func_code_string: #include <bits/stdc++.h>   const double pi = 3.1415926535897;   using namespace std;   int main() {     string s;     cin >> s;     int counter = 0;     for (int i = 0; i < s.length(); i++) {       if (s[i] ==  a ) counter++;     }     if (s.length() / 2 < counter)       cout << s.length();     else       cout << (counter - 1) * 2 + 1;   }   