func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     string s;     cin >> s;     int num = 0, num1, num2;     for (int i = 0; i < s.size(); i++) {       if (s[i] ==  A ) {         num1 = 0;         for (int j = 0; j < i; j++)           if (s[j] ==  Q ) num1++;         num2 = 0;         for (int j = i + 1; j < s.size(); j++)           if (s[j] ==  Q ) num2++;         num += (num1 * num2);       }     }     cout << num;     return 0;   }   