Submission #789142

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
789142	2023-07-21T06:18:58 Z	박상훈(#10042)	Chorus (JOI23_chorus)	C++17	40 / 100	7000 ms	4436 KB

chorus

#include <bits/stdc++.h>

using namespace std;
typedef long long ll;
constexpr ll INF = 4e18;
char s[2002000];
int a[1001000], b[1001000], mp[2002000], nxt[2002000];
ll cost[505][505], dp[505][505];

int main(){
	int n, k;
	scanf("%d %d", &n, &k);

	scanf("%s", s+1);
	int ptA = 1, ptB = 1;
	for (int i=1;i<=n*2;i++){
		if (s[i]=='A'){
			mp[i] = ptA;
			a[ptA++] = i;
		} 
		else{
			mp[i] = ptB;
			b[ptB++] = i;
		}
	}

	for (int i=n*2;i;i--){
		if (s[i]=='A') nxt[i] = --ptA;
		else nxt[i] = ptA;
	}

	for (int i=1;i<=n;i++){
		for (int j=i;j<=n;j++){
			for (int k=i;k<=j;k++){
				cost[i][j] += max(j-nxt[b[k]]+1, 0);
			}
		}
	}

	for (int i=0;i<=n;i++){
		fill(dp[i], dp[i]+k+1, INF);
	}
	dp[0][0] = 0;

	for (int i=1;i<=n;i++){
		for (int j=1;j<=k;j++){
			for (int p=0;p<i;p++) dp[i][j] = min(dp[i][j], dp[p][j-1] + cost[p+1][i]);
		}
	}

	printf("%lld\n", dp[n][k]);
}

Compilation message

chorus.cpp: In function 'int main()':
chorus.cpp:12:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   12 |  scanf("%d %d", &n, &k);
      |  ~~~~~^~~~~~~~~~~~~~~~~
chorus.cpp:14:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   14 |  scanf("%s", s+1);
      |  ~~~~~^~~~~~~~~~~

Subtask #1
16.0 / 16.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	340 KB	Output is correct
2	Correct	1 ms	340 KB	Output is correct
3	Correct	0 ms	340 KB	Output is correct
4	Correct	1 ms	340 KB	Output is correct
5	Correct	1 ms	340 KB	Output is correct
6	Correct	1 ms	340 KB	Output is correct
7	Correct	1 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	1 ms	340 KB	Output is correct
11	Correct	1 ms	340 KB	Output is correct
12	Correct	0 ms	340 KB	Output is correct
13	Correct	1 ms	340 KB	Output is correct
14	Correct	1 ms	340 KB	Output is correct
15	Correct	0 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	1 ms	340 KB	Output is correct
2	Correct	1 ms	340 KB	Output is correct
3	Correct	0 ms	340 KB	Output is correct
4	Correct	1 ms	340 KB	Output is correct
5	Correct	1 ms	340 KB	Output is correct
6	Correct	1 ms	340 KB	Output is correct
7	Correct	1 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	1 ms	340 KB	Output is correct
11	Correct	1 ms	340 KB	Output is correct
12	Correct	0 ms	340 KB	Output is correct
13	Correct	1 ms	340 KB	Output is correct
14	Correct	1 ms	340 KB	Output is correct
15	Correct	0 ms	340 KB	Output is correct
16	Correct	1 ms	340 KB	Output is correct
17	Correct	3 ms	1716 KB	Output is correct
18	Correct	36 ms	4436 KB	Output is correct
19	Correct	64 ms	4300 KB	Output is correct
20	Correct	20 ms	4276 KB	Output is correct
21	Correct	20 ms	4204 KB	Output is correct
22	Correct	100 ms	4300 KB	Output is correct
23	Correct	101 ms	4312 KB	Output is correct
24	Correct	21 ms	4308 KB	Output is correct
25	Correct	102 ms	4300 KB	Output is correct
26	Correct	90 ms	4304 KB	Output is correct
27	Correct	45 ms	4300 KB	Output is correct
28	Correct	50 ms	4288 KB	Output is correct

Subtask #3
0 / 21.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	340 KB	Output is correct
2	Correct	1 ms	340 KB	Output is correct
3	Correct	0 ms	340 KB	Output is correct
4	Correct	1 ms	340 KB	Output is correct
5	Correct	1 ms	340 KB	Output is correct
6	Correct	1 ms	340 KB	Output is correct
7	Correct	1 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	1 ms	340 KB	Output is correct
11	Correct	1 ms	340 KB	Output is correct
12	Correct	0 ms	340 KB	Output is correct
13	Correct	1 ms	340 KB	Output is correct
14	Correct	1 ms	340 KB	Output is correct
15	Correct	0 ms	340 KB	Output is correct
16	Correct	1 ms	340 KB	Output is correct
17	Correct	3 ms	1716 KB	Output is correct
18	Correct	36 ms	4436 KB	Output is correct
19	Correct	64 ms	4300 KB	Output is correct
20	Correct	20 ms	4276 KB	Output is correct
21	Correct	20 ms	4204 KB	Output is correct
22	Correct	100 ms	4300 KB	Output is correct
23	Correct	101 ms	4312 KB	Output is correct
24	Correct	21 ms	4308 KB	Output is correct
25	Correct	102 ms	4300 KB	Output is correct
26	Correct	90 ms	4304 KB	Output is correct
27	Correct	45 ms	4300 KB	Output is correct
28	Correct	50 ms	4288 KB	Output is correct
29	Execution timed out	7041 ms	3724 KB	Time limit exceeded
30	Halted	0 ms	0 KB	-

Subtask #4
0 / 26.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	340 KB	Output is correct
2	Correct	1 ms	340 KB	Output is correct
3	Correct	0 ms	340 KB	Output is correct
4	Correct	1 ms	340 KB	Output is correct
5	Correct	1 ms	340 KB	Output is correct
6	Correct	1 ms	340 KB	Output is correct
7	Correct	1 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	1 ms	340 KB	Output is correct
11	Correct	1 ms	340 KB	Output is correct
12	Correct	0 ms	340 KB	Output is correct
13	Correct	1 ms	340 KB	Output is correct
14	Correct	1 ms	340 KB	Output is correct
15	Correct	0 ms	340 KB	Output is correct
16	Correct	1 ms	340 KB	Output is correct
17	Correct	3 ms	1716 KB	Output is correct
18	Correct	36 ms	4436 KB	Output is correct
19	Correct	64 ms	4300 KB	Output is correct
20	Correct	20 ms	4276 KB	Output is correct
21	Correct	20 ms	4204 KB	Output is correct
22	Correct	100 ms	4300 KB	Output is correct
23	Correct	101 ms	4312 KB	Output is correct
24	Correct	21 ms	4308 KB	Output is correct
25	Correct	102 ms	4300 KB	Output is correct
26	Correct	90 ms	4304 KB	Output is correct
27	Correct	45 ms	4300 KB	Output is correct
28	Correct	50 ms	4288 KB	Output is correct
29	Execution timed out	7041 ms	3724 KB	Time limit exceeded
30	Halted	0 ms	0 KB	-

Subtask #5
0 / 13.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	340 KB	Output is correct
2	Correct	1 ms	340 KB	Output is correct
3	Correct	0 ms	340 KB	Output is correct
4	Correct	1 ms	340 KB	Output is correct
5	Correct	1 ms	340 KB	Output is correct
6	Correct	1 ms	340 KB	Output is correct
7	Correct	1 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	1 ms	340 KB	Output is correct
11	Correct	1 ms	340 KB	Output is correct
12	Correct	0 ms	340 KB	Output is correct
13	Correct	1 ms	340 KB	Output is correct
14	Correct	1 ms	340 KB	Output is correct
15	Correct	0 ms	340 KB	Output is correct
16	Correct	1 ms	340 KB	Output is correct
17	Correct	3 ms	1716 KB	Output is correct
18	Correct	36 ms	4436 KB	Output is correct
19	Correct	64 ms	4300 KB	Output is correct
20	Correct	20 ms	4276 KB	Output is correct
21	Correct	20 ms	4204 KB	Output is correct
22	Correct	100 ms	4300 KB	Output is correct
23	Correct	101 ms	4312 KB	Output is correct
24	Correct	21 ms	4308 KB	Output is correct
25	Correct	102 ms	4300 KB	Output is correct
26	Correct	90 ms	4304 KB	Output is correct
27	Correct	45 ms	4300 KB	Output is correct
28	Correct	50 ms	4288 KB	Output is correct
29	Execution timed out	7041 ms	3724 KB	Time limit exceeded
30	Halted	0 ms	0 KB	-

Submission #789142

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