답안 #950481

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
950481	2024-03-20T11:00:21 Z	andrei_boaca	Chorus (JOI23_chorus)	C++17	40 / 100	7000 ms	59964 KB

chorus

#include <bits/stdc++.h>

using namespace std;
typedef long long ll;
const ll INF=1e17;
ll n,k,lga,lgb,makegood;
ll A[1000005],B[1000005];
ll dp[5005][5005];
string str;
int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cin>>n>>k;
    cin>>str;
    for(int i=0;i<str.size();i++)
    {
        if(str[i]=='A')
            A[++lga]=i+1;
        else
            B[++lgb]=i+1;
    }
    for(int i=1;i<=n;i++)
        if(A[i]>B[i])
        {
            ll x=A[i];
            A[i]=B[i];
            for(int j=i;j<=n;j++)
            {
                if(B[j]<x)
                {
                    B[j]++;
                    makegood++;
                }
                else
                    break;
            }
        }
    for(int i=n;i>=1;i--)
    {
        dp[i][0]=INF;
        for(int cnt=1;cnt<=k;cnt++)
        {
            ll suma=0;
            ll cost=0;
            int ind=i;
            dp[i][cnt]=dp[i+1][cnt-1];
            for(int j=i+1;j<=n;j++)
            {
                while(ind<=n&&B[ind]<A[j])
                {
                    suma++;
                    ind++;
                }
                cost+=suma;
                dp[i][cnt]=min(dp[i][cnt],cost+dp[j+1][cnt-1]);
            }
        }
    }
    cout<<dp[1][k]+makegood;
    return 0;
}

Compilation message

chorus.cpp: In function 'int main()':
chorus.cpp:16:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   16 |     for(int i=0;i<str.size();i++)
      |                 ~^~~~~~~~~~~

Subtask #1

16.0 / 16.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	6488 KB	Output is correct
2	Correct	1 ms	6492 KB	Output is correct
3	Correct	1 ms	4444 KB	Output is correct
4	Correct	1 ms	6492 KB	Output is correct
5	Correct	1 ms	4444 KB	Output is correct
6	Correct	1 ms	6492 KB	Output is correct
7	Correct	1 ms	6744 KB	Output is correct
8	Correct	1 ms	6492 KB	Output is correct
9	Correct	1 ms	6492 KB	Output is correct
10	Correct	1 ms	6492 KB	Output is correct
11	Correct	2 ms	6488 KB	Output is correct
12	Correct	1 ms	6492 KB	Output is correct
13	Correct	1 ms	6604 KB	Output is correct
14	Correct	1 ms	6492 KB	Output is correct
15	Correct	1 ms	6492 KB	Output is correct
16	Correct	1 ms	6492 KB	Output is correct

Subtask #2

24.0 / 24.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	6488 KB	Output is correct
2	Correct	1 ms	6492 KB	Output is correct
3	Correct	1 ms	4444 KB	Output is correct
4	Correct	1 ms	6492 KB	Output is correct
5	Correct	1 ms	4444 KB	Output is correct
6	Correct	1 ms	6492 KB	Output is correct
7	Correct	1 ms	6744 KB	Output is correct
8	Correct	1 ms	6492 KB	Output is correct
9	Correct	1 ms	6492 KB	Output is correct
10	Correct	1 ms	6492 KB	Output is correct
11	Correct	2 ms	6488 KB	Output is correct
12	Correct	1 ms	6492 KB	Output is correct
13	Correct	1 ms	6604 KB	Output is correct
14	Correct	1 ms	6492 KB	Output is correct
15	Correct	1 ms	6492 KB	Output is correct
16	Correct	1 ms	6492 KB	Output is correct
17	Correct	4 ms	12636 KB	Output is correct
18	Correct	35 ms	25168 KB	Output is correct
19	Correct	83 ms	25056 KB	Output is correct
20	Correct	3 ms	24924 KB	Output is correct
21	Correct	4 ms	25044 KB	Output is correct
22	Correct	110 ms	25052 KB	Output is correct
23	Correct	108 ms	25068 KB	Output is correct
24	Correct	7 ms	24924 KB	Output is correct
25	Correct	108 ms	25052 KB	Output is correct
26	Correct	91 ms	25064 KB	Output is correct
27	Correct	50 ms	25056 KB	Output is correct
28	Correct	38 ms	24912 KB	Output is correct

Subtask #3

0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	6488 KB	Output is correct
2	Correct	1 ms	6492 KB	Output is correct
3	Correct	1 ms	4444 KB	Output is correct
4	Correct	1 ms	6492 KB	Output is correct
5	Correct	1 ms	4444 KB	Output is correct
6	Correct	1 ms	6492 KB	Output is correct
7	Correct	1 ms	6744 KB	Output is correct
8	Correct	1 ms	6492 KB	Output is correct
9	Correct	1 ms	6492 KB	Output is correct
10	Correct	1 ms	6492 KB	Output is correct
11	Correct	2 ms	6488 KB	Output is correct
12	Correct	1 ms	6492 KB	Output is correct
13	Correct	1 ms	6604 KB	Output is correct
14	Correct	1 ms	6492 KB	Output is correct
15	Correct	1 ms	6492 KB	Output is correct
16	Correct	1 ms	6492 KB	Output is correct
17	Correct	4 ms	12636 KB	Output is correct
18	Correct	35 ms	25168 KB	Output is correct
19	Correct	83 ms	25056 KB	Output is correct
20	Correct	3 ms	24924 KB	Output is correct
21	Correct	4 ms	25044 KB	Output is correct
22	Correct	110 ms	25052 KB	Output is correct
23	Correct	108 ms	25068 KB	Output is correct
24	Correct	7 ms	24924 KB	Output is correct
25	Correct	108 ms	25052 KB	Output is correct
26	Correct	91 ms	25064 KB	Output is correct
27	Correct	50 ms	25056 KB	Output is correct
28	Correct	38 ms	24912 KB	Output is correct
29	Execution timed out	7018 ms	59964 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	6488 KB	Output is correct
2	Correct	1 ms	6492 KB	Output is correct
3	Correct	1 ms	4444 KB	Output is correct
4	Correct	1 ms	6492 KB	Output is correct
5	Correct	1 ms	4444 KB	Output is correct
6	Correct	1 ms	6492 KB	Output is correct
7	Correct	1 ms	6744 KB	Output is correct
8	Correct	1 ms	6492 KB	Output is correct
9	Correct	1 ms	6492 KB	Output is correct
10	Correct	1 ms	6492 KB	Output is correct
11	Correct	2 ms	6488 KB	Output is correct
12	Correct	1 ms	6492 KB	Output is correct
13	Correct	1 ms	6604 KB	Output is correct
14	Correct	1 ms	6492 KB	Output is correct
15	Correct	1 ms	6492 KB	Output is correct
16	Correct	1 ms	6492 KB	Output is correct
17	Correct	4 ms	12636 KB	Output is correct
18	Correct	35 ms	25168 KB	Output is correct
19	Correct	83 ms	25056 KB	Output is correct
20	Correct	3 ms	24924 KB	Output is correct
21	Correct	4 ms	25044 KB	Output is correct
22	Correct	110 ms	25052 KB	Output is correct
23	Correct	108 ms	25068 KB	Output is correct
24	Correct	7 ms	24924 KB	Output is correct
25	Correct	108 ms	25052 KB	Output is correct
26	Correct	91 ms	25064 KB	Output is correct
27	Correct	50 ms	25056 KB	Output is correct
28	Correct	38 ms	24912 KB	Output is correct
29	Execution timed out	7018 ms	59964 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	6488 KB	Output is correct
2	Correct	1 ms	6492 KB	Output is correct
3	Correct	1 ms	4444 KB	Output is correct
4	Correct	1 ms	6492 KB	Output is correct
5	Correct	1 ms	4444 KB	Output is correct
6	Correct	1 ms	6492 KB	Output is correct
7	Correct	1 ms	6744 KB	Output is correct
8	Correct	1 ms	6492 KB	Output is correct
9	Correct	1 ms	6492 KB	Output is correct
10	Correct	1 ms	6492 KB	Output is correct
11	Correct	2 ms	6488 KB	Output is correct
12	Correct	1 ms	6492 KB	Output is correct
13	Correct	1 ms	6604 KB	Output is correct
14	Correct	1 ms	6492 KB	Output is correct
15	Correct	1 ms	6492 KB	Output is correct
16	Correct	1 ms	6492 KB	Output is correct
17	Correct	4 ms	12636 KB	Output is correct
18	Correct	35 ms	25168 KB	Output is correct
19	Correct	83 ms	25056 KB	Output is correct
20	Correct	3 ms	24924 KB	Output is correct
21	Correct	4 ms	25044 KB	Output is correct
22	Correct	110 ms	25052 KB	Output is correct
23	Correct	108 ms	25068 KB	Output is correct
24	Correct	7 ms	24924 KB	Output is correct
25	Correct	108 ms	25052 KB	Output is correct
26	Correct	91 ms	25064 KB	Output is correct
27	Correct	50 ms	25056 KB	Output is correct
28	Correct	38 ms	24912 KB	Output is correct
29	Execution timed out	7018 ms	59964 KB	Time limit exceeded
30	Halted	0 ms	0 KB	-