답안 #906220

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
906220	2024-01-13T19:02:37 Z	LucaIlie	Chorus (JOI23_chorus)	C++17	40 / 100	7000 ms	96944 KB

chorus

#include <bits/stdc++.h>

using namespace std;

const int MAX_N = 5e3;
int a[MAX_N + 1], sa[MAX_N + 1], dp[MAX_N + 1][MAX_N + 1];

int main() {
    int n, k;

    cin >> n >> k;

    int countB = 0, countA = 0;
    for ( int i = 0; i < 2 * n; i++ ) {
        char ch;
        cin >> ch;
        if ( ch == 'A' )
            countA++;
        else {
            countB++;
            a[countB] = countA;
            sa[countB] = sa[countB - 1] + a[countB];
        }
    }

    for ( int i = 1; i <= n; i++ )
        dp[i][0] = n * n;
    for ( int l = 1; l <= k; l++ ) {
        for ( int i = 1; i <= n; i++ ) {
            dp[i][l] = n * n;
            int p = i;
            for ( int j = i - 1; j >= 0 && a[j + 1] >= i; j-- ) {
                dp[i][l] = min( dp[i][l], dp[j][l - 1] );
                p = j;
            }
            for ( int j = p - 1; j >= 0; j-- )
                dp[i][l] = min( dp[i][l], dp[j][l - 1] + i * (p - j) - sa[p] + sa[j] );
        }
    }

    cout << dp[n][k];

    return 0;
}

Subtask #1
16.0 / 16.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	600 KB	Output is correct
4	Correct	1 ms	2396 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	1 ms	2396 KB	Output is correct
8	Correct	1 ms	2392 KB	Output is correct
9	Correct	1 ms	2396 KB	Output is correct
10	Correct	1 ms	2396 KB	Output is correct
11	Correct	1 ms	2396 KB	Output is correct
12	Correct	1 ms	2396 KB	Output is correct
13	Correct	1 ms	2396 KB	Output is correct
14	Correct	1 ms	2396 KB	Output is correct
15	Correct	1 ms	2396 KB	Output is correct
16	Correct	1 ms	2396 KB	Output is correct

Subtask #2
24.0 / 24.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	600 KB	Output is correct
4	Correct	1 ms	2396 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	1 ms	2396 KB	Output is correct
8	Correct	1 ms	2392 KB	Output is correct
9	Correct	1 ms	2396 KB	Output is correct
10	Correct	1 ms	2396 KB	Output is correct
11	Correct	1 ms	2396 KB	Output is correct
12	Correct	1 ms	2396 KB	Output is correct
13	Correct	1 ms	2396 KB	Output is correct
14	Correct	1 ms	2396 KB	Output is correct
15	Correct	1 ms	2396 KB	Output is correct
16	Correct	1 ms	2396 KB	Output is correct
17	Correct	2 ms	4444 KB	Output is correct
18	Correct	18 ms	10588 KB	Output is correct
19	Correct	42 ms	10996 KB	Output is correct
20	Correct	2 ms	10840 KB	Output is correct
21	Correct	2 ms	10588 KB	Output is correct
22	Correct	69 ms	10584 KB	Output is correct
23	Correct	68 ms	10588 KB	Output is correct
24	Correct	4 ms	10584 KB	Output is correct
25	Correct	79 ms	10584 KB	Output is correct
26	Correct	57 ms	10584 KB	Output is correct
27	Correct	24 ms	10588 KB	Output is correct
28	Correct	25 ms	10588 KB	Output is correct

Subtask #3
0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	600 KB	Output is correct
4	Correct	1 ms	2396 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	1 ms	2396 KB	Output is correct
8	Correct	1 ms	2392 KB	Output is correct
9	Correct	1 ms	2396 KB	Output is correct
10	Correct	1 ms	2396 KB	Output is correct
11	Correct	1 ms	2396 KB	Output is correct
12	Correct	1 ms	2396 KB	Output is correct
13	Correct	1 ms	2396 KB	Output is correct
14	Correct	1 ms	2396 KB	Output is correct
15	Correct	1 ms	2396 KB	Output is correct
16	Correct	1 ms	2396 KB	Output is correct
17	Correct	2 ms	4444 KB	Output is correct
18	Correct	18 ms	10588 KB	Output is correct
19	Correct	42 ms	10996 KB	Output is correct
20	Correct	2 ms	10840 KB	Output is correct
21	Correct	2 ms	10588 KB	Output is correct
22	Correct	69 ms	10584 KB	Output is correct
23	Correct	68 ms	10588 KB	Output is correct
24	Correct	4 ms	10584 KB	Output is correct
25	Correct	79 ms	10584 KB	Output is correct
26	Correct	57 ms	10584 KB	Output is correct
27	Correct	24 ms	10588 KB	Output is correct
28	Correct	25 ms	10588 KB	Output is correct
29	Execution timed out	7044 ms	96944 KB	Time limit exceeded
30	Halted	0 ms	0 KB	-

Subtask #4
0 / 26.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	600 KB	Output is correct
4	Correct	1 ms	2396 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	1 ms	2396 KB	Output is correct
8	Correct	1 ms	2392 KB	Output is correct
9	Correct	1 ms	2396 KB	Output is correct
10	Correct	1 ms	2396 KB	Output is correct
11	Correct	1 ms	2396 KB	Output is correct
12	Correct	1 ms	2396 KB	Output is correct
13	Correct	1 ms	2396 KB	Output is correct
14	Correct	1 ms	2396 KB	Output is correct
15	Correct	1 ms	2396 KB	Output is correct
16	Correct	1 ms	2396 KB	Output is correct
17	Correct	2 ms	4444 KB	Output is correct
18	Correct	18 ms	10588 KB	Output is correct
19	Correct	42 ms	10996 KB	Output is correct
20	Correct	2 ms	10840 KB	Output is correct
21	Correct	2 ms	10588 KB	Output is correct
22	Correct	69 ms	10584 KB	Output is correct
23	Correct	68 ms	10588 KB	Output is correct
24	Correct	4 ms	10584 KB	Output is correct
25	Correct	79 ms	10584 KB	Output is correct
26	Correct	57 ms	10584 KB	Output is correct
27	Correct	24 ms	10588 KB	Output is correct
28	Correct	25 ms	10588 KB	Output is correct
29	Execution timed out	7044 ms	96944 KB	Time limit exceeded
30	Halted	0 ms	0 KB	-

Subtask #5
0 / 13.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	600 KB	Output is correct
4	Correct	1 ms	2396 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	1 ms	2396 KB	Output is correct
8	Correct	1 ms	2392 KB	Output is correct
9	Correct	1 ms	2396 KB	Output is correct
10	Correct	1 ms	2396 KB	Output is correct
11	Correct	1 ms	2396 KB	Output is correct
12	Correct	1 ms	2396 KB	Output is correct
13	Correct	1 ms	2396 KB	Output is correct
14	Correct	1 ms	2396 KB	Output is correct
15	Correct	1 ms	2396 KB	Output is correct
16	Correct	1 ms	2396 KB	Output is correct
17	Correct	2 ms	4444 KB	Output is correct
18	Correct	18 ms	10588 KB	Output is correct
19	Correct	42 ms	10996 KB	Output is correct
20	Correct	2 ms	10840 KB	Output is correct
21	Correct	2 ms	10588 KB	Output is correct
22	Correct	69 ms	10584 KB	Output is correct
23	Correct	68 ms	10588 KB	Output is correct
24	Correct	4 ms	10584 KB	Output is correct
25	Correct	79 ms	10584 KB	Output is correct
26	Correct	57 ms	10584 KB	Output is correct
27	Correct	24 ms	10588 KB	Output is correct
28	Correct	25 ms	10588 KB	Output is correct
29	Execution timed out	7044 ms	96944 KB	Time limit exceeded
30	Halted	0 ms	0 KB	-

답안 #906220

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