Submission #931755

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
931755	2024-02-22T10:29:25 Z	alextodoran	Chorus (JOI23_chorus)	C++17	40 / 100	279 ms	101800 KB

chorus

/**
 _  _   __  _ _ _  _  _ _
 |a  ||t  ||o    d | |o  |
| __    _| | _ | __|  _ |
| __ |/_  | __  /__\ / _\|

**/

#include <bits/stdc++.h>

using namespace std;

typedef long long ll;

const int N_MAX = 5000;
const int INF = INT_MAX / 2;

int N, K;
int A[N_MAX + 2];

int dp[N_MAX + 2][N_MAX + 2];
int cost[N_MAX + 2];
int best[N_MAX + 2];

deque <int> rel[N_MAX + 2];

int f (int j, int k) {
    return dp[j][k] + cost[j + 1];
}

int main () {
    ios_base::sync_with_stdio(false);
    cin.tie(0);

    cin >> N >> K;
    string S;
    cin >> S;
    for (int i = 0, j = 0; i < N * 2; i++) {
        if (S[i] == 'A') {
            A[++j] = i + 1;
        }
    }
    for (int i = 1; i <= N; i++) {
        for (int j = 1; j <= i; j++) {
            cost[j] += max(0, (A[i] - i) - (j - 1));
        }
        dp[i][0] = INF;
        for (int k = 1; k <= K; k++) {
            while (rel[k - 1].empty() == false && f(i - 1, k - 1) <= f(rel[k - 1].back(), k - 1)) {
                rel[k - 1].pop_back();
            }
            rel[k - 1].push_back(i - 1);
            while ((int) rel[k - 1].size() >= 2 && f(rel[k - 1][0], k - 1) >= f(rel[k - 1][1], k - 1)) {
                rel[k - 1].pop_front();
            }
            if (rel[k - 1].empty() == true) {
                dp[i][k] = INF;
            } else {
                dp[i][k] = f(rel[k - 1].front(), k - 1);
            }
        }
    }
    cout << dp[N][K] << "\n";

    return 0;
}

Subtask #1
16.0 / 16.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	5468 KB	Output is correct
2	Correct	2 ms	5468 KB	Output is correct
3	Correct	2 ms	5468 KB	Output is correct
4	Correct	2 ms	5468 KB	Output is correct
5	Correct	2 ms	5468 KB	Output is correct
6	Correct	2 ms	5468 KB	Output is correct
7	Correct	2 ms	5464 KB	Output is correct
8	Correct	2 ms	5468 KB	Output is correct
9	Correct	2 ms	5468 KB	Output is correct
10	Correct	3 ms	5724 KB	Output is correct
11	Correct	2 ms	5468 KB	Output is correct
12	Correct	2 ms	5572 KB	Output is correct
13	Correct	2 ms	5468 KB	Output is correct
14	Correct	2 ms	5468 KB	Output is correct
15	Correct	2 ms	5468 KB	Output is correct
16	Correct	2 ms	5468 KB	Output is correct

Subtask #2
24.0 / 24.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	5468 KB	Output is correct
2	Correct	2 ms	5468 KB	Output is correct
3	Correct	2 ms	5468 KB	Output is correct
4	Correct	2 ms	5468 KB	Output is correct
5	Correct	2 ms	5468 KB	Output is correct
6	Correct	2 ms	5468 KB	Output is correct
7	Correct	2 ms	5464 KB	Output is correct
8	Correct	2 ms	5468 KB	Output is correct
9	Correct	2 ms	5468 KB	Output is correct
10	Correct	3 ms	5724 KB	Output is correct
11	Correct	2 ms	5468 KB	Output is correct
12	Correct	2 ms	5572 KB	Output is correct
13	Correct	2 ms	5468 KB	Output is correct
14	Correct	2 ms	5468 KB	Output is correct
15	Correct	2 ms	5468 KB	Output is correct
16	Correct	2 ms	5468 KB	Output is correct
17	Correct	2 ms	7512 KB	Output is correct
18	Correct	4 ms	13912 KB	Output is correct
19	Correct	4 ms	13660 KB	Output is correct
20	Correct	3 ms	13660 KB	Output is correct
21	Correct	3 ms	13660 KB	Output is correct
22	Correct	5 ms	13852 KB	Output is correct
23	Correct	5 ms	13656 KB	Output is correct
24	Correct	4 ms	13812 KB	Output is correct
25	Correct	5 ms	13660 KB	Output is correct
26	Correct	5 ms	13656 KB	Output is correct
27	Correct	4 ms	13660 KB	Output is correct
28	Correct	4 ms	13660 KB	Output is correct

Subtask #3
0 / 21.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	5468 KB	Output is correct
2	Correct	2 ms	5468 KB	Output is correct
3	Correct	2 ms	5468 KB	Output is correct
4	Correct	2 ms	5468 KB	Output is correct
5	Correct	2 ms	5468 KB	Output is correct
6	Correct	2 ms	5468 KB	Output is correct
7	Correct	2 ms	5464 KB	Output is correct
8	Correct	2 ms	5468 KB	Output is correct
9	Correct	2 ms	5468 KB	Output is correct
10	Correct	3 ms	5724 KB	Output is correct
11	Correct	2 ms	5468 KB	Output is correct
12	Correct	2 ms	5572 KB	Output is correct
13	Correct	2 ms	5468 KB	Output is correct
14	Correct	2 ms	5468 KB	Output is correct
15	Correct	2 ms	5468 KB	Output is correct
16	Correct	2 ms	5468 KB	Output is correct
17	Correct	2 ms	7512 KB	Output is correct
18	Correct	4 ms	13912 KB	Output is correct
19	Correct	4 ms	13660 KB	Output is correct
20	Correct	3 ms	13660 KB	Output is correct
21	Correct	3 ms	13660 KB	Output is correct
22	Correct	5 ms	13852 KB	Output is correct
23	Correct	5 ms	13656 KB	Output is correct
24	Correct	4 ms	13812 KB	Output is correct
25	Correct	5 ms	13660 KB	Output is correct
26	Correct	5 ms	13656 KB	Output is correct
27	Correct	4 ms	13660 KB	Output is correct
28	Correct	4 ms	13660 KB	Output is correct
29	Correct	140 ms	100184 KB	Output is correct
30	Correct	194 ms	101688 KB	Output is correct
31	Correct	60 ms	100856 KB	Output is correct
32	Correct	20 ms	100444 KB	Output is correct
33	Correct	21 ms	100212 KB	Output is correct
34	Correct	247 ms	101800 KB	Output is correct
35	Correct	279 ms	101716 KB	Output is correct
36	Correct	23 ms	100516 KB	Output is correct
37	Incorrect	91 ms	100672 KB	Output isn't correct
38	Halted	0 ms	0 KB	-

Subtask #4
0 / 26.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	5468 KB	Output is correct
2	Correct	2 ms	5468 KB	Output is correct
3	Correct	2 ms	5468 KB	Output is correct
4	Correct	2 ms	5468 KB	Output is correct
5	Correct	2 ms	5468 KB	Output is correct
6	Correct	2 ms	5468 KB	Output is correct
7	Correct	2 ms	5464 KB	Output is correct
8	Correct	2 ms	5468 KB	Output is correct
9	Correct	2 ms	5468 KB	Output is correct
10	Correct	3 ms	5724 KB	Output is correct
11	Correct	2 ms	5468 KB	Output is correct
12	Correct	2 ms	5572 KB	Output is correct
13	Correct	2 ms	5468 KB	Output is correct
14	Correct	2 ms	5468 KB	Output is correct
15	Correct	2 ms	5468 KB	Output is correct
16	Correct	2 ms	5468 KB	Output is correct
17	Correct	2 ms	7512 KB	Output is correct
18	Correct	4 ms	13912 KB	Output is correct
19	Correct	4 ms	13660 KB	Output is correct
20	Correct	3 ms	13660 KB	Output is correct
21	Correct	3 ms	13660 KB	Output is correct
22	Correct	5 ms	13852 KB	Output is correct
23	Correct	5 ms	13656 KB	Output is correct
24	Correct	4 ms	13812 KB	Output is correct
25	Correct	5 ms	13660 KB	Output is correct
26	Correct	5 ms	13656 KB	Output is correct
27	Correct	4 ms	13660 KB	Output is correct
28	Correct	4 ms	13660 KB	Output is correct
29	Correct	140 ms	100184 KB	Output is correct
30	Correct	194 ms	101688 KB	Output is correct
31	Correct	60 ms	100856 KB	Output is correct
32	Correct	20 ms	100444 KB	Output is correct
33	Correct	21 ms	100212 KB	Output is correct
34	Correct	247 ms	101800 KB	Output is correct
35	Correct	279 ms	101716 KB	Output is correct
36	Correct	23 ms	100516 KB	Output is correct
37	Incorrect	91 ms	100672 KB	Output isn't correct
38	Halted	0 ms	0 KB	-

Subtask #5
0 / 13.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	5468 KB	Output is correct
2	Correct	2 ms	5468 KB	Output is correct
3	Correct	2 ms	5468 KB	Output is correct
4	Correct	2 ms	5468 KB	Output is correct
5	Correct	2 ms	5468 KB	Output is correct
6	Correct	2 ms	5468 KB	Output is correct
7	Correct	2 ms	5464 KB	Output is correct
8	Correct	2 ms	5468 KB	Output is correct
9	Correct	2 ms	5468 KB	Output is correct
10	Correct	3 ms	5724 KB	Output is correct
11	Correct	2 ms	5468 KB	Output is correct
12	Correct	2 ms	5572 KB	Output is correct
13	Correct	2 ms	5468 KB	Output is correct
14	Correct	2 ms	5468 KB	Output is correct
15	Correct	2 ms	5468 KB	Output is correct
16	Correct	2 ms	5468 KB	Output is correct
17	Correct	2 ms	7512 KB	Output is correct
18	Correct	4 ms	13912 KB	Output is correct
19	Correct	4 ms	13660 KB	Output is correct
20	Correct	3 ms	13660 KB	Output is correct
21	Correct	3 ms	13660 KB	Output is correct
22	Correct	5 ms	13852 KB	Output is correct
23	Correct	5 ms	13656 KB	Output is correct
24	Correct	4 ms	13812 KB	Output is correct
25	Correct	5 ms	13660 KB	Output is correct
26	Correct	5 ms	13656 KB	Output is correct
27	Correct	4 ms	13660 KB	Output is correct
28	Correct	4 ms	13660 KB	Output is correct
29	Correct	140 ms	100184 KB	Output is correct
30	Correct	194 ms	101688 KB	Output is correct
31	Correct	60 ms	100856 KB	Output is correct
32	Correct	20 ms	100444 KB	Output is correct
33	Correct	21 ms	100212 KB	Output is correct
34	Correct	247 ms	101800 KB	Output is correct
35	Correct	279 ms	101716 KB	Output is correct
36	Correct	23 ms	100516 KB	Output is correct
37	Incorrect	91 ms	100672 KB	Output isn't correct
38	Halted	0 ms	0 KB	-

Submission #931755

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