Submission #1037891

# Submission time Handle Problem Language Result Execution time Memory
1037891 2024-07-29T09:49:46 Z 김은성(#10980) Chorus (JOI23_chorus) C++17
40 / 100
7000 ms 17140 KB
#include <bits/stdc++.h>
using namespace std;
char s[2000009];
typedef long long ll;
ll a[1000009], psum[1000009], dp[3009][3009];
ll cost(int k, int j){
    int idx = lower_bound(a+k, a+j, k-1) - a;
    //printf("k=%d j=%d idx=%d ret=%d\n", k, j, idx, psum[j-1] - psum[idx-1] - (k-1) * (j-idx));
    return psum[j-1] - psum[idx-1] - (k-1) * (j-idx);
}
int main(){
    int n, k, i, j, j2, cur = 0, cnt = 0;
    scanf("%d %d", &n, &k);
    scanf(" %s", s);
    for(i=0; i<2*n; i++){
        if(s[i] == 'A'){
            a[++cnt] = cur;
            //printf("a[%d]=%d\n", cnt, cur);
        }
        else
            cur++;
    }
    for(i=1; i<=n; i++)
        psum[i] = psum[i-1] + a[i];
    for(j=1; j<=n+1; j++)
        dp[1][j] = cost(1, j);
    for(i=2; i<=k; i++){
        for(j=1; j<=n+1; j++){
            dp[i][j] = 1000000000;
            for(j2=1; j2<j; j2++)
                dp[i][j]= min(dp[i][j], dp[i-1][j2] + cost(j2, j));
        }
    }
    printf("%d\n", dp[k][n+1]);
    return 0;
}

Compilation message

chorus.cpp: In function 'int main()':
chorus.cpp:34:14: warning: format '%d' expects argument of type 'int', but argument 2 has type 'll' {aka 'long long int'} [-Wformat=]
   34 |     printf("%d\n", dp[k][n+1]);
      |             ~^     ~~~~~~~~~~
      |              |              |
      |              int            ll {aka long long int}
      |             %lld
chorus.cpp:13:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   13 |     scanf("%d %d", &n, &k);
      |     ~~~~~^~~~~~~~~~~~~~~~~
chorus.cpp:14:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   14 |     scanf(" %s", s);
      |     ~~~~~^~~~~~~~~~
# Verdict Execution time Memory Grader output
1 Correct 1 ms 4444 KB Output is correct
2 Correct 1 ms 4444 KB Output is correct
3 Correct 1 ms 4444 KB Output is correct
4 Correct 1 ms 4444 KB Output is correct
5 Correct 1 ms 4444 KB Output is correct
6 Correct 1 ms 4444 KB Output is correct
7 Correct 1 ms 4444 KB Output is correct
8 Correct 1 ms 4444 KB Output is correct
9 Correct 1 ms 4444 KB Output is correct
10 Correct 1 ms 4444 KB Output is correct
11 Correct 1 ms 6492 KB Output is correct
12 Correct 1 ms 6492 KB Output is correct
13 Correct 1 ms 6492 KB Output is correct
14 Correct 0 ms 4444 KB Output is correct
15 Correct 1 ms 4444 KB Output is correct
16 Correct 0 ms 4444 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 4444 KB Output is correct
2 Correct 1 ms 4444 KB Output is correct
3 Correct 1 ms 4444 KB Output is correct
4 Correct 1 ms 4444 KB Output is correct
5 Correct 1 ms 4444 KB Output is correct
6 Correct 1 ms 4444 KB Output is correct
7 Correct 1 ms 4444 KB Output is correct
8 Correct 1 ms 4444 KB Output is correct
9 Correct 1 ms 4444 KB Output is correct
10 Correct 1 ms 4444 KB Output is correct
11 Correct 1 ms 6492 KB Output is correct
12 Correct 1 ms 6492 KB Output is correct
13 Correct 1 ms 6492 KB Output is correct
14 Correct 0 ms 4444 KB Output is correct
15 Correct 1 ms 4444 KB Output is correct
16 Correct 0 ms 4444 KB Output is correct
17 Correct 9 ms 6488 KB Output is correct
18 Correct 128 ms 6492 KB Output is correct
19 Correct 398 ms 12624 KB Output is correct
20 Correct 1 ms 4440 KB Output is correct
21 Correct 1 ms 4444 KB Output is correct
22 Correct 515 ms 16888 KB Output is correct
23 Correct 516 ms 16892 KB Output is correct
24 Correct 13 ms 6492 KB Output is correct
25 Correct 531 ms 17140 KB Output is correct
26 Correct 411 ms 14852 KB Output is correct
27 Correct 168 ms 8692 KB Output is correct
28 Correct 161 ms 8452 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 4444 KB Output is correct
2 Correct 1 ms 4444 KB Output is correct
3 Correct 1 ms 4444 KB Output is correct
4 Correct 1 ms 4444 KB Output is correct
5 Correct 1 ms 4444 KB Output is correct
6 Correct 1 ms 4444 KB Output is correct
7 Correct 1 ms 4444 KB Output is correct
8 Correct 1 ms 4444 KB Output is correct
9 Correct 1 ms 4444 KB Output is correct
10 Correct 1 ms 4444 KB Output is correct
11 Correct 1 ms 6492 KB Output is correct
12 Correct 1 ms 6492 KB Output is correct
13 Correct 1 ms 6492 KB Output is correct
14 Correct 0 ms 4444 KB Output is correct
15 Correct 1 ms 4444 KB Output is correct
16 Correct 0 ms 4444 KB Output is correct
17 Correct 9 ms 6488 KB Output is correct
18 Correct 128 ms 6492 KB Output is correct
19 Correct 398 ms 12624 KB Output is correct
20 Correct 1 ms 4440 KB Output is correct
21 Correct 1 ms 4444 KB Output is correct
22 Correct 515 ms 16888 KB Output is correct
23 Correct 516 ms 16892 KB Output is correct
24 Correct 13 ms 6492 KB Output is correct
25 Correct 531 ms 17140 KB Output is correct
26 Correct 411 ms 14852 KB Output is correct
27 Correct 168 ms 8692 KB Output is correct
28 Correct 161 ms 8452 KB Output is correct
29 Execution timed out 7070 ms 6764 KB Time limit exceeded
30 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 1 ms 4444 KB Output is correct
2 Correct 1 ms 4444 KB Output is correct
3 Correct 1 ms 4444 KB Output is correct
4 Correct 1 ms 4444 KB Output is correct
5 Correct 1 ms 4444 KB Output is correct
6 Correct 1 ms 4444 KB Output is correct
7 Correct 1 ms 4444 KB Output is correct
8 Correct 1 ms 4444 KB Output is correct
9 Correct 1 ms 4444 KB Output is correct
10 Correct 1 ms 4444 KB Output is correct
11 Correct 1 ms 6492 KB Output is correct
12 Correct 1 ms 6492 KB Output is correct
13 Correct 1 ms 6492 KB Output is correct
14 Correct 0 ms 4444 KB Output is correct
15 Correct 1 ms 4444 KB Output is correct
16 Correct 0 ms 4444 KB Output is correct
17 Correct 9 ms 6488 KB Output is correct
18 Correct 128 ms 6492 KB Output is correct
19 Correct 398 ms 12624 KB Output is correct
20 Correct 1 ms 4440 KB Output is correct
21 Correct 1 ms 4444 KB Output is correct
22 Correct 515 ms 16888 KB Output is correct
23 Correct 516 ms 16892 KB Output is correct
24 Correct 13 ms 6492 KB Output is correct
25 Correct 531 ms 17140 KB Output is correct
26 Correct 411 ms 14852 KB Output is correct
27 Correct 168 ms 8692 KB Output is correct
28 Correct 161 ms 8452 KB Output is correct
29 Execution timed out 7070 ms 6764 KB Time limit exceeded
30 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 1 ms 4444 KB Output is correct
2 Correct 1 ms 4444 KB Output is correct
3 Correct 1 ms 4444 KB Output is correct
4 Correct 1 ms 4444 KB Output is correct
5 Correct 1 ms 4444 KB Output is correct
6 Correct 1 ms 4444 KB Output is correct
7 Correct 1 ms 4444 KB Output is correct
8 Correct 1 ms 4444 KB Output is correct
9 Correct 1 ms 4444 KB Output is correct
10 Correct 1 ms 4444 KB Output is correct
11 Correct 1 ms 6492 KB Output is correct
12 Correct 1 ms 6492 KB Output is correct
13 Correct 1 ms 6492 KB Output is correct
14 Correct 0 ms 4444 KB Output is correct
15 Correct 1 ms 4444 KB Output is correct
16 Correct 0 ms 4444 KB Output is correct
17 Correct 9 ms 6488 KB Output is correct
18 Correct 128 ms 6492 KB Output is correct
19 Correct 398 ms 12624 KB Output is correct
20 Correct 1 ms 4440 KB Output is correct
21 Correct 1 ms 4444 KB Output is correct
22 Correct 515 ms 16888 KB Output is correct
23 Correct 516 ms 16892 KB Output is correct
24 Correct 13 ms 6492 KB Output is correct
25 Correct 531 ms 17140 KB Output is correct
26 Correct 411 ms 14852 KB Output is correct
27 Correct 168 ms 8692 KB Output is correct
28 Correct 161 ms 8452 KB Output is correct
29 Execution timed out 7070 ms 6764 KB Time limit exceeded
30 Halted 0 ms 0 KB -