답안 #1090874

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1090874 2024-09-19T01:35:54 Z eltu0815 Chorus (JOI23_chorus) C++14
40 / 100
7000 ms 99164 KB
#include <bits/stdc++.h>
#define MAX 300005
#define MOD (ll)(1048573)
#define INF (ll)(1e18)
#define inf (int)(1e9)
#define eps (double)(1e-8)
 
using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
 
int tt, n, m, k, q;
string str;

ll cnt[MAX], sum[MAX], pos[MAX];
ll dp[5005][5005];

int main() {
    ios::sync_with_stdio(0);
    cin.tie(NULL);
    
    cin >> n >> k >> str;
    for(int i = 0, tmp = 0, p = 0; i < 2 * n; ++i) {
        if(str[i] == 'A') cnt[++p] = tmp;
        else ++tmp;
    }
    
    for(int i = 0, j = 1; i <= n; ++i) {
        while(j <= n && cnt[j] < i) ++j;
        pos[i] = max(i + 1, j);
    }
    for(int i = 1; i <= n; ++i) sum[i] = sum[i - 1] + cnt[i];
    
    for(int i = 0; i <= n; ++i) for(int j = 0; j <= k; ++j) dp[i][j] = INF;
    
    dp[0][0] = 0;
    for(int i = 1; i <= n; ++i) for(int j = 1; j <= k; ++j) {
        for(int ii = 0; ii < i; ++ii) {
            if(pos[ii] <= i) dp[i][j] = min(dp[i][j], dp[ii][j - 1] + sum[i] - sum[pos[ii] - 1] - (i - pos[ii] + 1) * ii);
            else dp[i][j] = min(dp[i][j], dp[ii][j - 1]);
        }
    }
    
    cout << dp[n][k];
    return 0;
}

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 460 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 452 KB Output is correct
9 Correct 0 ms 460 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 600 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 0 ms 344 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 460 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 452 KB Output is correct
9 Correct 0 ms 460 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 600 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 0 ms 344 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 2 ms 1116 KB Output is correct
18 Correct 20 ms 2904 KB Output is correct
19 Correct 62 ms 3576 KB Output is correct
20 Correct 2 ms 2396 KB Output is correct
21 Correct 1 ms 2396 KB Output is correct
22 Correct 107 ms 4444 KB Output is correct
23 Correct 101 ms 4440 KB Output is correct
24 Correct 3 ms 2396 KB Output is correct
25 Correct 101 ms 4472 KB Output is correct
26 Correct 84 ms 4140 KB Output is correct
27 Correct 34 ms 3192 KB Output is correct
28 Correct 39 ms 3160 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 460 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 452 KB Output is correct
9 Correct 0 ms 460 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 600 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 0 ms 344 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 2 ms 1116 KB Output is correct
18 Correct 20 ms 2904 KB Output is correct
19 Correct 62 ms 3576 KB Output is correct
20 Correct 2 ms 2396 KB Output is correct
21 Correct 1 ms 2396 KB Output is correct
22 Correct 107 ms 4444 KB Output is correct
23 Correct 101 ms 4440 KB Output is correct
24 Correct 3 ms 2396 KB Output is correct
25 Correct 101 ms 4472 KB Output is correct
26 Correct 84 ms 4140 KB Output is correct
27 Correct 34 ms 3192 KB Output is correct
28 Correct 39 ms 3160 KB Output is correct
29 Execution timed out 7104 ms 99164 KB Time limit exceeded
30 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 460 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 452 KB Output is correct
9 Correct 0 ms 460 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 600 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 0 ms 344 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 2 ms 1116 KB Output is correct
18 Correct 20 ms 2904 KB Output is correct
19 Correct 62 ms 3576 KB Output is correct
20 Correct 2 ms 2396 KB Output is correct
21 Correct 1 ms 2396 KB Output is correct
22 Correct 107 ms 4444 KB Output is correct
23 Correct 101 ms 4440 KB Output is correct
24 Correct 3 ms 2396 KB Output is correct
25 Correct 101 ms 4472 KB Output is correct
26 Correct 84 ms 4140 KB Output is correct
27 Correct 34 ms 3192 KB Output is correct
28 Correct 39 ms 3160 KB Output is correct
29 Execution timed out 7104 ms 99164 KB Time limit exceeded
30 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 460 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 452 KB Output is correct
9 Correct 0 ms 460 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 600 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 0 ms 344 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 2 ms 1116 KB Output is correct
18 Correct 20 ms 2904 KB Output is correct
19 Correct 62 ms 3576 KB Output is correct
20 Correct 2 ms 2396 KB Output is correct
21 Correct 1 ms 2396 KB Output is correct
22 Correct 107 ms 4444 KB Output is correct
23 Correct 101 ms 4440 KB Output is correct
24 Correct 3 ms 2396 KB Output is correct
25 Correct 101 ms 4472 KB Output is correct
26 Correct 84 ms 4140 KB Output is correct
27 Correct 34 ms 3192 KB Output is correct
28 Correct 39 ms 3160 KB Output is correct
29 Execution timed out 7104 ms 99164 KB Time limit exceeded
30 Halted 0 ms 0 KB -