func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     string s;     string ans;     cin >> s;     int i = 0;     int j = 0;     while (i < s.size() & j < 3) {       if (j == 0) {         if (s[i] ==  f ) {           ans =  ftp:// ;           i = 3;         } else {           ans =  http:// ;           i = 4;         }         j = 1;       }       if (j == 1) {         int temp = i;         while (s[i + 1] !=  r  || s[i + 2] !=  u ) {           i++;         }         ans += s.substr(temp, i + 1 - temp);         ans +=  .ru ;         i = i + 3;         j = 2;       }       if (j == 2) {         if (s.size() - i) {           ans +=  / ;           ans += s.substr(i, s.size() - i);           i = s.size();         }       }     }     cout << ans << endl;     return 0;   }   