답안 #741746

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
741746	2023-05-14T18:33:43 Z	Username4132	Chorus (JOI23_chorus)	C++14	40 / 100	7000 ms	81396 KB

chorus

#include<iostream>
#include<vector>
using namespace std;
#define forn(i, n) for(int i=0; i<(int)n; ++i)
#define dforn(i, n) for(int i=0; i<(int)n; ++i)
#define forsn(i, s, n) for(int i=s; i<(int)n; ++i)
#define PB push_back

const int MAXN=5010, INF=1e7;
int n, K, pos[MAXN], cost[MAXN][MAXN], dp[MAXN][MAXN];
char str[MAXN];
vector<bool> imp;

int main(){
    scanf("%d %d", &n, &K);
    scanf("%s", str);
    forn(i, n){
        int cnA=0, cnB=0, cn=0;
        forn(j, 2*n){
            if(str[j]=='A'){
                cnA++;
                if(cnA>i) imp.PB(0);
            }
            else{
                cnB++;
                if(cnB>i) imp.PB(1);
            }
        }
        forn(j, 2*(n-i)) if(!imp[j]) pos[cn++]=j;
        forsn(j, 1, cn+1) cost[i][j]=cost[i][j-1]+pos[j-1]-j+1;
        imp.clear();
    }
    forn(i, n) dp[0][i]=INF;
    forsn(i, 1, K+1) dp[i][n]=INF;
    forsn(i, 1, K+1) dforn(j, n){
        dp[i][j]=INF;
        forsn(k, 1, n-j+1) dp[i][j]=min(dp[i][j], dp[i-1][j+k] + cost[j][k]);
    }
    printf("%d\n", dp[K][0]);
}

Compilation message

chorus.cpp: In function 'int main()':
chorus.cpp:15:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   15 |     scanf("%d %d", &n, &K);
      |     ~~~~~^~~~~~~~~~~~~~~~~
chorus.cpp:16:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   16 |     scanf("%s", str);
      |     ~~~~~^~~~~~~~~~~

Subtask #1
16.0 / 16.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	340 KB	Output is correct
2	Correct	0 ms	340 KB	Output is correct
3	Correct	0 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	1 ms	340 KB	Output is correct
8	Correct	0 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	0 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

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	340 KB	Output is correct
2	Correct	0 ms	340 KB	Output is correct
3	Correct	0 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	1 ms	340 KB	Output is correct
8	Correct	0 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	0 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	2 ms	1364 KB	Output is correct
18	Correct	22 ms	3332 KB	Output is correct
19	Correct	51 ms	4428 KB	Output is correct
20	Correct	3 ms	2772 KB	Output is correct
21	Correct	4 ms	2772 KB	Output is correct
22	Correct	76 ms	5804 KB	Output is correct
23	Correct	76 ms	5708 KB	Output is correct
24	Correct	5 ms	2772 KB	Output is correct
25	Correct	74 ms	5740 KB	Output is correct
26	Correct	69 ms	5236 KB	Output is correct
27	Correct	27 ms	3764 KB	Output is correct
28	Correct	27 ms	3700 KB	Output is correct

Subtask #3
0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	340 KB	Output is correct
2	Correct	0 ms	340 KB	Output is correct
3	Correct	0 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	1 ms	340 KB	Output is correct
8	Correct	0 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	0 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	2 ms	1364 KB	Output is correct
18	Correct	22 ms	3332 KB	Output is correct
19	Correct	51 ms	4428 KB	Output is correct
20	Correct	3 ms	2772 KB	Output is correct
21	Correct	4 ms	2772 KB	Output is correct
22	Correct	76 ms	5804 KB	Output is correct
23	Correct	76 ms	5708 KB	Output is correct
24	Correct	5 ms	2772 KB	Output is correct
25	Correct	74 ms	5740 KB	Output is correct
26	Correct	69 ms	5236 KB	Output is correct
27	Correct	27 ms	3764 KB	Output is correct
28	Correct	27 ms	3700 KB	Output is correct
29	Execution timed out	7048 ms	81396 KB	Time limit exceeded
30	Halted	0 ms	0 KB	-

Subtask #4
0 / 26.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	340 KB	Output is correct
2	Correct	0 ms	340 KB	Output is correct
3	Correct	0 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	1 ms	340 KB	Output is correct
8	Correct	0 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	0 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	2 ms	1364 KB	Output is correct
18	Correct	22 ms	3332 KB	Output is correct
19	Correct	51 ms	4428 KB	Output is correct
20	Correct	3 ms	2772 KB	Output is correct
21	Correct	4 ms	2772 KB	Output is correct
22	Correct	76 ms	5804 KB	Output is correct
23	Correct	76 ms	5708 KB	Output is correct
24	Correct	5 ms	2772 KB	Output is correct
25	Correct	74 ms	5740 KB	Output is correct
26	Correct	69 ms	5236 KB	Output is correct
27	Correct	27 ms	3764 KB	Output is correct
28	Correct	27 ms	3700 KB	Output is correct
29	Execution timed out	7048 ms	81396 KB	Time limit exceeded
30	Halted	0 ms	0 KB	-

Subtask #5
0 / 13.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	340 KB	Output is correct
2	Correct	0 ms	340 KB	Output is correct
3	Correct	0 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	1 ms	340 KB	Output is correct
8	Correct	0 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	0 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	2 ms	1364 KB	Output is correct
18	Correct	22 ms	3332 KB	Output is correct
19	Correct	51 ms	4428 KB	Output is correct
20	Correct	3 ms	2772 KB	Output is correct
21	Correct	4 ms	2772 KB	Output is correct
22	Correct	76 ms	5804 KB	Output is correct
23	Correct	76 ms	5708 KB	Output is correct
24	Correct	5 ms	2772 KB	Output is correct
25	Correct	74 ms	5740 KB	Output is correct
26	Correct	69 ms	5236 KB	Output is correct
27	Correct	27 ms	3764 KB	Output is correct
28	Correct	27 ms	3700 KB	Output is correct
29	Execution timed out	7048 ms	81396 KB	Time limit exceeded
30	Halted	0 ms	0 KB	-

답안 #741746

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