Submission #769960

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
769960	2023-06-30T15:13:20 Z	LittleCube	Chorus (JOI23_chorus)	C++17	40 / 100	7000 ms	99140 KB

chorus

#include <bits/stdc++.h>
#define ll long long
#define pii pair<int, int>
#define pll pair<ll, ll>
#define F first
#define S second
using namespace std;

int N, K;
ll dp[5005][5005], in[1000006], suf[1000006], tot;
char c[2000006];

signed main()
{
    ios::sync_with_stdio(0);
    cin.tie(0), cout.tie(0);
    cin >> N >> K;
    for (int i = 1; i <= 2 * N; i++)
        cin >> c[i];
    for (int i = 1, j = 0, k = 1; i <= N; i++, k++)
    {
        while (c[k] != 'B')
            j++, k++;
        in[i - 1] = j;
    }
    for (int i = 0; i < N; i++)
        in[i] = max((ll)i, in[i]);
    for (int i = 1, j = N, k = 1; i <= N; i++, k++)
    {
        while (c[k] != 'A')
            j--, k++;
        suf[i] = j;
    }
    for (int i = N; i >= 0; i--)
        suf[i] += suf[i + 1];

    for (int k = 0; k <= K; k++)
        for (int i = 0; i <= N; i++)
            dp[i][k] = 1e18;
    dp[0][0] = 0;
    for (int k = 1; k <= K; k++)
        for (int i = 1; i <= N; i++)
        {
            for (int j = 0; j < i; j++)
                if (in[j] < i)
                    dp[i][k] = min(dp[i][k], dp[j][k - 1] + (i - in[j]) * (N - j) - (suf[in[j] + 1] - suf[i + 1]));
                else
                    dp[i][k] = min(dp[i][k], dp[j][k - 1] + 0);
            // cout << dp[i][k] << " \n"[i == N];
        }
    cout << dp[N][K] << '\n';
}

Subtask #1
16.0 / 16.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	340 KB	Output is correct
2	Correct	1 ms	340 KB	Output is correct
3	Correct	1 ms	340 KB	Output is correct
4	Correct	1 ms	340 KB	Output is correct
5	Correct	1 ms	340 KB	Output is correct
6	Correct	1 ms	340 KB	Output is correct
7	Correct	1 ms	336 KB	Output is correct
8	Correct	1 ms	340 KB	Output is correct
9	Correct	1 ms	328 KB	Output is correct
10	Correct	1 ms	340 KB	Output is correct
11	Correct	1 ms	340 KB	Output is correct
12	Correct	1 ms	340 KB	Output is correct
13	Correct	1 ms	340 KB	Output is correct
14	Correct	0 ms	340 KB	Output is correct
15	Correct	1 ms	340 KB	Output is correct
16	Correct	1 ms	332 KB	Output is correct

Subtask #2
24.0 / 24.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	340 KB	Output is correct
2	Correct	1 ms	340 KB	Output is correct
3	Correct	1 ms	340 KB	Output is correct
4	Correct	1 ms	340 KB	Output is correct
5	Correct	1 ms	340 KB	Output is correct
6	Correct	1 ms	340 KB	Output is correct
7	Correct	1 ms	336 KB	Output is correct
8	Correct	1 ms	340 KB	Output is correct
9	Correct	1 ms	328 KB	Output is correct
10	Correct	1 ms	340 KB	Output is correct
11	Correct	1 ms	340 KB	Output is correct
12	Correct	1 ms	340 KB	Output is correct
13	Correct	1 ms	340 KB	Output is correct
14	Correct	0 ms	340 KB	Output is correct
15	Correct	1 ms	340 KB	Output is correct
16	Correct	1 ms	332 KB	Output is correct
17	Correct	4 ms	1108 KB	Output is correct
18	Correct	37 ms	2748 KB	Output is correct
19	Correct	108 ms	3456 KB	Output is correct
20	Correct	2 ms	2388 KB	Output is correct
21	Correct	2 ms	2388 KB	Output is correct
22	Correct	196 ms	4332 KB	Output is correct
23	Correct	193 ms	4344 KB	Output is correct
24	Correct	6 ms	2388 KB	Output is correct
25	Correct	197 ms	4336 KB	Output is correct
26	Correct	160 ms	3924 KB	Output is correct
27	Correct	65 ms	3036 KB	Output is correct
28	Correct	65 ms	3036 KB	Output is correct

Subtask #3
0 / 21.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	340 KB	Output is correct
2	Correct	1 ms	340 KB	Output is correct
3	Correct	1 ms	340 KB	Output is correct
4	Correct	1 ms	340 KB	Output is correct
5	Correct	1 ms	340 KB	Output is correct
6	Correct	1 ms	340 KB	Output is correct
7	Correct	1 ms	336 KB	Output is correct
8	Correct	1 ms	340 KB	Output is correct
9	Correct	1 ms	328 KB	Output is correct
10	Correct	1 ms	340 KB	Output is correct
11	Correct	1 ms	340 KB	Output is correct
12	Correct	1 ms	340 KB	Output is correct
13	Correct	1 ms	340 KB	Output is correct
14	Correct	0 ms	340 KB	Output is correct
15	Correct	1 ms	340 KB	Output is correct
16	Correct	1 ms	332 KB	Output is correct
17	Correct	4 ms	1108 KB	Output is correct
18	Correct	37 ms	2748 KB	Output is correct
19	Correct	108 ms	3456 KB	Output is correct
20	Correct	2 ms	2388 KB	Output is correct
21	Correct	2 ms	2388 KB	Output is correct
22	Correct	196 ms	4332 KB	Output is correct
23	Correct	193 ms	4344 KB	Output is correct
24	Correct	6 ms	2388 KB	Output is correct
25	Correct	197 ms	4336 KB	Output is correct
26	Correct	160 ms	3924 KB	Output is correct
27	Correct	65 ms	3036 KB	Output is correct
28	Correct	65 ms	3036 KB	Output is correct
29	Execution timed out	7081 ms	99140 KB	Time limit exceeded
30	Halted	0 ms	0 KB	-

Subtask #4
0 / 26.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	340 KB	Output is correct
2	Correct	1 ms	340 KB	Output is correct
3	Correct	1 ms	340 KB	Output is correct
4	Correct	1 ms	340 KB	Output is correct
5	Correct	1 ms	340 KB	Output is correct
6	Correct	1 ms	340 KB	Output is correct
7	Correct	1 ms	336 KB	Output is correct
8	Correct	1 ms	340 KB	Output is correct
9	Correct	1 ms	328 KB	Output is correct
10	Correct	1 ms	340 KB	Output is correct
11	Correct	1 ms	340 KB	Output is correct
12	Correct	1 ms	340 KB	Output is correct
13	Correct	1 ms	340 KB	Output is correct
14	Correct	0 ms	340 KB	Output is correct
15	Correct	1 ms	340 KB	Output is correct
16	Correct	1 ms	332 KB	Output is correct
17	Correct	4 ms	1108 KB	Output is correct
18	Correct	37 ms	2748 KB	Output is correct
19	Correct	108 ms	3456 KB	Output is correct
20	Correct	2 ms	2388 KB	Output is correct
21	Correct	2 ms	2388 KB	Output is correct
22	Correct	196 ms	4332 KB	Output is correct
23	Correct	193 ms	4344 KB	Output is correct
24	Correct	6 ms	2388 KB	Output is correct
25	Correct	197 ms	4336 KB	Output is correct
26	Correct	160 ms	3924 KB	Output is correct
27	Correct	65 ms	3036 KB	Output is correct
28	Correct	65 ms	3036 KB	Output is correct
29	Execution timed out	7081 ms	99140 KB	Time limit exceeded
30	Halted	0 ms	0 KB	-

Subtask #5
0 / 13.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	340 KB	Output is correct
2	Correct	1 ms	340 KB	Output is correct
3	Correct	1 ms	340 KB	Output is correct
4	Correct	1 ms	340 KB	Output is correct
5	Correct	1 ms	340 KB	Output is correct
6	Correct	1 ms	340 KB	Output is correct
7	Correct	1 ms	336 KB	Output is correct
8	Correct	1 ms	340 KB	Output is correct
9	Correct	1 ms	328 KB	Output is correct
10	Correct	1 ms	340 KB	Output is correct
11	Correct	1 ms	340 KB	Output is correct
12	Correct	1 ms	340 KB	Output is correct
13	Correct	1 ms	340 KB	Output is correct
14	Correct	0 ms	340 KB	Output is correct
15	Correct	1 ms	340 KB	Output is correct
16	Correct	1 ms	332 KB	Output is correct
17	Correct	4 ms	1108 KB	Output is correct
18	Correct	37 ms	2748 KB	Output is correct
19	Correct	108 ms	3456 KB	Output is correct
20	Correct	2 ms	2388 KB	Output is correct
21	Correct	2 ms	2388 KB	Output is correct
22	Correct	196 ms	4332 KB	Output is correct
23	Correct	193 ms	4344 KB	Output is correct
24	Correct	6 ms	2388 KB	Output is correct
25	Correct	197 ms	4336 KB	Output is correct
26	Correct	160 ms	3924 KB	Output is correct
27	Correct	65 ms	3036 KB	Output is correct
28	Correct	65 ms	3036 KB	Output is correct
29	Execution timed out	7081 ms	99140 KB	Time limit exceeded
30	Halted	0 ms	0 KB	-

Submission #769960

Compilation message

Subtask #1 16.0 / 16.0

Subtask #2 24.0 / 24.0

Subtask #3 0 / 21.0

Subtask #4 0 / 26.0

Subtask #5 0 / 13.0

Subtask #1
16.0 / 16.0

Subtask #2
24.0 / 24.0

Subtask #3
0 / 21.0

Subtask #4
0 / 26.0

Subtask #5
0 / 13.0