답안 #855244

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
855244	2023-10-01T03:29:03 Z	willychan	Chorus (JOI23_chorus)	C++14	61 / 100	840 ms	1372 KB

chorus

#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
//#include<bits/extc++.h>
//__gnu_pbds
const int N = 5005;
pair<ll,int> dp[N];
int Bpa[N];
int n,K;
bool ok(int v){
	for(int i=0;i<=n;i++) dp[i] = {1e18,0};
	dp[0]={0,0};
	for(int i=1;i<=n;i++){
		int cost = 0;
		for(int j=1;j<=i;j++){
			cost+=max(0,i-Bpa[i-j+1]);	
			dp[i] = min({dp[i-j].first+cost+v,dp[i-j].second+1},dp[i]);
		}
	}
	//cout<<(dp[n].second<=K)<<" "<<dp[n].first<<" "<<v<<"\n";
	return (dp[n].second<=K);
}
 
int main(){
	ios_base::sync_with_stdio(0),cin.tie(0),cout.tie(0);
	cin>>n>>K;			
	string s;cin>>s;
	int pa = 0;
	int pb = 0;
	for(int i=1;i<=2*n;i++){
		if(s[i-1]=='A') pa++;
		if(s[i-1]=='B') Bpa[++pb]=pa;
	}
	ll l = -1;ll r = 1e9;
	while(r-l>1){
		ll mid = l+((r-l)/2);
		if(ok(mid)) r = mid;
		else l = mid;
	}
	ok(r);
	//cout<<r<<"\n";
	cout<<dp[n].first-r*K<<"\n";
 
	return 0;
}

Subtask #1
16.0 / 16.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	344 KB	Output is correct
4	Correct	0 ms	344 KB	Output is correct
5	Correct	0 ms	344 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	468 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	1 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	344 KB	Output is correct
16	Correct	0 ms	344 KB	Output is correct

Subtask #2
24.0 / 24.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	344 KB	Output is correct
4	Correct	0 ms	344 KB	Output is correct
5	Correct	0 ms	344 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	468 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	1 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	344 KB	Output is correct
16	Correct	0 ms	344 KB	Output is correct
17	Correct	2 ms	348 KB	Output is correct
18	Correct	8 ms	348 KB	Output is correct
19	Correct	8 ms	476 KB	Output is correct
20	Correct	8 ms	348 KB	Output is correct
21	Correct	8 ms	344 KB	Output is correct
22	Correct	8 ms	348 KB	Output is correct
23	Correct	8 ms	460 KB	Output is correct
24	Correct	8 ms	476 KB	Output is correct
25	Correct	8 ms	476 KB	Output is correct
26	Correct	8 ms	476 KB	Output is correct
27	Correct	9 ms	348 KB	Output is correct
28	Correct	8 ms	480 KB	Output is correct

Subtask #3
21.0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	344 KB	Output is correct
4	Correct	0 ms	344 KB	Output is correct
5	Correct	0 ms	344 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	468 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	1 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	344 KB	Output is correct
16	Correct	0 ms	344 KB	Output is correct
17	Correct	2 ms	348 KB	Output is correct
18	Correct	8 ms	348 KB	Output is correct
19	Correct	8 ms	476 KB	Output is correct
20	Correct	8 ms	348 KB	Output is correct
21	Correct	8 ms	344 KB	Output is correct
22	Correct	8 ms	348 KB	Output is correct
23	Correct	8 ms	460 KB	Output is correct
24	Correct	8 ms	476 KB	Output is correct
25	Correct	8 ms	476 KB	Output is correct
26	Correct	8 ms	476 KB	Output is correct
27	Correct	9 ms	348 KB	Output is correct
28	Correct	8 ms	480 KB	Output is correct
29	Correct	809 ms	580 KB	Output is correct
30	Correct	809 ms	760 KB	Output is correct
31	Correct	798 ms	564 KB	Output is correct
32	Correct	732 ms	592 KB	Output is correct
33	Correct	732 ms	600 KB	Output is correct
34	Correct	840 ms	568 KB	Output is correct
35	Correct	787 ms	560 KB	Output is correct
36	Correct	808 ms	344 KB	Output is correct
37	Correct	821 ms	564 KB	Output is correct
38	Correct	828 ms	344 KB	Output is correct
39	Correct	823 ms	344 KB	Output is correct
40	Correct	822 ms	564 KB	Output is correct
41	Correct	822 ms	564 KB	Output is correct
42	Correct	816 ms	600 KB	Output is correct

Subtask #4
0 / 26.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	344 KB	Output is correct
4	Correct	0 ms	344 KB	Output is correct
5	Correct	0 ms	344 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	468 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	1 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	344 KB	Output is correct
16	Correct	0 ms	344 KB	Output is correct
17	Correct	2 ms	348 KB	Output is correct
18	Correct	8 ms	348 KB	Output is correct
19	Correct	8 ms	476 KB	Output is correct
20	Correct	8 ms	348 KB	Output is correct
21	Correct	8 ms	344 KB	Output is correct
22	Correct	8 ms	348 KB	Output is correct
23	Correct	8 ms	460 KB	Output is correct
24	Correct	8 ms	476 KB	Output is correct
25	Correct	8 ms	476 KB	Output is correct
26	Correct	8 ms	476 KB	Output is correct
27	Correct	9 ms	348 KB	Output is correct
28	Correct	8 ms	480 KB	Output is correct
29	Correct	809 ms	580 KB	Output is correct
30	Correct	809 ms	760 KB	Output is correct
31	Correct	798 ms	564 KB	Output is correct
32	Correct	732 ms	592 KB	Output is correct
33	Correct	732 ms	600 KB	Output is correct
34	Correct	840 ms	568 KB	Output is correct
35	Correct	787 ms	560 KB	Output is correct
36	Correct	808 ms	344 KB	Output is correct
37	Correct	821 ms	564 KB	Output is correct
38	Correct	828 ms	344 KB	Output is correct
39	Correct	823 ms	344 KB	Output is correct
40	Correct	822 ms	564 KB	Output is correct
41	Correct	822 ms	564 KB	Output is correct
42	Correct	816 ms	600 KB	Output is correct
43	Runtime error	2 ms	1372 KB	Execution killed with signal 11
44	Halted	0 ms	0 KB	-

Subtask #5
0 / 13.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	344 KB	Output is correct
4	Correct	0 ms	344 KB	Output is correct
5	Correct	0 ms	344 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	468 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	1 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	344 KB	Output is correct
16	Correct	0 ms	344 KB	Output is correct
17	Correct	2 ms	348 KB	Output is correct
18	Correct	8 ms	348 KB	Output is correct
19	Correct	8 ms	476 KB	Output is correct
20	Correct	8 ms	348 KB	Output is correct
21	Correct	8 ms	344 KB	Output is correct
22	Correct	8 ms	348 KB	Output is correct
23	Correct	8 ms	460 KB	Output is correct
24	Correct	8 ms	476 KB	Output is correct
25	Correct	8 ms	476 KB	Output is correct
26	Correct	8 ms	476 KB	Output is correct
27	Correct	9 ms	348 KB	Output is correct
28	Correct	8 ms	480 KB	Output is correct
29	Correct	809 ms	580 KB	Output is correct
30	Correct	809 ms	760 KB	Output is correct
31	Correct	798 ms	564 KB	Output is correct
32	Correct	732 ms	592 KB	Output is correct
33	Correct	732 ms	600 KB	Output is correct
34	Correct	840 ms	568 KB	Output is correct
35	Correct	787 ms	560 KB	Output is correct
36	Correct	808 ms	344 KB	Output is correct
37	Correct	821 ms	564 KB	Output is correct
38	Correct	828 ms	344 KB	Output is correct
39	Correct	823 ms	344 KB	Output is correct
40	Correct	822 ms	564 KB	Output is correct
41	Correct	822 ms	564 KB	Output is correct
42	Correct	816 ms	600 KB	Output is correct
43	Runtime error	2 ms	1372 KB	Execution killed with signal 11
44	Halted	0 ms	0 KB	-

답안 #855244

Compilation message

Subtask #1 16.0 / 16.0

Subtask #2 24.0 / 24.0

Subtask #3 21.0 / 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
21.0 / 21.0

Subtask #4
0 / 26.0

Subtask #5
0 / 13.0