func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     int i, n;     string s;     cin >> s;     vector<int> freq(27, 0);     for (i = 0; i < s.length(); ++i) {       if (s[i] ==  B )         freq[26]++;       else if (s[i] >=  a  && s[i] <=  z )         freq[s[i] -  a ]++;     }     cout << (min(freq[26],                  min(freq[ u  -  a ],                      min(freq[ l  -  a ],                          min(freq[1],                              min(freq[ s  -  a ],                                  min(freq[0] >> 1, min(freq[ u  -  a ] >> 1,                                                        freq[ r  -  a ]))))))))          << endl;     return 0;   }   