Järjestys

input/code.cpp: In function 'int main()':
input/code.cpp:27:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for(int i = ama; i < s.length(); ++i){
                          ~~^~~~~~~~~~~~
input/code.cpp:26:13: warning: unused variable 'counta' [-Wunused-variable]
         int counta = 0;
             ^~~~~~

#include <bits/stdc++.h>

#define ll long long
#define mp make_pair
#define pb push_back
#define F first
#define S second

using namespace std;

const int N = (int)1e5;
const ll inf = (ll)1e18;

int main()
{
    ios_base::sync_with_stdio(0); cin.tie(0);
    int t; cin >> t;
    while(t--){
        string s; cin >> s;
        int ama=0, amb=0;
        for(char c : s){
            if(c=='A')ama++;
            else amb++;
        }
        ll ans = 0;
        int counta = 0;
        for(int i = ama; i < s.length(); ++i){
            if(s[i]=='A')ans++;
    }
    cout << ans << "\n";
    }



    return 0;
}

Test 1

Verdict: ACCEPTED