func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     set<string> S;     long n;     string a;     cin >> n;     for (long i = 0; i < n; i++) {       cin >> a;       string s =   ;       long j = 0;       while (j < a.size()) {         if (a[j] ==  k ) {           long k = j;           while (a[k] ==  k ) k++;           if (a[k] ==  h ) {             j = k;             s = s +  kh ;           } else {             s.push_back(a[j]);           }         } else if (a[j] ==  u ) {           s = s +  oo ;         } else if (a[j] ==  h ) {           s = s +  kh ;         } else {           s.push_back(a[j]);         }         j++;       }       S.insert(s);     }     cout << S.size();   }   