Submission #931758

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
931758	2024-02-22T10:30:40 Z	alextodoran	Chorus (JOI23_chorus)	C++17	40 / 100	345 ms	303396 KB

chorus

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

**/

#include <bits/stdc++.h>

using namespace std;

typedef long long ll;

const int N_MAX = 10000;
const ll INF = LLONG_MAX / 2;

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

ll dp[N_MAX + 2][N_MAX + 2];
ll cost[N_MAX + 2];

deque <int> rel[N_MAX + 2];

ll 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	5 ms	8540 KB	Output is correct
2	Correct	5 ms	8548 KB	Output is correct
3	Correct	3 ms	8536 KB	Output is correct
4	Correct	3 ms	8540 KB	Output is correct
5	Correct	3 ms	8476 KB	Output is correct
6	Correct	3 ms	8540 KB	Output is correct
7	Correct	4 ms	8544 KB	Output is correct
8	Correct	3 ms	8540 KB	Output is correct
9	Correct	4 ms	8540 KB	Output is correct
10	Correct	3 ms	8540 KB	Output is correct
11	Correct	5 ms	8540 KB	Output is correct
12	Correct	5 ms	8540 KB	Output is correct
13	Correct	5 ms	8540 KB	Output is correct
14	Correct	4 ms	8536 KB	Output is correct
15	Correct	5 ms	8536 KB	Output is correct
16	Correct	4 ms	8540 KB	Output is correct

Subtask #2
24.0 / 24.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	5 ms	8540 KB	Output is correct
2	Correct	5 ms	8548 KB	Output is correct
3	Correct	3 ms	8536 KB	Output is correct
4	Correct	3 ms	8540 KB	Output is correct
5	Correct	3 ms	8476 KB	Output is correct
6	Correct	3 ms	8540 KB	Output is correct
7	Correct	4 ms	8544 KB	Output is correct
8	Correct	3 ms	8540 KB	Output is correct
9	Correct	4 ms	8540 KB	Output is correct
10	Correct	3 ms	8540 KB	Output is correct
11	Correct	5 ms	8540 KB	Output is correct
12	Correct	5 ms	8540 KB	Output is correct
13	Correct	5 ms	8540 KB	Output is correct
14	Correct	4 ms	8536 KB	Output is correct
15	Correct	5 ms	8536 KB	Output is correct
16	Correct	4 ms	8540 KB	Output is correct
17	Correct	5 ms	22872 KB	Output is correct
18	Correct	11 ms	47448 KB	Output is correct
19	Correct	12 ms	47452 KB	Output is correct
20	Correct	8 ms	47452 KB	Output is correct
21	Correct	8 ms	47452 KB	Output is correct
22	Correct	10 ms	47560 KB	Output is correct
23	Correct	10 ms	47448 KB	Output is correct
24	Correct	8 ms	47448 KB	Output is correct
25	Correct	11 ms	47448 KB	Output is correct
26	Correct	10 ms	47452 KB	Output is correct
27	Correct	9 ms	47644 KB	Output is correct
28	Correct	10 ms	47608 KB	Output is correct

Subtask #3
0 / 21.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	5 ms	8540 KB	Output is correct
2	Correct	5 ms	8548 KB	Output is correct
3	Correct	3 ms	8536 KB	Output is correct
4	Correct	3 ms	8540 KB	Output is correct
5	Correct	3 ms	8476 KB	Output is correct
6	Correct	3 ms	8540 KB	Output is correct
7	Correct	4 ms	8544 KB	Output is correct
8	Correct	3 ms	8540 KB	Output is correct
9	Correct	4 ms	8540 KB	Output is correct
10	Correct	3 ms	8540 KB	Output is correct
11	Correct	5 ms	8540 KB	Output is correct
12	Correct	5 ms	8540 KB	Output is correct
13	Correct	5 ms	8540 KB	Output is correct
14	Correct	4 ms	8536 KB	Output is correct
15	Correct	5 ms	8536 KB	Output is correct
16	Correct	4 ms	8540 KB	Output is correct
17	Correct	5 ms	22872 KB	Output is correct
18	Correct	11 ms	47448 KB	Output is correct
19	Correct	12 ms	47452 KB	Output is correct
20	Correct	8 ms	47452 KB	Output is correct
21	Correct	8 ms	47452 KB	Output is correct
22	Correct	10 ms	47560 KB	Output is correct
23	Correct	10 ms	47448 KB	Output is correct
24	Correct	8 ms	47448 KB	Output is correct
25	Correct	11 ms	47448 KB	Output is correct
26	Correct	10 ms	47452 KB	Output is correct
27	Correct	9 ms	47644 KB	Output is correct
28	Correct	10 ms	47608 KB	Output is correct
29	Correct	192 ms	238420 KB	Output is correct
30	Correct	246 ms	288680 KB	Output is correct
31	Correct	83 ms	216656 KB	Output is correct
32	Correct	37 ms	196432 KB	Output is correct
33	Correct	38 ms	196272 KB	Output is correct
34	Correct	334 ms	302976 KB	Output is correct
35	Correct	345 ms	303396 KB	Output is correct
36	Correct	38 ms	196688 KB	Output is correct
37	Incorrect	122 ms	216144 KB	Output isn't correct
38	Halted	0 ms	0 KB	-

Subtask #4
0 / 26.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	5 ms	8540 KB	Output is correct
2	Correct	5 ms	8548 KB	Output is correct
3	Correct	3 ms	8536 KB	Output is correct
4	Correct	3 ms	8540 KB	Output is correct
5	Correct	3 ms	8476 KB	Output is correct
6	Correct	3 ms	8540 KB	Output is correct
7	Correct	4 ms	8544 KB	Output is correct
8	Correct	3 ms	8540 KB	Output is correct
9	Correct	4 ms	8540 KB	Output is correct
10	Correct	3 ms	8540 KB	Output is correct
11	Correct	5 ms	8540 KB	Output is correct
12	Correct	5 ms	8540 KB	Output is correct
13	Correct	5 ms	8540 KB	Output is correct
14	Correct	4 ms	8536 KB	Output is correct
15	Correct	5 ms	8536 KB	Output is correct
16	Correct	4 ms	8540 KB	Output is correct
17	Correct	5 ms	22872 KB	Output is correct
18	Correct	11 ms	47448 KB	Output is correct
19	Correct	12 ms	47452 KB	Output is correct
20	Correct	8 ms	47452 KB	Output is correct
21	Correct	8 ms	47452 KB	Output is correct
22	Correct	10 ms	47560 KB	Output is correct
23	Correct	10 ms	47448 KB	Output is correct
24	Correct	8 ms	47448 KB	Output is correct
25	Correct	11 ms	47448 KB	Output is correct
26	Correct	10 ms	47452 KB	Output is correct
27	Correct	9 ms	47644 KB	Output is correct
28	Correct	10 ms	47608 KB	Output is correct
29	Correct	192 ms	238420 KB	Output is correct
30	Correct	246 ms	288680 KB	Output is correct
31	Correct	83 ms	216656 KB	Output is correct
32	Correct	37 ms	196432 KB	Output is correct
33	Correct	38 ms	196272 KB	Output is correct
34	Correct	334 ms	302976 KB	Output is correct
35	Correct	345 ms	303396 KB	Output is correct
36	Correct	38 ms	196688 KB	Output is correct
37	Incorrect	122 ms	216144 KB	Output isn't correct
38	Halted	0 ms	0 KB	-

Subtask #5
0 / 13.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	5 ms	8540 KB	Output is correct
2	Correct	5 ms	8548 KB	Output is correct
3	Correct	3 ms	8536 KB	Output is correct
4	Correct	3 ms	8540 KB	Output is correct
5	Correct	3 ms	8476 KB	Output is correct
6	Correct	3 ms	8540 KB	Output is correct
7	Correct	4 ms	8544 KB	Output is correct
8	Correct	3 ms	8540 KB	Output is correct
9	Correct	4 ms	8540 KB	Output is correct
10	Correct	3 ms	8540 KB	Output is correct
11	Correct	5 ms	8540 KB	Output is correct
12	Correct	5 ms	8540 KB	Output is correct
13	Correct	5 ms	8540 KB	Output is correct
14	Correct	4 ms	8536 KB	Output is correct
15	Correct	5 ms	8536 KB	Output is correct
16	Correct	4 ms	8540 KB	Output is correct
17	Correct	5 ms	22872 KB	Output is correct
18	Correct	11 ms	47448 KB	Output is correct
19	Correct	12 ms	47452 KB	Output is correct
20	Correct	8 ms	47452 KB	Output is correct
21	Correct	8 ms	47452 KB	Output is correct
22	Correct	10 ms	47560 KB	Output is correct
23	Correct	10 ms	47448 KB	Output is correct
24	Correct	8 ms	47448 KB	Output is correct
25	Correct	11 ms	47448 KB	Output is correct
26	Correct	10 ms	47452 KB	Output is correct
27	Correct	9 ms	47644 KB	Output is correct
28	Correct	10 ms	47608 KB	Output is correct
29	Correct	192 ms	238420 KB	Output is correct
30	Correct	246 ms	288680 KB	Output is correct
31	Correct	83 ms	216656 KB	Output is correct
32	Correct	37 ms	196432 KB	Output is correct
33	Correct	38 ms	196272 KB	Output is correct
34	Correct	334 ms	302976 KB	Output is correct
35	Correct	345 ms	303396 KB	Output is correct
36	Correct	38 ms	196688 KB	Output is correct
37	Incorrect	122 ms	216144 KB	Output isn't correct
38	Halted	0 ms	0 KB	-

Submission #931758

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