답안 #384949

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
384949	2021-04-02T18:04:35 Z	timmyfeng	Group Photo (JOI21_ho_t3)	C++17	100 / 100	3102 ms	748 KB

Main

#include <bits/stdc++.h>
using namespace std;

#include <bits/extc++.h>

template <class T, class Comp = less<T>>
using ordered_set = __gnu_pbds::tree<
    T, __gnu_pbds::null_type, Comp,
    __gnu_pbds::rb_tree_tag,
    __gnu_pbds::tree_order_statistics_node_update
>;

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);

    int n;
    cin >> n;

    vector<int> perm(n), where(n);
    for (int i = 0; i < n; ++i) {
        cin >> perm[i];
        where[--perm[i]] = i;
    }

    vector<int> ans(n + 1, n * n);
    ans[0] = 0;

    for (int i = 0; i < n; ++i) {
        int segment = 0;
        ordered_set<int> indices;
        for (int j = 0; i + j < n; ++j) {
            segment += where[i + j] - j + indices.order_of_key(where[i + j]);
            ans[i + j + 1] = min(ans[i + j + 1], ans[i] + segment);
            indices.insert(where[i + j]);
        }

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

    cout << ans[n] << "\n";
}

Subtask #1
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	1 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	2 ms	364 KB	Output is correct
5	Correct	1 ms	364 KB	Output is correct
6	Correct	1 ms	364 KB	Output is correct
7	Correct	1 ms	364 KB	Output is correct
8	Correct	1 ms	364 KB	Output is correct
9	Correct	1 ms	364 KB	Output is correct
10	Correct	1 ms	364 KB	Output is correct

Subtask #2
7.0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	1 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	2 ms	364 KB	Output is correct
5	Correct	1 ms	364 KB	Output is correct
6	Correct	1 ms	364 KB	Output is correct
7	Correct	1 ms	364 KB	Output is correct
8	Correct	1 ms	364 KB	Output is correct
9	Correct	1 ms	364 KB	Output is correct
10	Correct	1 ms	364 KB	Output is correct
11	Correct	1 ms	364 KB	Output is correct
12	Correct	1 ms	364 KB	Output is correct
13	Correct	1 ms	364 KB	Output is correct
14	Correct	1 ms	492 KB	Output is correct
15	Correct	1 ms	364 KB	Output is correct
16	Correct	1 ms	364 KB	Output is correct
17	Correct	1 ms	364 KB	Output is correct
18	Correct	1 ms	364 KB	Output is correct
19	Correct	1 ms	364 KB	Output is correct
20	Correct	1 ms	364 KB	Output is correct

Subtask #3
32.0 / 32.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	1 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	2 ms	364 KB	Output is correct
5	Correct	1 ms	364 KB	Output is correct
6	Correct	1 ms	364 KB	Output is correct
7	Correct	1 ms	364 KB	Output is correct
8	Correct	1 ms	364 KB	Output is correct
9	Correct	1 ms	364 KB	Output is correct
10	Correct	1 ms	364 KB	Output is correct
11	Correct	1 ms	364 KB	Output is correct
12	Correct	1 ms	364 KB	Output is correct
13	Correct	1 ms	364 KB	Output is correct
14	Correct	1 ms	492 KB	Output is correct
15	Correct	1 ms	364 KB	Output is correct
16	Correct	1 ms	364 KB	Output is correct
17	Correct	1 ms	364 KB	Output is correct
18	Correct	1 ms	364 KB	Output is correct
19	Correct	1 ms	364 KB	Output is correct
20	Correct	1 ms	364 KB	Output is correct
21	Correct	4 ms	364 KB	Output is correct
22	Correct	4 ms	364 KB	Output is correct
23	Correct	4 ms	492 KB	Output is correct
24	Correct	4 ms	364 KB	Output is correct
25	Correct	4 ms	364 KB	Output is correct
26	Correct	4 ms	364 KB	Output is correct
27	Correct	4 ms	364 KB	Output is correct
28	Correct	5 ms	364 KB	Output is correct
29	Correct	4 ms	364 KB	Output is correct
30	Correct	4 ms	364 KB	Output is correct

Subtask #4
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	1 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	2 ms	364 KB	Output is correct
5	Correct	1 ms	364 KB	Output is correct
6	Correct	1 ms	364 KB	Output is correct
7	Correct	1 ms	364 KB	Output is correct
8	Correct	1 ms	364 KB	Output is correct
9	Correct	1 ms	364 KB	Output is correct
10	Correct	1 ms	364 KB	Output is correct
11	Correct	1 ms	364 KB	Output is correct
12	Correct	1 ms	364 KB	Output is correct
13	Correct	1 ms	364 KB	Output is correct
14	Correct	1 ms	492 KB	Output is correct
15	Correct	1 ms	364 KB	Output is correct
16	Correct	1 ms	364 KB	Output is correct
17	Correct	1 ms	364 KB	Output is correct
18	Correct	1 ms	364 KB	Output is correct
19	Correct	1 ms	364 KB	Output is correct
20	Correct	1 ms	364 KB	Output is correct
21	Correct	4 ms	364 KB	Output is correct
22	Correct	4 ms	364 KB	Output is correct
23	Correct	4 ms	492 KB	Output is correct
24	Correct	4 ms	364 KB	Output is correct
25	Correct	4 ms	364 KB	Output is correct
26	Correct	4 ms	364 KB	Output is correct
27	Correct	4 ms	364 KB	Output is correct
28	Correct	5 ms	364 KB	Output is correct
29	Correct	4 ms	364 KB	Output is correct
30	Correct	4 ms	364 KB	Output is correct
31	Correct	60 ms	364 KB	Output is correct
32	Correct	60 ms	364 KB	Output is correct
33	Correct	62 ms	364 KB	Output is correct
34	Correct	60 ms	364 KB	Output is correct
35	Correct	60 ms	364 KB	Output is correct
36	Correct	59 ms	492 KB	Output is correct
37	Correct	60 ms	364 KB	Output is correct
38	Correct	60 ms	364 KB	Output is correct
39	Correct	59 ms	364 KB	Output is correct
40	Correct	60 ms	364 KB	Output is correct

Subtask #5
36.0 / 36.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	1 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	2 ms	364 KB	Output is correct
5	Correct	1 ms	364 KB	Output is correct
6	Correct	1 ms	364 KB	Output is correct
7	Correct	1 ms	364 KB	Output is correct
8	Correct	1 ms	364 KB	Output is correct
9	Correct	1 ms	364 KB	Output is correct
10	Correct	1 ms	364 KB	Output is correct
11	Correct	1 ms	364 KB	Output is correct
12	Correct	1 ms	364 KB	Output is correct
13	Correct	1 ms	364 KB	Output is correct
14	Correct	1 ms	492 KB	Output is correct
15	Correct	1 ms	364 KB	Output is correct
16	Correct	1 ms	364 KB	Output is correct
17	Correct	1 ms	364 KB	Output is correct
18	Correct	1 ms	364 KB	Output is correct
19	Correct	1 ms	364 KB	Output is correct
20	Correct	1 ms	364 KB	Output is correct
21	Correct	4 ms	364 KB	Output is correct
22	Correct	4 ms	364 KB	Output is correct
23	Correct	4 ms	492 KB	Output is correct
24	Correct	4 ms	364 KB	Output is correct
25	Correct	4 ms	364 KB	Output is correct
26	Correct	4 ms	364 KB	Output is correct
27	Correct	4 ms	364 KB	Output is correct
28	Correct	5 ms	364 KB	Output is correct
29	Correct	4 ms	364 KB	Output is correct
30	Correct	4 ms	364 KB	Output is correct
31	Correct	60 ms	364 KB	Output is correct
32	Correct	60 ms	364 KB	Output is correct
33	Correct	62 ms	364 KB	Output is correct
34	Correct	60 ms	364 KB	Output is correct
35	Correct	60 ms	364 KB	Output is correct
36	Correct	59 ms	492 KB	Output is correct
37	Correct	60 ms	364 KB	Output is correct
38	Correct	60 ms	364 KB	Output is correct
39	Correct	59 ms	364 KB	Output is correct
40	Correct	60 ms	364 KB	Output is correct
41	Correct	3074 ms	712 KB	Output is correct
42	Correct	3067 ms	712 KB	Output is correct
43	Correct	3080 ms	748 KB	Output is correct
44	Correct	3071 ms	748 KB	Output is correct
45	Correct	3087 ms	748 KB	Output is correct
46	Correct	3084 ms	712 KB	Output is correct
47	Correct	3085 ms	748 KB	Output is correct
48	Correct	3076 ms	748 KB	Output is correct
49	Correct	3068 ms	748 KB	Output is correct
50	Correct	3097 ms	712 KB	Output is correct
51	Correct	3102 ms	712 KB	Output is correct
52	Correct	3092 ms	748 KB	Output is correct
53	Correct	3090 ms	748 KB	Output is correct
54	Correct	3085 ms	712 KB	Output is correct
55	Correct	3055 ms	712 KB	Output is correct

답안 #384949

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