답안 #746273

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
746273	2023-05-22T06:36:58 Z	baluteshih	Chorus (JOI23_chorus)	C++14	40 / 100	85 ms	2296 KB

chorus

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
#define X first
#define Y second
#define SZ(a) ((int)a.size())
#define ALL(v) v.begin(), v.end()
#define pb push_back

int lft[1000005];

int main() {
    ios::sync_with_stdio(0), cin.tie(0);
    int n, k;
    string s;
    cin >> n >> k >> s;
    if (n > 500) return 0;

    int cntA = 0, cntB = 0;
    for (int i = 0; i < n + n; ++i) {
        if (s[i] == 'B') ++cntB;
        else lft[++cntA] = cntB;
    }

    const ll INF = 1e18;
    vector<vector<ll>> dp(k + 1, vector<ll>(n + 1, INF));
    ll fin = INF;
    dp[0][0] = 0;
    for (int i = 0; i < k; ++i) {
        for (int j = 1; j <= n; ++j) {
            ll sum = 0;
            for (int p = j; p <= n; ++p) {
                sum += max(0, lft[p] - (j - 1));
                dp[i + 1][p] = min(dp[i + 1][p], dp[i][j - 1] + sum);
            }
        }
        fin = min(fin, dp[i + 1][n]);
    }

    cout << fin << "\n";
}

Subtask #1
16.0 / 16.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	1 ms	300 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	0 ms	212 KB	Output is correct
13	Correct	0 ms	212 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	0 ms	212 KB	Output is correct

Subtask #2
24.0 / 24.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	1 ms	300 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	0 ms	212 KB	Output is correct
13	Correct	0 ms	212 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	0 ms	212 KB	Output is correct
17	Correct	2 ms	340 KB	Output is correct
18	Correct	15 ms	596 KB	Output is correct
19	Correct	43 ms	1364 KB	Output is correct
20	Correct	1 ms	340 KB	Output is correct
21	Correct	1 ms	340 KB	Output is correct
22	Correct	81 ms	2260 KB	Output is correct
23	Correct	85 ms	2296 KB	Output is correct
24	Correct	2 ms	340 KB	Output is correct
25	Correct	82 ms	2260 KB	Output is correct
26	Correct	70 ms	1960 KB	Output is correct
27	Correct	27 ms	980 KB	Output is correct
28	Correct	27 ms	980 KB	Output is correct

Subtask #3
0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	1 ms	300 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	0 ms	212 KB	Output is correct
13	Correct	0 ms	212 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	0 ms	212 KB	Output is correct
17	Correct	2 ms	340 KB	Output is correct
18	Correct	15 ms	596 KB	Output is correct
19	Correct	43 ms	1364 KB	Output is correct
20	Correct	1 ms	340 KB	Output is correct
21	Correct	1 ms	340 KB	Output is correct
22	Correct	81 ms	2260 KB	Output is correct
23	Correct	85 ms	2296 KB	Output is correct
24	Correct	2 ms	340 KB	Output is correct
25	Correct	82 ms	2260 KB	Output is correct
26	Correct	70 ms	1960 KB	Output is correct
27	Correct	27 ms	980 KB	Output is correct
28	Correct	27 ms	980 KB	Output is correct
29	Incorrect	0 ms	340 KB	Output isn't correct
30	Halted	0 ms	0 KB	-

Subtask #4
0 / 26.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	1 ms	300 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	0 ms	212 KB	Output is correct
13	Correct	0 ms	212 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	0 ms	212 KB	Output is correct
17	Correct	2 ms	340 KB	Output is correct
18	Correct	15 ms	596 KB	Output is correct
19	Correct	43 ms	1364 KB	Output is correct
20	Correct	1 ms	340 KB	Output is correct
21	Correct	1 ms	340 KB	Output is correct
22	Correct	81 ms	2260 KB	Output is correct
23	Correct	85 ms	2296 KB	Output is correct
24	Correct	2 ms	340 KB	Output is correct
25	Correct	82 ms	2260 KB	Output is correct
26	Correct	70 ms	1960 KB	Output is correct
27	Correct	27 ms	980 KB	Output is correct
28	Correct	27 ms	980 KB	Output is correct
29	Incorrect	0 ms	340 KB	Output isn't correct
30	Halted	0 ms	0 KB	-

Subtask #5
0 / 13.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	1 ms	300 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	0 ms	212 KB	Output is correct
13	Correct	0 ms	212 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	0 ms	212 KB	Output is correct
17	Correct	2 ms	340 KB	Output is correct
18	Correct	15 ms	596 KB	Output is correct
19	Correct	43 ms	1364 KB	Output is correct
20	Correct	1 ms	340 KB	Output is correct
21	Correct	1 ms	340 KB	Output is correct
22	Correct	81 ms	2260 KB	Output is correct
23	Correct	85 ms	2296 KB	Output is correct
24	Correct	2 ms	340 KB	Output is correct
25	Correct	82 ms	2260 KB	Output is correct
26	Correct	70 ms	1960 KB	Output is correct
27	Correct	27 ms	980 KB	Output is correct
28	Correct	27 ms	980 KB	Output is correct
29	Incorrect	0 ms	340 KB	Output isn't correct
30	Halted	0 ms	0 KB	-

답안 #746273

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