| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 947365 |
2024-03-16T03:15:52 Z |
firewater |
Chorus (JOI23_chorus) |
C++14 |
|
7000 ms |
11356 KB |
#include<bits/stdc++.h>
#define ll long long
#define N 2024000
using namespace std;
ll n,k,x,now,l,r,a[N],sum[N],v[N],f[N],s[N];
char ss[N];
ll ask(ll k)
{
for(ll i=1;i<=n;++i)
f[i]=1000000000000ll,s[i]=0;
f[0]=0,s[0]=0;
for(ll i=1;i<=n;++i)
for(ll j=0;j<i;++j)
if(make_pair(f[j]+sum[i]-sum[v[j+1]]-j*(i-v[j+1])+k,s[j]+1)<make_pair(f[i],s[i])){
f[i]=f[j]+sum[i]-sum[v[j+1]]-j*(i-v[j+1])+k;
s[i]=s[j]+1;
}
return s[n];
}
signed main()
{
scanf("%lld%lld%s",&n,&k,ss+1);
x=now=0;
for(ll i=1;i<=n*2;++i){
if(ss[i]=='A'){
a[++x]=now;
sum[x]=sum[x-1]+a[x];
}
else now++,v[now]=max(now-1,x);
}
l=0;
r=1000000000000ll;
while(l<r){
ll mid=l+r>>1;
if(ask(mid)<=k)r=mid;
else l=mid+1;
}
x=ask(l);
printf("%lld\n",f[n]-l*k);
return 0;
}
Compilation message
chorus.cpp: In function 'int main()':
chorus.cpp:34:11: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
34 | ll mid=l+r>>1;
| ~^~
chorus.cpp:22:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
22 | scanf("%lld%lld%s",&n,&k,ss+1);
| ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
8536 KB |
Output is correct |
| 2 |
Correct |
1 ms |
8540 KB |
Output is correct |
| 3 |
Correct |
1 ms |
8540 KB |
Output is correct |
| 4 |
Correct |
1 ms |
8540 KB |
Output is correct |
| 5 |
Correct |
1 ms |
8540 KB |
Output is correct |
| 6 |
Correct |
1 ms |
8540 KB |
Output is correct |
| 7 |
Correct |
2 ms |
8540 KB |
Output is correct |
| 8 |
Correct |
2 ms |
8540 KB |
Output is correct |
| 9 |
Correct |
1 ms |
8540 KB |
Output is correct |
| 10 |
Correct |
1 ms |
8540 KB |
Output is correct |
| 11 |
Correct |
1 ms |
8536 KB |
Output is correct |
| 12 |
Correct |
1 ms |
8540 KB |
Output is correct |
| 13 |
Correct |
1 ms |
8540 KB |
Output is correct |
| 14 |
Correct |
1 ms |
8540 KB |
Output is correct |
| 15 |
Correct |
1 ms |
8540 KB |
Output is correct |
| 16 |
Correct |
1 ms |
8540 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
8536 KB |
Output is correct |
| 2 |
Correct |
1 ms |
8540 KB |
Output is correct |
| 3 |
Correct |
1 ms |
8540 KB |
Output is correct |
| 4 |
Correct |
1 ms |
8540 KB |
Output is correct |
| 5 |
Correct |
1 ms |
8540 KB |
Output is correct |
| 6 |
Correct |
1 ms |
8540 KB |
Output is correct |
| 7 |
Correct |
2 ms |
8540 KB |
Output is correct |
| 8 |
Correct |
2 ms |
8540 KB |
Output is correct |
| 9 |
Correct |
1 ms |
8540 KB |
Output is correct |
| 10 |
Correct |
1 ms |
8540 KB |
Output is correct |
| 11 |
Correct |
1 ms |
8536 KB |
Output is correct |
| 12 |
Correct |
1 ms |
8540 KB |
Output is correct |
| 13 |
Correct |
1 ms |
8540 KB |
Output is correct |
| 14 |
Correct |
1 ms |
8540 KB |
Output is correct |
| 15 |
Correct |
1 ms |
8540 KB |
Output is correct |
| 16 |
Correct |
1 ms |
8540 KB |
Output is correct |
| 17 |
Correct |
2 ms |
8536 KB |
Output is correct |
| 18 |
Correct |
8 ms |
8540 KB |
Output is correct |
| 19 |
Correct |
8 ms |
8540 KB |
Output is correct |
| 20 |
Correct |
8 ms |
8660 KB |
Output is correct |
| 21 |
Correct |
8 ms |
8540 KB |
Output is correct |
| 22 |
Correct |
8 ms |
8540 KB |
Output is correct |
| 23 |
Correct |
8 ms |
8664 KB |
Output is correct |
| 24 |
Correct |
8 ms |
8540 KB |
Output is correct |
| 25 |
Correct |
8 ms |
8664 KB |
Output is correct |
| 26 |
Correct |
8 ms |
8536 KB |
Output is correct |
| 27 |
Correct |
8 ms |
8540 KB |
Output is correct |
| 28 |
Correct |
11 ms |
8652 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
8536 KB |
Output is correct |
| 2 |
Correct |
1 ms |
8540 KB |
Output is correct |
| 3 |
Correct |
1 ms |
8540 KB |
Output is correct |
| 4 |
Correct |
1 ms |
8540 KB |
Output is correct |
| 5 |
Correct |
1 ms |
8540 KB |
Output is correct |
| 6 |
Correct |
1 ms |
8540 KB |
Output is correct |
| 7 |
Correct |
2 ms |
8540 KB |
Output is correct |
| 8 |
Correct |
2 ms |
8540 KB |
Output is correct |
| 9 |
Correct |
1 ms |
8540 KB |
Output is correct |
| 10 |
Correct |
1 ms |
8540 KB |
Output is correct |
| 11 |
Correct |
1 ms |
8536 KB |
Output is correct |
| 12 |
Correct |
1 ms |
8540 KB |
Output is correct |
| 13 |
Correct |
1 ms |
8540 KB |
Output is correct |
| 14 |
Correct |
1 ms |
8540 KB |
Output is correct |
| 15 |
Correct |
1 ms |
8540 KB |
Output is correct |
| 16 |
Correct |
1 ms |
8540 KB |
Output is correct |
| 17 |
Correct |
2 ms |
8536 KB |
Output is correct |
| 18 |
Correct |
8 ms |
8540 KB |
Output is correct |
| 19 |
Correct |
8 ms |
8540 KB |
Output is correct |
| 20 |
Correct |
8 ms |
8660 KB |
Output is correct |
| 21 |
Correct |
8 ms |
8540 KB |
Output is correct |
| 22 |
Correct |
8 ms |
8540 KB |
Output is correct |
| 23 |
Correct |
8 ms |
8664 KB |
Output is correct |
| 24 |
Correct |
8 ms |
8540 KB |
Output is correct |
| 25 |
Correct |
8 ms |
8664 KB |
Output is correct |
| 26 |
Correct |
8 ms |
8536 KB |
Output is correct |
| 27 |
Correct |
8 ms |
8540 KB |
Output is correct |
| 28 |
Correct |
11 ms |
8652 KB |
Output is correct |
| 29 |
Correct |
627 ms |
8688 KB |
Output is correct |
| 30 |
Correct |
667 ms |
8692 KB |
Output is correct |
| 31 |
Correct |
663 ms |
8540 KB |
Output is correct |
| 32 |
Correct |
664 ms |
8536 KB |
Output is correct |
| 33 |
Correct |
653 ms |
8688 KB |
Output is correct |
| 34 |
Correct |
701 ms |
8688 KB |
Output is correct |
| 35 |
Correct |
659 ms |
8692 KB |
Output is correct |
| 36 |
Correct |
653 ms |
8788 KB |
Output is correct |
| 37 |
Correct |
670 ms |
8788 KB |
Output is correct |
| 38 |
Correct |
687 ms |
8696 KB |
Output is correct |
| 39 |
Correct |
704 ms |
8692 KB |
Output is correct |
| 40 |
Correct |
669 ms |
8540 KB |
Output is correct |
| 41 |
Correct |
666 ms |
8692 KB |
Output is correct |
| 42 |
Correct |
674 ms |
8688 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
8536 KB |
Output is correct |
| 2 |
Correct |
1 ms |
8540 KB |
Output is correct |
| 3 |
Correct |
1 ms |
8540 KB |
Output is correct |
| 4 |
Correct |
1 ms |
8540 KB |
Output is correct |
| 5 |
Correct |
1 ms |
8540 KB |
Output is correct |
| 6 |
Correct |
1 ms |
8540 KB |
Output is correct |
| 7 |
Correct |
2 ms |
8540 KB |
Output is correct |
| 8 |
Correct |
2 ms |
8540 KB |
Output is correct |
| 9 |
Correct |
1 ms |
8540 KB |
Output is correct |
| 10 |
Correct |
1 ms |
8540 KB |
Output is correct |
| 11 |
Correct |
1 ms |
8536 KB |
Output is correct |
| 12 |
Correct |
1 ms |
8540 KB |
Output is correct |
| 13 |
Correct |
1 ms |
8540 KB |
Output is correct |
| 14 |
Correct |
1 ms |
8540 KB |
Output is correct |
| 15 |
Correct |
1 ms |
8540 KB |
Output is correct |
| 16 |
Correct |
1 ms |
8540 KB |
Output is correct |
| 17 |
Correct |
2 ms |
8536 KB |
Output is correct |
| 18 |
Correct |
8 ms |
8540 KB |
Output is correct |
| 19 |
Correct |
8 ms |
8540 KB |
Output is correct |
| 20 |
Correct |
8 ms |
8660 KB |
Output is correct |
| 21 |
Correct |
8 ms |
8540 KB |
Output is correct |
| 22 |
Correct |
8 ms |
8540 KB |
Output is correct |
| 23 |
Correct |
8 ms |
8664 KB |
Output is correct |
| 24 |
Correct |
8 ms |
8540 KB |
Output is correct |
| 25 |
Correct |
8 ms |
8664 KB |
Output is correct |
| 26 |
Correct |
8 ms |
8536 KB |
Output is correct |
| 27 |
Correct |
8 ms |
8540 KB |
Output is correct |
| 28 |
Correct |
11 ms |
8652 KB |
Output is correct |
| 29 |
Correct |
627 ms |
8688 KB |
Output is correct |
| 30 |
Correct |
667 ms |
8692 KB |
Output is correct |
| 31 |
Correct |
663 ms |
8540 KB |
Output is correct |
| 32 |
Correct |
664 ms |
8536 KB |
Output is correct |
| 33 |
Correct |
653 ms |
8688 KB |
Output is correct |
| 34 |
Correct |
701 ms |
8688 KB |
Output is correct |
| 35 |
Correct |
659 ms |
8692 KB |
Output is correct |
| 36 |
Correct |
653 ms |
8788 KB |
Output is correct |
| 37 |
Correct |
670 ms |
8788 KB |
Output is correct |
| 38 |
Correct |
687 ms |
8696 KB |
Output is correct |
| 39 |
Correct |
704 ms |
8692 KB |
Output is correct |
| 40 |
Correct |
669 ms |
8540 KB |
Output is correct |
| 41 |
Correct |
666 ms |
8692 KB |
Output is correct |
| 42 |
Correct |
674 ms |
8688 KB |
Output is correct |
| 43 |
Execution timed out |
7058 ms |
11356 KB |
Time limit exceeded |
| 44 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
8536 KB |
Output is correct |
| 2 |
Correct |
1 ms |
8540 KB |
Output is correct |
| 3 |
Correct |
1 ms |
8540 KB |
Output is correct |
| 4 |
Correct |
1 ms |
8540 KB |
Output is correct |
| 5 |
Correct |
1 ms |
8540 KB |
Output is correct |
| 6 |
Correct |
1 ms |
8540 KB |
Output is correct |
| 7 |
Correct |
2 ms |
8540 KB |
Output is correct |
| 8 |
Correct |
2 ms |
8540 KB |
Output is correct |
| 9 |
Correct |
1 ms |
8540 KB |
Output is correct |
| 10 |
Correct |
1 ms |
8540 KB |
Output is correct |
| 11 |
Correct |
1 ms |
8536 KB |
Output is correct |
| 12 |
Correct |
1 ms |
8540 KB |
Output is correct |
| 13 |
Correct |
1 ms |
8540 KB |
Output is correct |
| 14 |
Correct |
1 ms |
8540 KB |
Output is correct |
| 15 |
Correct |
1 ms |
8540 KB |
Output is correct |
| 16 |
Correct |
1 ms |
8540 KB |
Output is correct |
| 17 |
Correct |
2 ms |
8536 KB |
Output is correct |
| 18 |
Correct |
8 ms |
8540 KB |
Output is correct |
| 19 |
Correct |
8 ms |
8540 KB |
Output is correct |
| 20 |
Correct |
8 ms |
8660 KB |
Output is correct |
| 21 |
Correct |
8 ms |
8540 KB |
Output is correct |
| 22 |
Correct |
8 ms |
8540 KB |
Output is correct |
| 23 |
Correct |
8 ms |
8664 KB |
Output is correct |
| 24 |
Correct |
8 ms |
8540 KB |
Output is correct |
| 25 |
Correct |
8 ms |
8664 KB |
Output is correct |
| 26 |
Correct |
8 ms |
8536 KB |
Output is correct |
| 27 |
Correct |
8 ms |
8540 KB |
Output is correct |
| 28 |
Correct |
11 ms |
8652 KB |
Output is correct |
| 29 |
Correct |
627 ms |
8688 KB |
Output is correct |
| 30 |
Correct |
667 ms |
8692 KB |
Output is correct |
| 31 |
Correct |
663 ms |
8540 KB |
Output is correct |
| 32 |
Correct |
664 ms |
8536 KB |
Output is correct |
| 33 |
Correct |
653 ms |
8688 KB |
Output is correct |
| 34 |
Correct |
701 ms |
8688 KB |
Output is correct |
| 35 |
Correct |
659 ms |
8692 KB |
Output is correct |
| 36 |
Correct |
653 ms |
8788 KB |
Output is correct |
| 37 |
Correct |
670 ms |
8788 KB |
Output is correct |
| 38 |
Correct |
687 ms |
8696 KB |
Output is correct |
| 39 |
Correct |
704 ms |
8692 KB |
Output is correct |
| 40 |
Correct |
669 ms |
8540 KB |
Output is correct |
| 41 |
Correct |
666 ms |
8692 KB |
Output is correct |
| 42 |
Correct |
674 ms |
8688 KB |
Output is correct |
| 43 |
Execution timed out |
7058 ms |
11356 KB |
Time limit exceeded |
| 44 |
Halted |
0 ms |
0 KB |
- |
