답안 #1116057

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1116057	2024-11-21T08:22:53 Z	LucaIlie	Group Photo (JOI21_ho_t3)	C++17	100 / 100	351 ms	242496 KB

Main

#include <bits/stdc++.h>

using namespace std;

const int MAX_N = 5000;
int h[MAX_N + 1], p[MAX_N + 1], lower[MAX_N + 1][MAX_N + 1], costSmall[MAX_N + 1][MAX_N + 1], costBig[MAX_N + 1][MAX_N + 1], minCost[MAX_N + 1];

int main() {
    int n;

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

    for ( int i = 1; i <= n; i++ ) {
        for ( int j = 1; j < i; j++ )
            lower[i][h[j]]++;
        for ( int j = 1; j <= n; j++ )
            lower[i][j] += lower[i][j - 1];
    }

    for ( int l = 1; l <= n; l++ ) {
        for ( int r = l; r <= n; r++ )
            costSmall[l][r] = costSmall[l][r - 1] + lower[p[r]][r - 1] - lower[p[r]][l - 1];
    }
    for ( int r = 1; r <= n; r++ ) {
        for ( int l = r; l >= 1; l--)
            costBig[l][r] = costBig[l + 1][r] + lower[p[l]][n] - lower[p[l]][r];
    }

    for ( int i = 1; i <= n; i++ ) {
        minCost[i] = n * n;
        for ( int j = 0; j < i; j++ )
            minCost[i] = min( minCost[i], minCost[j] + costSmall[j + 1][i] + costBig[j + 1][i] );
    }

    cout << minCost[n] << "\n";

    return 0;
}

Subtask #1
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	336 KB	Output is correct
2	Correct	1 ms	336 KB	Output is correct
3	Correct	1 ms	336 KB	Output is correct
4	Correct	1 ms	336 KB	Output is correct
5	Correct	1 ms	336 KB	Output is correct
6	Correct	1 ms	336 KB	Output is correct
7	Correct	1 ms	336 KB	Output is correct
8	Correct	1 ms	336 KB	Output is correct
9	Correct	1 ms	336 KB	Output is correct
10	Correct	1 ms	336 KB	Output is correct

Subtask #2
7.0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	336 KB	Output is correct
2	Correct	1 ms	336 KB	Output is correct
3	Correct	1 ms	336 KB	Output is correct
4	Correct	1 ms	336 KB	Output is correct
5	Correct	1 ms	336 KB	Output is correct
6	Correct	1 ms	336 KB	Output is correct
7	Correct	1 ms	336 KB	Output is correct
8	Correct	1 ms	336 KB	Output is correct
9	Correct	1 ms	336 KB	Output is correct
10	Correct	1 ms	336 KB	Output is correct
11	Correct	1 ms	592 KB	Output is correct
12	Correct	1 ms	592 KB	Output is correct
13	Correct	2 ms	604 KB	Output is correct
14	Correct	1 ms	592 KB	Output is correct
15	Correct	1 ms	592 KB	Output is correct
16	Correct	1 ms	592 KB	Output is correct
17	Correct	1 ms	592 KB	Output is correct
18	Correct	1 ms	592 KB	Output is correct
19	Correct	1 ms	592 KB	Output is correct
20	Correct	1 ms	592 KB	Output is correct

Subtask #3
32.0 / 32.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	336 KB	Output is correct
2	Correct	1 ms	336 KB	Output is correct
3	Correct	1 ms	336 KB	Output is correct
4	Correct	1 ms	336 KB	Output is correct
5	Correct	1 ms	336 KB	Output is correct
6	Correct	1 ms	336 KB	Output is correct
7	Correct	1 ms	336 KB	Output is correct
8	Correct	1 ms	336 KB	Output is correct
9	Correct	1 ms	336 KB	Output is correct
10	Correct	1 ms	336 KB	Output is correct
11	Correct	1 ms	592 KB	Output is correct
12	Correct	1 ms	592 KB	Output is correct
13	Correct	2 ms	604 KB	Output is correct
14	Correct	1 ms	592 KB	Output is correct
15	Correct	1 ms	592 KB	Output is correct
16	Correct	1 ms	592 KB	Output is correct
17	Correct	1 ms	592 KB	Output is correct
18	Correct	1 ms	592 KB	Output is correct
19	Correct	1 ms	592 KB	Output is correct
20	Correct	1 ms	592 KB	Output is correct
21	Correct	3 ms	6480 KB	Output is correct
22	Correct	3 ms	6480 KB	Output is correct
23	Correct	3 ms	6480 KB	Output is correct
24	Correct	3 ms	6480 KB	Output is correct
25	Correct	3 ms	6480 KB	Output is correct
26	Correct	3 ms	6480 KB	Output is correct
27	Correct	3 ms	6652 KB	Output is correct
28	Correct	3 ms	6556 KB	Output is correct
29	Correct	3 ms	6480 KB	Output is correct
30	Correct	3 ms	6480 KB	Output is correct

Subtask #4
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	336 KB	Output is correct
2	Correct	1 ms	336 KB	Output is correct
3	Correct	1 ms	336 KB	Output is correct
4	Correct	1 ms	336 KB	Output is correct
5	Correct	1 ms	336 KB	Output is correct
6	Correct	1 ms	336 KB	Output is correct
7	Correct	1 ms	336 KB	Output is correct
8	Correct	1 ms	336 KB	Output is correct
9	Correct	1 ms	336 KB	Output is correct
10	Correct	1 ms	336 KB	Output is correct
11	Correct	1 ms	592 KB	Output is correct
12	Correct	1 ms	592 KB	Output is correct
13	Correct	2 ms	604 KB	Output is correct
14	Correct	1 ms	592 KB	Output is correct
15	Correct	1 ms	592 KB	Output is correct
16	Correct	1 ms	592 KB	Output is correct
17	Correct	1 ms	592 KB	Output is correct
18	Correct	1 ms	592 KB	Output is correct
19	Correct	1 ms	592 KB	Output is correct
20	Correct	1 ms	592 KB	Output is correct
21	Correct	3 ms	6480 KB	Output is correct
22	Correct	3 ms	6480 KB	Output is correct
23	Correct	3 ms	6480 KB	Output is correct
24	Correct	3 ms	6480 KB	Output is correct
25	Correct	3 ms	6480 KB	Output is correct
26	Correct	3 ms	6480 KB	Output is correct
27	Correct	3 ms	6652 KB	Output is correct
28	Correct	3 ms	6556 KB	Output is correct
29	Correct	3 ms	6480 KB	Output is correct
30	Correct	3 ms	6480 KB	Output is correct
31	Correct	12 ms	24144 KB	Output is correct
32	Correct	13 ms	24144 KB	Output is correct
33	Correct	13 ms	24156 KB	Output is correct
34	Correct	12 ms	24144 KB	Output is correct
35	Correct	14 ms	24144 KB	Output is correct
36	Correct	12 ms	24144 KB	Output is correct
37	Correct	13 ms	24144 KB	Output is correct
38	Correct	12 ms	24144 KB	Output is correct
39	Correct	14 ms	24144 KB	Output is correct
40	Correct	12 ms	24144 KB	Output is correct

Subtask #5
36.0 / 36.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	336 KB	Output is correct
2	Correct	1 ms	336 KB	Output is correct
3	Correct	1 ms	336 KB	Output is correct
4	Correct	1 ms	336 KB	Output is correct
5	Correct	1 ms	336 KB	Output is correct
6	Correct	1 ms	336 KB	Output is correct
7	Correct	1 ms	336 KB	Output is correct
8	Correct	1 ms	336 KB	Output is correct
9	Correct	1 ms	336 KB	Output is correct
10	Correct	1 ms	336 KB	Output is correct
11	Correct	1 ms	592 KB	Output is correct
12	Correct	1 ms	592 KB	Output is correct
13	Correct	2 ms	604 KB	Output is correct
14	Correct	1 ms	592 KB	Output is correct
15	Correct	1 ms	592 KB	Output is correct
16	Correct	1 ms	592 KB	Output is correct
17	Correct	1 ms	592 KB	Output is correct
18	Correct	1 ms	592 KB	Output is correct
19	Correct	1 ms	592 KB	Output is correct
20	Correct	1 ms	592 KB	Output is correct
21	Correct	3 ms	6480 KB	Output is correct
22	Correct	3 ms	6480 KB	Output is correct
23	Correct	3 ms	6480 KB	Output is correct
24	Correct	3 ms	6480 KB	Output is correct
25	Correct	3 ms	6480 KB	Output is correct
26	Correct	3 ms	6480 KB	Output is correct
27	Correct	3 ms	6652 KB	Output is correct
28	Correct	3 ms	6556 KB	Output is correct
29	Correct	3 ms	6480 KB	Output is correct
30	Correct	3 ms	6480 KB	Output is correct
31	Correct	12 ms	24144 KB	Output is correct
32	Correct	13 ms	24144 KB	Output is correct
33	Correct	13 ms	24156 KB	Output is correct
34	Correct	12 ms	24144 KB	Output is correct
35	Correct	14 ms	24144 KB	Output is correct
36	Correct	12 ms	24144 KB	Output is correct
37	Correct	13 ms	24144 KB	Output is correct
38	Correct	12 ms	24144 KB	Output is correct
39	Correct	14 ms	24144 KB	Output is correct
40	Correct	12 ms	24144 KB	Output is correct
41	Correct	335 ms	242496 KB	Output is correct
42	Correct	338 ms	242204 KB	Output is correct
43	Correct	336 ms	242376 KB	Output is correct
44	Correct	334 ms	242248 KB	Output is correct
45	Correct	334 ms	242372 KB	Output is correct
46	Correct	349 ms	242368 KB	Output is correct
47	Correct	339 ms	242248 KB	Output is correct
48	Correct	351 ms	242248 KB	Output is correct
49	Correct	345 ms	242248 KB	Output is correct
50	Correct	329 ms	242296 KB	Output is correct
51	Correct	351 ms	242360 KB	Output is correct
52	Correct	333 ms	242436 KB	Output is correct
53	Correct	329 ms	242208 KB	Output is correct
54	Correct	330 ms	242248 KB	Output is correct
55	Correct	309 ms	242248 KB	Output is correct

답안 #1116057

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