답안 #637632

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
637632	2022-09-02T13:37:12 Z	danikoynov	Group Photo (JOI21_ho_t3)	C++14	64 / 100	5000 ms	98316 KB

Main

/**
 ____ ____ ____ ____ ____ ____
||l |||e |||i |||n |||a |||d ||
||__|||__|||__|||__|||__|||__||
|/__\|/__\|/__\|/__\|/__\|/__\|

**/

#include<bits/stdc++.h>
#define endl '\n'

using namespace std;
typedef long long ll;

void speed()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);
}

const int maxn = 5010;

int n, a[maxn], dp[maxn], pos[maxn], cnt[maxn][maxn];
void solve()
{
    cin >> n;
    for (int i = 1; i <= n; i ++)
    {
        cin >> a[i];
        pos[a[i]] = i;
    }

    for (int i = 1; i <= n; i ++)
        for (int j = 1; j <= n; j ++)

    {
        cnt[i][j] = cnt[i - 1][j] + cnt[i][j - 1] - cnt[i - 1][j - 1];
        if (pos[i] == j)
            cnt[i][j] ++;
    }

    /**for (int i = 1; i <= n; i ++, cout << endl)
        for (int j = 1; j <= n; j ++)
        cout << cnt[i][j] << " ";*/
    for (int i = 1; i <= n; i ++)
    {
        dp[i] = n * n;

        int all = 0;
        for (int k = i; k > 0; k --)
            all += (cnt[n][pos[k]] - cnt[i][pos[k]]) + cnt[k - 1][pos[k]];
        for (int j = 0; j < i; j ++)
        {
            if (j > 0)
                all -= ((cnt[n][pos[j]] - cnt[i][pos[j]]) + cnt[j - 1][pos[j]]);
            int sum = 0;
            for (int k = i; k > j; k --)
            {
                ///ll cur = pos[k] + (j + (i - k) - query(pos[k] - 1));
                ll cur = - cnt[j][pos[k]];

                ///cout << i << " : " << j << " : " << k << " " << cnt[n][pos[k]] << " " << cnt[k][pos[k]] << endl;
                //cur -= st;
                //st ++;
                sum = sum + cur;
            }

            ///cout << i << " " << j << " " << sum << endl;
            dp[i] = min(dp[i], dp[j] + sum + all);

        }

        ///cout << i << " -- " << dp[i] << endl;

    }
    cout << dp[n] << endl;

}

int main()
{
    solve();
    return 0;
}

Subtask #1
5.0 / 5.0

#	결과	메모리	Grader output
1	Correct	212 KB	Output is correct
2	Correct	212 KB	Output is correct
3	Correct	340 KB	Output is correct
4	Correct	340 KB	Output is correct
5	Correct	340 KB	Output is correct
6	Correct	340 KB	Output is correct
7	Correct	340 KB	Output is correct
8	Correct	340 KB	Output is correct
9	Correct	340 KB	Output is correct
10	Correct	340 KB	Output is correct

Subtask #2
7.0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	340 KB	Output is correct
4	Correct	0 ms	340 KB	Output is correct
5	Correct	0 ms	340 KB	Output is correct
6	Correct	0 ms	340 KB	Output is correct
7	Correct	0 ms	340 KB	Output is correct
8	Correct	0 ms	340 KB	Output is correct
9	Correct	0 ms	340 KB	Output is correct
10	Correct	0 ms	340 KB	Output is correct
11	Correct	0 ms	340 KB	Output is correct
12	Correct	1 ms	340 KB	Output is correct
13	Correct	0 ms	340 KB	Output is correct
14	Correct	0 ms	340 KB	Output is correct
15	Correct	0 ms	340 KB	Output is correct
16	Correct	0 ms	340 KB	Output is correct
17	Correct	0 ms	340 KB	Output is correct
18	Correct	0 ms	340 KB	Output is correct
19	Correct	0 ms	340 KB	Output is correct
20	Correct	0 ms	340 KB	Output is correct

Subtask #3
32.0 / 32.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	340 KB	Output is correct
4	Correct	0 ms	340 KB	Output is correct
5	Correct	0 ms	340 KB	Output is correct
6	Correct	0 ms	340 KB	Output is correct
7	Correct	0 ms	340 KB	Output is correct
8	Correct	0 ms	340 KB	Output is correct
9	Correct	0 ms	340 KB	Output is correct
10	Correct	0 ms	340 KB	Output is correct
11	Correct	0 ms	340 KB	Output is correct
12	Correct	1 ms	340 KB	Output is correct
13	Correct	0 ms	340 KB	Output is correct
14	Correct	0 ms	340 KB	Output is correct
15	Correct	0 ms	340 KB	Output is correct
16	Correct	0 ms	340 KB	Output is correct
17	Correct	0 ms	340 KB	Output is correct
18	Correct	0 ms	340 KB	Output is correct
19	Correct	0 ms	340 KB	Output is correct
20	Correct	0 ms	340 KB	Output is correct
21	Correct	2 ms	1236 KB	Output is correct
22	Correct	2 ms	1236 KB	Output is correct
23	Correct	2 ms	1236 KB	Output is correct
24	Correct	2 ms	1236 KB	Output is correct
25	Correct	3 ms	1236 KB	Output is correct
26	Correct	2 ms	1236 KB	Output is correct
27	Correct	2 ms	1236 KB	Output is correct
28	Correct	3 ms	1236 KB	Output is correct
29	Correct	3 ms	1236 KB	Output is correct
30	Correct	2 ms	1236 KB	Output is correct

Subtask #4
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	340 KB	Output is correct
4	Correct	0 ms	340 KB	Output is correct
5	Correct	0 ms	340 KB	Output is correct
6	Correct	0 ms	340 KB	Output is correct
7	Correct	0 ms	340 KB	Output is correct
8	Correct	0 ms	340 KB	Output is correct
9	Correct	0 ms	340 KB	Output is correct
10	Correct	0 ms	340 KB	Output is correct
11	Correct	0 ms	340 KB	Output is correct
12	Correct	1 ms	340 KB	Output is correct
13	Correct	0 ms	340 KB	Output is correct
14	Correct	0 ms	340 KB	Output is correct
15	Correct	0 ms	340 KB	Output is correct
16	Correct	0 ms	340 KB	Output is correct
17	Correct	0 ms	340 KB	Output is correct
18	Correct	0 ms	340 KB	Output is correct
19	Correct	0 ms	340 KB	Output is correct
20	Correct	0 ms	340 KB	Output is correct
21	Correct	2 ms	1236 KB	Output is correct
22	Correct	2 ms	1236 KB	Output is correct
23	Correct	2 ms	1236 KB	Output is correct
24	Correct	2 ms	1236 KB	Output is correct
25	Correct	3 ms	1236 KB	Output is correct
26	Correct	2 ms	1236 KB	Output is correct
27	Correct	2 ms	1236 KB	Output is correct
28	Correct	3 ms	1236 KB	Output is correct
29	Correct	3 ms	1236 KB	Output is correct
30	Correct	2 ms	1236 KB	Output is correct
31	Correct	76 ms	5972 KB	Output is correct
32	Correct	69 ms	6036 KB	Output is correct
33	Correct	67 ms	5972 KB	Output is correct
34	Correct	78 ms	6036 KB	Output is correct
35	Correct	76 ms	6036 KB	Output is correct
36	Correct	79 ms	6036 KB	Output is correct
37	Correct	83 ms	6032 KB	Output is correct
38	Correct	93 ms	6048 KB	Output is correct
39	Correct	74 ms	6048 KB	Output is correct
40	Correct	69 ms	5972 KB	Output is correct

Subtask #5
0 / 36.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	340 KB	Output is correct
4	Correct	0 ms	340 KB	Output is correct
5	Correct	0 ms	340 KB	Output is correct
6	Correct	0 ms	340 KB	Output is correct
7	Correct	0 ms	340 KB	Output is correct
8	Correct	0 ms	340 KB	Output is correct
9	Correct	0 ms	340 KB	Output is correct
10	Correct	0 ms	340 KB	Output is correct
11	Correct	0 ms	340 KB	Output is correct
12	Correct	1 ms	340 KB	Output is correct
13	Correct	0 ms	340 KB	Output is correct
14	Correct	0 ms	340 KB	Output is correct
15	Correct	0 ms	340 KB	Output is correct
16	Correct	0 ms	340 KB	Output is correct
17	Correct	0 ms	340 KB	Output is correct
18	Correct	0 ms	340 KB	Output is correct
19	Correct	0 ms	340 KB	Output is correct
20	Correct	0 ms	340 KB	Output is correct
21	Correct	2 ms	1236 KB	Output is correct
22	Correct	2 ms	1236 KB	Output is correct
23	Correct	2 ms	1236 KB	Output is correct
24	Correct	2 ms	1236 KB	Output is correct
25	Correct	3 ms	1236 KB	Output is correct
26	Correct	2 ms	1236 KB	Output is correct
27	Correct	2 ms	1236 KB	Output is correct
28	Correct	3 ms	1236 KB	Output is correct
29	Correct	3 ms	1236 KB	Output is correct
30	Correct	2 ms	1236 KB	Output is correct
31	Correct	76 ms	5972 KB	Output is correct
32	Correct	69 ms	6036 KB	Output is correct
33	Correct	67 ms	5972 KB	Output is correct
34	Correct	78 ms	6036 KB	Output is correct
35	Correct	76 ms	6036 KB	Output is correct
36	Correct	79 ms	6036 KB	Output is correct
37	Correct	83 ms	6032 KB	Output is correct
38	Correct	93 ms	6048 KB	Output is correct
39	Correct	74 ms	6048 KB	Output is correct
40	Correct	69 ms	5972 KB	Output is correct
41	Execution timed out	5071 ms	98316 KB	Time limit exceeded
42	Halted	0 ms	0 KB	-

답안 #637632

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 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
0 / 36.0