Järjestys

input/code.cpp: In function 'int main()':
input/code.cpp:14:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for(int j=0;j<s.size();j++){
                     ~^~~~~~~~~

#include <bits/stdc++.h>
using namespace std;


int n, a, b;
string s;

int main(){
    cin>>n;
    for(int i=0;i<n;i++){
        cin>>s;
        a=0;
        b=0;
        for(int j=0;j<s.size();j++){
            if(s[j]=='A'){
                a++;
            }
        }
        for(int j=0;j<a;j++){
            if(s[j]=='B'){
                b++;
            }
        }
        cout<<b<<"\n";
    }
}

Test 1

Verdict: ACCEPTED