Järjestys

#include <algorithm>
#include <iostream>
 
int main() {
  std::ios::sync_with_stdio(false);
  std::cin.tie(nullptr);
 
  uint32_t n;
  std::cin >> n;
  for (uint32_t i = 0; i < n; ++i) {
    std::string jono;
    std::cin >> jono;
    uint32_t ac = std::count(jono.begin(), jono.end(), 'A');
    uint32_t ac2 = std::count(jono.begin() + ac, jono.end(), 'A');
    std::cout << ac2 << '\n';
  }
}

Test 1

Verdict: ACCEPTED