fork download
copy 
  1. #include <iostream>
  2. #include <string>
  3. using namespace std;
  4.  
  5. string fun(string &t, string s = "", int r = 2) {
  6.     while(--r)
  7.         s += s;
  8.     t = t + s;
  9.     return s;
  10. }
  11.  
  12. int main() {
  13.     string name = "x";
  14.     cout << fun(name, name);
  15.     cout << name;
  16.     return 0;
  17. }
  18.  
  19.  
Success #stdin #stdout 0.01s 5288KB
comments ()
stdin
copy 
Standard input is empty
stdout
copy 
xxxxx
https://ideone.com/Q9U6IZ
language:
C++ (gcc 8.3)
created:
16 days ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!