Submission #833087

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
833087	2023-08-21T23:01:06 Z	CSQ31	Chorus (JOI23_chorus)	C++17	40 / 100	120 ms	13396 KB

chorus

#include<bits/stdc++.h>
using namespace std;
#define pb push_back
#define fi first
#define se second
#define sz(a) (int)(a.size())
#define all(a) a.begin(),a.end()
#define lb lower_bound
#define ub upper_bound
#define owo ios_base::sync_with_stdio(0);cin.tie(0);
#define debug(...) fprintf(stderr, __VA_ARGS__),fflush(stderr)
#define time__(d) for(long blockTime = 0; (blockTime == 0 ? (blockTime=clock()) != 0 : false);\
debug("%s time : %.4fs\n", d, (double)(clock() - blockTime) / CLOCKS_PER_SEC))
typedef long long int ll;
typedef long double ld;
typedef pair<ll,ll> PII;
typedef pair<int,int> pii;
typedef vector<vector<int>> vii;
typedef vector<vector<ll>> VII;
ll gcd(ll a,ll b){if(!b)return a;else return gcd(b,a%b);}
const int MAXN = 1e6+5;
int a[MAXN],n,k;
ll dp[555][555],p[MAXN];
int main()
{
	string s;
	cin>>n>>k>>s;
	int cur = 0,nxt = 0;
	for(int i=0;i<2*n;i++){
		if(s[i] == 'A')cur++;
		else a[++nxt] = cur;
	}
	for(int i=1;i<=n;i++)p[i] = p[i-1]+a[i];
	for(int i=0;i<=n;i++){
		for(int j=0;j<=k;j++){
			dp[i][j] = 1e9;	
		}
	} 
	dp[0][0] = 0;
	for(int x=1;x<=k;x++){
		int l = 0;
		for(int i=1;i<=n;i++){
			while(l+1<=i && a[l+1] <= i)l++;
			for(int j=l;j>=0;j--){
				dp[i][x] = min(dp[i][x],dp[j][x-1] + (l-j)*i - (p[l]-p[j]));
				
			}
			
		}
		
	}
	cout<<dp[n][k];
}

Subtask #1
16.0 / 16.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	340 KB	Output is correct
2	Correct	0 ms	340 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	0 ms	340 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	1 ms	340 KB	Output is correct
7	Correct	0 ms	340 KB	Output is correct
8	Correct	1 ms	340 KB	Output is correct
9	Correct	1 ms	340 KB	Output is correct
10	Correct	0 ms	260 KB	Output is correct
11	Correct	1 ms	340 KB	Output is correct
12	Correct	1 ms	464 KB	Output is correct
13	Correct	0 ms	340 KB	Output is correct
14	Correct	0 ms	340 KB	Output is correct
15	Correct	1 ms	340 KB	Output is correct
16	Correct	1 ms	340 KB	Output is correct

Subtask #2
24.0 / 24.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	340 KB	Output is correct
2	Correct	0 ms	340 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	0 ms	340 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	1 ms	340 KB	Output is correct
7	Correct	0 ms	340 KB	Output is correct
8	Correct	1 ms	340 KB	Output is correct
9	Correct	1 ms	340 KB	Output is correct
10	Correct	0 ms	260 KB	Output is correct
11	Correct	1 ms	340 KB	Output is correct
12	Correct	1 ms	464 KB	Output is correct
13	Correct	0 ms	340 KB	Output is correct
14	Correct	0 ms	340 KB	Output is correct
15	Correct	1 ms	340 KB	Output is correct
16	Correct	1 ms	340 KB	Output is correct
17	Correct	2 ms	980 KB	Output is correct
18	Correct	21 ms	2388 KB	Output is correct
19	Correct	59 ms	2480 KB	Output is correct
20	Correct	1 ms	2260 KB	Output is correct
21	Correct	2 ms	2260 KB	Output is correct
22	Correct	112 ms	2388 KB	Output is correct
23	Correct	120 ms	2480 KB	Output is correct
24	Correct	3 ms	2260 KB	Output is correct
25	Correct	111 ms	2388 KB	Output is correct
26	Correct	92 ms	2488 KB	Output is correct
27	Correct	38 ms	2472 KB	Output is correct
28	Correct	39 ms	2388 KB	Output is correct

Subtask #3
0 / 21.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	340 KB	Output is correct
2	Correct	0 ms	340 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	0 ms	340 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	1 ms	340 KB	Output is correct
7	Correct	0 ms	340 KB	Output is correct
8	Correct	1 ms	340 KB	Output is correct
9	Correct	1 ms	340 KB	Output is correct
10	Correct	0 ms	260 KB	Output is correct
11	Correct	1 ms	340 KB	Output is correct
12	Correct	1 ms	464 KB	Output is correct
13	Correct	0 ms	340 KB	Output is correct
14	Correct	0 ms	340 KB	Output is correct
15	Correct	1 ms	340 KB	Output is correct
16	Correct	1 ms	340 KB	Output is correct
17	Correct	2 ms	980 KB	Output is correct
18	Correct	21 ms	2388 KB	Output is correct
19	Correct	59 ms	2480 KB	Output is correct
20	Correct	1 ms	2260 KB	Output is correct
21	Correct	2 ms	2260 KB	Output is correct
22	Correct	112 ms	2388 KB	Output is correct
23	Correct	120 ms	2480 KB	Output is correct
24	Correct	3 ms	2260 KB	Output is correct
25	Correct	111 ms	2388 KB	Output is correct
26	Correct	92 ms	2488 KB	Output is correct
27	Correct	38 ms	2472 KB	Output is correct
28	Correct	39 ms	2388 KB	Output is correct
29	Runtime error	13 ms	13396 KB	Execution killed with signal 11
30	Halted	0 ms	0 KB	-

Subtask #4
0 / 26.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	340 KB	Output is correct
2	Correct	0 ms	340 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	0 ms	340 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	1 ms	340 KB	Output is correct
7	Correct	0 ms	340 KB	Output is correct
8	Correct	1 ms	340 KB	Output is correct
9	Correct	1 ms	340 KB	Output is correct
10	Correct	0 ms	260 KB	Output is correct
11	Correct	1 ms	340 KB	Output is correct
12	Correct	1 ms	464 KB	Output is correct
13	Correct	0 ms	340 KB	Output is correct
14	Correct	0 ms	340 KB	Output is correct
15	Correct	1 ms	340 KB	Output is correct
16	Correct	1 ms	340 KB	Output is correct
17	Correct	2 ms	980 KB	Output is correct
18	Correct	21 ms	2388 KB	Output is correct
19	Correct	59 ms	2480 KB	Output is correct
20	Correct	1 ms	2260 KB	Output is correct
21	Correct	2 ms	2260 KB	Output is correct
22	Correct	112 ms	2388 KB	Output is correct
23	Correct	120 ms	2480 KB	Output is correct
24	Correct	3 ms	2260 KB	Output is correct
25	Correct	111 ms	2388 KB	Output is correct
26	Correct	92 ms	2488 KB	Output is correct
27	Correct	38 ms	2472 KB	Output is correct
28	Correct	39 ms	2388 KB	Output is correct
29	Runtime error	13 ms	13396 KB	Execution killed with signal 11
30	Halted	0 ms	0 KB	-

Subtask #5
0 / 13.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	340 KB	Output is correct
2	Correct	0 ms	340 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	0 ms	340 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	1 ms	340 KB	Output is correct
7	Correct	0 ms	340 KB	Output is correct
8	Correct	1 ms	340 KB	Output is correct
9	Correct	1 ms	340 KB	Output is correct
10	Correct	0 ms	260 KB	Output is correct
11	Correct	1 ms	340 KB	Output is correct
12	Correct	1 ms	464 KB	Output is correct
13	Correct	0 ms	340 KB	Output is correct
14	Correct	0 ms	340 KB	Output is correct
15	Correct	1 ms	340 KB	Output is correct
16	Correct	1 ms	340 KB	Output is correct
17	Correct	2 ms	980 KB	Output is correct
18	Correct	21 ms	2388 KB	Output is correct
19	Correct	59 ms	2480 KB	Output is correct
20	Correct	1 ms	2260 KB	Output is correct
21	Correct	2 ms	2260 KB	Output is correct
22	Correct	112 ms	2388 KB	Output is correct
23	Correct	120 ms	2480 KB	Output is correct
24	Correct	3 ms	2260 KB	Output is correct
25	Correct	111 ms	2388 KB	Output is correct
26	Correct	92 ms	2488 KB	Output is correct
27	Correct	38 ms	2472 KB	Output is correct
28	Correct	39 ms	2388 KB	Output is correct
29	Runtime error	13 ms	13396 KB	Execution killed with signal 11
30	Halted	0 ms	0 KB	-

Submission #833087

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