Submission #995195

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
995195	2024-06-08T15:35:08 Z	gmroh06	Group Photo (JOI21_ho_t3)	C++14	100 / 100	159 ms	199776 KB

Main

#include <bits/stdc++.h>

using namespace std;
using ll = long long;

inline void fastio() {
    std::ios_base::sync_with_stdio(false);
    std::cin.tie(nullptr);
    std::cout.tie(nullptr);
}

ll n, arr[5050], p[5050], dp[5050], sum[5050][5050];

int main() {
    fastio();

    cin >> n;

    for (ll i = 1; i <= n; i++) {
        cin >> arr[i];
        p[arr[i]] = i;
    }

    for (ll i = 1; i <= n; i++) {
        for (ll j = 1; j <= n; j++) {
            sum[i][j] += sum[i - 1][j] + (arr[i] <= j);
        }
    }

    memset(dp, 0x3f, sizeof(dp));

    *dp = 0;

    for (ll i = 1; i <= n; i++) {
        for (ll j = i, tmp = 0; j > 0; j--) {
            tmp += (i - j) + (sum[p[j]][n] - sum[p[j]][i]) - (sum[p[j]][i] - sum[p[j]][j]);
            dp[i] = min(dp[i], dp[j - 1] + tmp);
        }
    }

    cout << dp[n];

    return 0;
}

Subtask #1
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	600 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	2396 KB	Output is correct
4	Correct	0 ms	2396 KB	Output is correct
5	Correct	0 ms	2396 KB	Output is correct
6	Correct	1 ms	2540 KB	Output is correct
7	Correct	1 ms	2396 KB	Output is correct
8	Correct	1 ms	2396 KB	Output is correct
9	Correct	0 ms	2396 KB	Output is correct
10	Correct	1 ms	2396 KB	Output is correct

Subtask #2
7.0 / 7.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	600 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	2396 KB	Output is correct
4	Correct	0 ms	2396 KB	Output is correct
5	Correct	0 ms	2396 KB	Output is correct
6	Correct	1 ms	2540 KB	Output is correct
7	Correct	1 ms	2396 KB	Output is correct
8	Correct	1 ms	2396 KB	Output is correct
9	Correct	0 ms	2396 KB	Output is correct
10	Correct	1 ms	2396 KB	Output is correct
11	Correct	1 ms	2396 KB	Output is correct
12	Correct	1 ms	2392 KB	Output is correct
13	Correct	1 ms	2556 KB	Output is correct
14	Correct	1 ms	2512 KB	Output is correct
15	Correct	1 ms	2392 KB	Output is correct
16	Correct	0 ms	2396 KB	Output is correct
17	Correct	1 ms	2396 KB	Output is correct
18	Correct	1 ms	2396 KB	Output is correct
19	Correct	1 ms	2396 KB	Output is correct
20	Correct	0 ms	2396 KB	Output is correct

Subtask #3
32.0 / 32.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	600 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	2396 KB	Output is correct
4	Correct	0 ms	2396 KB	Output is correct
5	Correct	0 ms	2396 KB	Output is correct
6	Correct	1 ms	2540 KB	Output is correct
7	Correct	1 ms	2396 KB	Output is correct
8	Correct	1 ms	2396 KB	Output is correct
9	Correct	0 ms	2396 KB	Output is correct
10	Correct	1 ms	2396 KB	Output is correct
11	Correct	1 ms	2396 KB	Output is correct
12	Correct	1 ms	2392 KB	Output is correct
13	Correct	1 ms	2556 KB	Output is correct
14	Correct	1 ms	2512 KB	Output is correct
15	Correct	1 ms	2392 KB	Output is correct
16	Correct	0 ms	2396 KB	Output is correct
17	Correct	1 ms	2396 KB	Output is correct
18	Correct	1 ms	2396 KB	Output is correct
19	Correct	1 ms	2396 KB	Output is correct
20	Correct	0 ms	2396 KB	Output is correct
21	Correct	1 ms	8540 KB	Output is correct
22	Correct	1 ms	8540 KB	Output is correct
23	Correct	1 ms	8540 KB	Output is correct
24	Correct	2 ms	8536 KB	Output is correct
25	Correct	2 ms	8536 KB	Output is correct
26	Correct	1 ms	8540 KB	Output is correct
27	Correct	1 ms	8536 KB	Output is correct
28	Correct	1 ms	8536 KB	Output is correct
29	Correct	2 ms	8580 KB	Output is correct
30	Correct	1 ms	8536 KB	Output is correct

Subtask #4
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	600 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	2396 KB	Output is correct
4	Correct	0 ms	2396 KB	Output is correct
5	Correct	0 ms	2396 KB	Output is correct
6	Correct	1 ms	2540 KB	Output is correct
7	Correct	1 ms	2396 KB	Output is correct
8	Correct	1 ms	2396 KB	Output is correct
9	Correct	0 ms	2396 KB	Output is correct
10	Correct	1 ms	2396 KB	Output is correct
11	Correct	1 ms	2396 KB	Output is correct
12	Correct	1 ms	2392 KB	Output is correct
13	Correct	1 ms	2556 KB	Output is correct
14	Correct	1 ms	2512 KB	Output is correct
15	Correct	1 ms	2392 KB	Output is correct
16	Correct	0 ms	2396 KB	Output is correct
17	Correct	1 ms	2396 KB	Output is correct
18	Correct	1 ms	2396 KB	Output is correct
19	Correct	1 ms	2396 KB	Output is correct
20	Correct	0 ms	2396 KB	Output is correct
21	Correct	1 ms	8540 KB	Output is correct
22	Correct	1 ms	8540 KB	Output is correct
23	Correct	1 ms	8540 KB	Output is correct
24	Correct	2 ms	8536 KB	Output is correct
25	Correct	2 ms	8536 KB	Output is correct
26	Correct	1 ms	8540 KB	Output is correct
27	Correct	1 ms	8536 KB	Output is correct
28	Correct	1 ms	8536 KB	Output is correct
29	Correct	2 ms	8580 KB	Output is correct
30	Correct	1 ms	8536 KB	Output is correct
31	Correct	8 ms	33304 KB	Output is correct
32	Correct	5 ms	33368 KB	Output is correct
33	Correct	7 ms	33372 KB	Output is correct
34	Correct	6 ms	33372 KB	Output is correct
35	Correct	5 ms	33372 KB	Output is correct
36	Correct	5 ms	33340 KB	Output is correct
37	Correct	5 ms	33372 KB	Output is correct
38	Correct	5 ms	33372 KB	Output is correct
39	Correct	5 ms	33372 KB	Output is correct
40	Correct	6 ms	33372 KB	Output is correct

Subtask #5
36.0 / 36.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	600 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	2396 KB	Output is correct
4	Correct	0 ms	2396 KB	Output is correct
5	Correct	0 ms	2396 KB	Output is correct
6	Correct	1 ms	2540 KB	Output is correct
7	Correct	1 ms	2396 KB	Output is correct
8	Correct	1 ms	2396 KB	Output is correct
9	Correct	0 ms	2396 KB	Output is correct
10	Correct	1 ms	2396 KB	Output is correct
11	Correct	1 ms	2396 KB	Output is correct
12	Correct	1 ms	2392 KB	Output is correct
13	Correct	1 ms	2556 KB	Output is correct
14	Correct	1 ms	2512 KB	Output is correct
15	Correct	1 ms	2392 KB	Output is correct
16	Correct	0 ms	2396 KB	Output is correct
17	Correct	1 ms	2396 KB	Output is correct
18	Correct	1 ms	2396 KB	Output is correct
19	Correct	1 ms	2396 KB	Output is correct
20	Correct	0 ms	2396 KB	Output is correct
21	Correct	1 ms	8540 KB	Output is correct
22	Correct	1 ms	8540 KB	Output is correct
23	Correct	1 ms	8540 KB	Output is correct
24	Correct	2 ms	8536 KB	Output is correct
25	Correct	2 ms	8536 KB	Output is correct
26	Correct	1 ms	8540 KB	Output is correct
27	Correct	1 ms	8536 KB	Output is correct
28	Correct	1 ms	8536 KB	Output is correct
29	Correct	2 ms	8580 KB	Output is correct
30	Correct	1 ms	8536 KB	Output is correct
31	Correct	8 ms	33304 KB	Output is correct
32	Correct	5 ms	33368 KB	Output is correct
33	Correct	7 ms	33372 KB	Output is correct
34	Correct	6 ms	33372 KB	Output is correct
35	Correct	5 ms	33372 KB	Output is correct
36	Correct	5 ms	33340 KB	Output is correct
37	Correct	5 ms	33372 KB	Output is correct
38	Correct	5 ms	33372 KB	Output is correct
39	Correct	5 ms	33372 KB	Output is correct
40	Correct	6 ms	33372 KB	Output is correct
41	Correct	146 ms	199764 KB	Output is correct
42	Correct	125 ms	199716 KB	Output is correct
43	Correct	156 ms	199764 KB	Output is correct
44	Correct	147 ms	199700 KB	Output is correct
45	Correct	155 ms	199764 KB	Output is correct
46	Correct	152 ms	199772 KB	Output is correct
47	Correct	159 ms	199768 KB	Output is correct
48	Correct	134 ms	199532 KB	Output is correct
49	Correct	155 ms	199768 KB	Output is correct
50	Correct	158 ms	199764 KB	Output is correct
51	Correct	153 ms	199776 KB	Output is correct
52	Correct	157 ms	199776 KB	Output is correct
53	Correct	152 ms	199772 KB	Output is correct
54	Correct	128 ms	199764 KB	Output is correct
55	Correct	154 ms	199772 KB	Output is correct

Submission #995195

Compilation message

Subtask #1 5.0 / 5.0

Subtask #2 7.0 / 7.0

Subtask #3 32.0 / 32.0

Subtask #4 20.0 / 20.0

Subtask #5 36.0 / 36.0

Subtask #1
5.0 / 5.0

Subtask #2
7.0 / 7.0

Subtask #3
32.0 / 32.0

Subtask #4
20.0 / 20.0

Subtask #5
36.0 / 36.0