func_code_string: #include <bits/stdc++.h>   using namespace std;   using namespace std;   long long power(long long x, long long y) {     long long temp = 1;     while (y > 0) {       if (y % 2 == 1) temp = (x * temp) % 1000000007;       x = (x * x) % 1000000007;       y = y / 2;     }     return temp;   }   long long n;   string st;   int main() {     ios_base::sync_with_stdio(false);     cin.tie(0);     cin >> n;     set<string> ans;     for (long long i = (long long)(1); i <= (long long)(n); i++) {       cin >> st;       while (1) {         long long len = st.length(), ind = -1;         for (long long i = (long long)(0); i <= (long long)(len - 2); i++) {           if (st[i] ==  k  && st[i + 1] ==  h ) {             ind = i;             break;           }         }         if (ind != -1) {           st = st.substr(0, ind) +  h  + st.substr(ind + 2);           continue;         }         for (long long i = (long long)(0); i <= (long long)(len - 1); i++) {           if (st[i] ==  u ) {             ind = i;             break;           }         }         if (ind != -1) {           st = st.substr(0, ind) +  oo  + st.substr(ind + 1);           continue;         } else           break;       }       ans.insert(st);     }     cout << ans.size() << endl;     return 0;   }   