답안 #961888

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
961888	2024-04-12T16:49:39 Z	RaresFelix	Chorus (JOI23_chorus)	C++17	40 / 100	7000 ms	268864 KB

chorus

#include <bits/stdc++.h>
//#pragma GCC optimize("O3")
//#pragma GCC target("avx,avx2,fma")

#define sz(x) int((x).size())
#define all(x) (x).begin(), (x).end()
#define rall(x) (x).rbegin(), (x).rend()

using namespace std;

#define int ll

using ll = long long;
using ld = long double;  // or double, if TL is tight
using str = string; 
using ii = pair<int, int>;
using pl = pair<ll, ll>;
using vi = vector<int>;
using vll = vector<ll>;


signed main() {
    cin.tie(0);
    ios_base::sync_with_stdio(0);
    int n, k;
    string s;
    cin >> n >> k >> s;
    int nrB = 0;
    vi A;
    for(int i = 0; i < 2 * n; ++i) {
        if(s[i] == 'B') ++nrB;
        else A.push_back(nrB);
    }
    const int INF = 1e9;
    vector<vi> Cost(n, vi(n, 0));
    for(int i = 0; i < n; ++i) {
        for(int j = i; j < n; ++j) {
            Cost[i][j] = max(0ll, A[j] - i);
            if(j) Cost[i][j] += Cost[i][j - 1];
        }
    }
    vector<vi> DP(n, vi(k + 1, INF));
    for(int i = 0; i < n; ++i) {
        for(int j = 1; j <= k; ++j) {
            if(j == 1) DP[i][j] = Cost[0][i];
            for(int ant = 1; ant <= i; ++ant) {
                DP[i][j] = min(DP[i][j], DP[ant - 1][j - 1] + Cost[ant][i]);
            }
        }
    }
    cout << DP[n - 1][k] << "\n";
    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	1 ms	344 KB	Output is correct
3	Correct	0 ms	344 KB	Output is correct
4	Correct	1 ms	456 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	344 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	344 KB	Output is correct
10	Correct	0 ms	344 KB	Output is correct
11	Correct	0 ms	452 KB	Output is correct
12	Correct	0 ms	344 KB	Output is correct
13	Correct	1 ms	600 KB	Output is correct
14	Correct	1 ms	344 KB	Output is correct
15	Correct	1 ms	344 KB	Output is correct
16	Correct	0 ms	348 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	1 ms	344 KB	Output is correct
3	Correct	0 ms	344 KB	Output is correct
4	Correct	1 ms	456 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	344 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	344 KB	Output is correct
10	Correct	0 ms	344 KB	Output is correct
11	Correct	0 ms	452 KB	Output is correct
12	Correct	0 ms	344 KB	Output is correct
13	Correct	1 ms	600 KB	Output is correct
14	Correct	1 ms	344 KB	Output is correct
15	Correct	1 ms	344 KB	Output is correct
16	Correct	0 ms	348 KB	Output is correct
17	Correct	1 ms	604 KB	Output is correct
18	Correct	19 ms	2652 KB	Output is correct
19	Correct	61 ms	3516 KB	Output is correct
20	Correct	2 ms	2396 KB	Output is correct
21	Correct	2 ms	2396 KB	Output is correct
22	Correct	104 ms	4400 KB	Output is correct
23	Correct	111 ms	4400 KB	Output is correct
24	Correct	4 ms	2396 KB	Output is correct
25	Correct	106 ms	4400 KB	Output is correct
26	Correct	99 ms	4072 KB	Output is correct
27	Correct	35 ms	2904 KB	Output is correct
28	Correct	36 ms	2908 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	1 ms	344 KB	Output is correct
3	Correct	0 ms	344 KB	Output is correct
4	Correct	1 ms	456 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	344 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	344 KB	Output is correct
10	Correct	0 ms	344 KB	Output is correct
11	Correct	0 ms	452 KB	Output is correct
12	Correct	0 ms	344 KB	Output is correct
13	Correct	1 ms	600 KB	Output is correct
14	Correct	1 ms	344 KB	Output is correct
15	Correct	1 ms	344 KB	Output is correct
16	Correct	0 ms	348 KB	Output is correct
17	Correct	1 ms	604 KB	Output is correct
18	Correct	19 ms	2652 KB	Output is correct
19	Correct	61 ms	3516 KB	Output is correct
20	Correct	2 ms	2396 KB	Output is correct
21	Correct	2 ms	2396 KB	Output is correct
22	Correct	104 ms	4400 KB	Output is correct
23	Correct	111 ms	4400 KB	Output is correct
24	Correct	4 ms	2396 KB	Output is correct
25	Correct	106 ms	4400 KB	Output is correct
26	Correct	99 ms	4072 KB	Output is correct
27	Correct	35 ms	2904 KB	Output is correct
28	Correct	36 ms	2908 KB	Output is correct
29	Execution timed out	7045 ms	268864 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	1 ms	344 KB	Output is correct
3	Correct	0 ms	344 KB	Output is correct
4	Correct	1 ms	456 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	344 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	344 KB	Output is correct
10	Correct	0 ms	344 KB	Output is correct
11	Correct	0 ms	452 KB	Output is correct
12	Correct	0 ms	344 KB	Output is correct
13	Correct	1 ms	600 KB	Output is correct
14	Correct	1 ms	344 KB	Output is correct
15	Correct	1 ms	344 KB	Output is correct
16	Correct	0 ms	348 KB	Output is correct
17	Correct	1 ms	604 KB	Output is correct
18	Correct	19 ms	2652 KB	Output is correct
19	Correct	61 ms	3516 KB	Output is correct
20	Correct	2 ms	2396 KB	Output is correct
21	Correct	2 ms	2396 KB	Output is correct
22	Correct	104 ms	4400 KB	Output is correct
23	Correct	111 ms	4400 KB	Output is correct
24	Correct	4 ms	2396 KB	Output is correct
25	Correct	106 ms	4400 KB	Output is correct
26	Correct	99 ms	4072 KB	Output is correct
27	Correct	35 ms	2904 KB	Output is correct
28	Correct	36 ms	2908 KB	Output is correct
29	Execution timed out	7045 ms	268864 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	1 ms	344 KB	Output is correct
3	Correct	0 ms	344 KB	Output is correct
4	Correct	1 ms	456 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	344 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	344 KB	Output is correct
10	Correct	0 ms	344 KB	Output is correct
11	Correct	0 ms	452 KB	Output is correct
12	Correct	0 ms	344 KB	Output is correct
13	Correct	1 ms	600 KB	Output is correct
14	Correct	1 ms	344 KB	Output is correct
15	Correct	1 ms	344 KB	Output is correct
16	Correct	0 ms	348 KB	Output is correct
17	Correct	1 ms	604 KB	Output is correct
18	Correct	19 ms	2652 KB	Output is correct
19	Correct	61 ms	3516 KB	Output is correct
20	Correct	2 ms	2396 KB	Output is correct
21	Correct	2 ms	2396 KB	Output is correct
22	Correct	104 ms	4400 KB	Output is correct
23	Correct	111 ms	4400 KB	Output is correct
24	Correct	4 ms	2396 KB	Output is correct
25	Correct	106 ms	4400 KB	Output is correct
26	Correct	99 ms	4072 KB	Output is correct
27	Correct	35 ms	2904 KB	Output is correct
28	Correct	36 ms	2908 KB	Output is correct
29	Execution timed out	7045 ms	268864 KB	Time limit exceeded
30	Halted	0 ms	0 KB	-