Output is correct
86 Correct 521 ms 1009912 KB Output is correct
87 Correct 525 ms 1009972 KB Output is correct
88 Correct 543 ms 1009784 KB Output is correct
89 Correct 543 ms 1010040 KB Output is correct
90 Correct 492 ms 1009784 KB Output is correct
91 Correct 544 ms 1009804 KB Output is correct
92 Correct 549 ms 1010020 KB Output is correct
93 Correct 487 ms 1009784 KB Output is correct