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