QOJ.ac
QOJ
| ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
|---|---|---|---|---|---|---|---|---|---|
| #179386 | #6338. Chorus | maoyiting | 40 | 26ms | 101708kb | C++14 | 483b | 2023-09-14 21:04:36 | 2023-09-14 21:04:37 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
const int N=5e3+5;
int n,k,t,c[N],f[N][N];
char s[N];
signed main(){
scanf("%d%d%s",&n,&k,s+1);
for(int i=1,b=0;i<=2*n;i++){
if(s[i]=='A') c[++t]=b;
else b++;
}
memset(f,0x3f,sizeof(f)),f[0][0]=0;
for(int i=1;i<=n;i++)
for(int p=1;p<=k;p++) if(f[i-1][p-1]<1e9){
int sum=0;
for(int j=i;j<=n;j++)
sum+=max(0,c[j]-(i-1)),f[j][p]=min(f[j][p],f[i-1][p-1]+sum);
}
printf("%d\n",f[n][k]);
return 0;
}
Details
Tip: Click on the bar to expand more detailed information
Subtask #1:
score: 16
Accepted
Test #1:
score: 16
Accepted
time: 7ms
memory: 101492kb
input:
1 1 BA
output:
1
result:
ok 1 number(s): "1"
Test #2:
score: 0
Accepted
time: 0ms
memory: 101664kb
input:
7 5 ABBAAABBABABBA
output:
3
result:
ok 1 number(s): "3"
Test #3:
score: 0
Accepted
time: 0ms
memory: 101656kb
input:
10 3 BABBABAABAABBABBBAAA
output:
26
result:
ok 1 number(s): "26"
Test #4:
score: 0
Accepted
time: 0ms
memory: 101480kb
input:
10 2 AAABBABABBAAABBBAABB
output:
11
result:
ok 1 number(s): "11"
Test #5:
score: 0
Accepted
time: 4ms
memory: 101420kb
input:
10 1 BBBBBBBBBBAAAAAAAAAA
output:
100
result:
ok 1 number(s): "100"
Test #6:
score: 0
Accepted
time: 0ms
memory: 101580kb
input:
10 2 BBBBBBBBBBAAAAAAAAAA
output:
75
result:
ok 1 number(s): "75"
Test #7:
score: 0
Accepted
time: 0ms
memory: 101408kb
input:
10 9 BBBBBBBBBBAAAAAAAAAA
output:
56
result:
ok 1 number(s): "56"
Test #8:
score: 0
Accepted
time: 0ms
memory: 101704kb
input:
10 10 BBBBBBBBBBAAAAAAAAAA
output:
55
result:
ok 1 number(s): "55"
Test #9:
score: 0
Accepted
time: 3ms
memory: 101472kb
input:
10 10 ABABABABABABABABABAB
output:
0
result:
ok 1 number(s): "0"
Test #10:
score: 0
Accepted
time: 8ms
memory: 101572kb
input:
10 2 ABAAABABABBBABABABAB
output:
14
result:
ok 1 number(s): "14"
Test #11:
score: 0
Accepted
time: 3ms
memory: 101480kb
input:
10 4 ABAABBAAABBBAAABBBAB
output:
2
result:
ok 1 number(s): "2"
Test #12:
score: 0
Accepted
time: 11ms
memory: 101580kb
input:
10 4 ABAAABBBAAABBBAABBAB
output:
2
result:
ok 1 number(s): "2"
Subtask #2:
score: 24
Accepted
Dependency #1:
100%
Accepted
Test #13:
score: 24
Accepted
time: 4ms
memory: 101696kb
input:
179 54 AAABABABABBAAABBABBABBABBBAAABAAAAABBBABAAAAABABBBAABBBABABBAABABAABABBBBABAABAABABABBBABBAABABBAABBAABABBAAABAAAAAAAABBAAAAABAAABBBBBBBABBAABBBABABAABBAABBABABABBABAAABABAAABABABBAABABAAABBABABABABABBAAABABBBBBBBAABBBAABABBBBABAABBAAAABAABBABABAABAAABABAAAABBBAABAAABBABABBBABAAABAABBBABBBBBA...
output:
41
result:
ok 1 number(s): "41"
Test #14:
score: 0
Accepted
time: 17ms
memory: 101532kb
input:
500 93 ABABAABBBBABAABAABAAAAABABBBBBABABBABAAAABAABBBBABAABBBAAABBABABAAAABAABBABAAABBAAABBBABBAAAAAABABABBBABABBBAABAAABAABABAAABAAABBAAABABBBAABBABBBABBBAABAAAABBBAABBBABAAAAAABABABBBABAAAABBBBBAABBBABAAABAABBBABABAABABBBBABBABBBBBBBABAAAABAABAABBABBBAABBBAAAAAAABBAABAAABBBABBBAAABABBBBAABBBABABB...
output:
235
result:
ok 1 number(s): "235"
Test #15:
score: 0
Accepted
time: 21ms
memory: 101696kb
input:
500 273 AAABBABAABAAABABAABBBABAAAABBAAABBABAAABBABABAAAABBBAAABBBAABAABAABBABABABABBAAABBBBBBBAABABBAABABBBAABBBBAAABAAAABABBABBBBBAABAABABAAAABBABABABAAAABBBAAAAABABBAABABABAAABBABAAAABABBBAAABABAABBAABBBAABAABBBAABABBBBABAAABAABBBBABBABAAABABBAABABBABBBBBBBABAABAAAABABABAAABABABABAABBAABBBABBBAAB...
output:
0
result:
ok 1 number(s): "0"
Test #16:
score: 0
Accepted
time: 3ms
memory: 101696kb
input:
500 1 BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB...
output:
250000
result:
ok 1 number(s): "250000"
Test #17:
score: 0
Accepted
time: 3ms
memory: 101700kb
input:
500 2 BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB...
output:
187500
result:
ok 1 number(s): "187500"
Test #18:
score: 0
Accepted
time: 21ms
memory: 101704kb
input:
500 499 BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB...
output:
125251
result:
ok 1 number(s): "125251"
Test #19:
score: 0
Accepted
time: 19ms
memory: 101580kb
input:
500 500 BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB...
output:
125250
result:
ok 1 number(s): "125250"
Test #20:
score: 0
Accepted
time: 3ms
memory: 101708kb
input:
500 10 ABAAABBBAABBABABAABAABABBBAABABABBAABABAABAABABABBBBABAABBAAAAAAABAABAABAABBABBABABBBABABBAABABBBBAABBBBABAAAAAAABAABAAABABABBAABABBABBAAAABAABBBAABABBABABBBBAAAABABBAAAAABAABBBBBBBBABBABBBAABBABBAAAABAABBBBBBAABBBAAAABABBAAABAABAABBBBAABBAAABBAABBAAAAABAAAAAABBAABABBABABBBABAAABBBAAABABAAABB...
output:
9129
result:
ok 1 number(s): "9129"
Test #21:
score: 0
Accepted
time: 26ms
memory: 101476kb
input:
500 500 ABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABAB...
output:
0
result:
ok 1 number(s): "0"
Test #22:
score: 0
Accepted
time: 24ms
memory: 101580kb
input:
500 416 ABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABAB...
output:
84
result:
ok 1 number(s): "84"
Test #23:
score: 0
Accepted
time: 11ms
memory: 101484kb
input:
499 167 ABAABBAAABBBAAABBBAAABBBAAABBBAAABBBAAABBBAAABBBAAABBBAAABBBAAABBBAAABBBAAABBBAAABBBAAABBBAAABBBAAABBBAAABBBAAABBBAAABBBAAABBBAAABBBAAABBBAAABBBAAABBBAAABBBAAABBBAAABBBAAABBBAAABBBAAABBBAAABBBAAABBBAAABBBAAABBBAAABBBAAABBBAAABBBAAABBBAAABBBAAABBBAAABBBAAABBBAAABBBAAABBBAAABBBAAABBBAAABBBAAAB...
output:
2
result:
ok 1 number(s): "2"
Test #24:
score: 0
Accepted
time: 15ms
memory: 101708kb
input:
499 167 ABAAABBBAAABBBAAABBBAAABBBAAABBBAAABBBAAABBBAAABBBAAABBBAAABBBAAABBBAAABBBAAABBBAAABBBAAABBBAAABBBAAABBBAAABBBAAABBBAAABBBAAABBBAAABBBAAABBBAAABBBAAABBBAAABBBAAABBBAAABBBAAABBBAAABBBAAABBBAAABBBAAABBBAAABBBAAABBBAAABBBAAABBBAAABBBAAABBBAAABBBAAABBBAAABBBAAABBBAAABBBAAABBBAAABBBAAABBBAAABBBAA...
output:
2
result:
ok 1 number(s): "2"
Subtask #3:
score: 0
Time Limit Exceeded
Dependency #1:
100%
Accepted
Dependency #2:
100%
Accepted
Test #25:
score: 0
Time Limit Exceeded
input:
4918 2048 ABBBBBBAAAAABBBBAAAABBABBAAAABBBAABBBABABBAAAABBBAAAABAABBAAABAAABAABBAAABAAABBBAABBBBBBABAABBBBAAAAABBBBBABBBABABBBBBABAAAAAABAABBABBABBBBBAABAABAAAAAABBBBBAABBBABBBAAABBABBABBBAABBBBBBABBBABAABABABABABAAABBABABBAABAABBBBABABBAABABABABBAABABABBABABABAAABABBBABBBABBABBBBAAAABBBBAAABBBABBBA...
output:
result:
Subtask #4:
score: 0
Skipped
Dependency #1:
100%
Accepted
Dependency #2:
100%
Accepted
Dependency #3:
0%
Subtask #5:
score: 0
Skipped
Dependency #1:
100%
Accepted
Dependency #2:
100%
Accepted
Dependency #3:
0%