| Task: | Järjestys |
| Sender: | motsgar |
| Submission time: | 2022-01-22 13:06:32 +0200 |
| Language: | C++ (C++17) |
| Status: | READY |
| Result: | 100 |
| group | verdict | score |
|---|---|---|
| #1 | ACCEPTED | 100 |
| test | verdict | time | |
|---|---|---|---|
| #1 | ACCEPTED | 0.01 s | details |
Code
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
int t;
int main()
{
ios_base::sync_with_stdio(false);
cin.tie(NULL);
cin>>t;
for(int i=0;i<t;i++){
string s;
cin>>s;
int a=0,b=s.size()-1;
int c=0;
while(a!=b){
while(s[a]=='A')a++;
while(s[b]=='B')b--;
if(a>=b)break;
s[a]='A';
s[b]='B';
c++;
}
cout<<c<<"\n";
}
}
