fork download
copy 
  1. #include <iostream>
  2. #include <string>
  3.  
  4. void do_all(unsigned length, std::string const& initial_string = "")
  5. {
  6.         if(length == 1)
  7.                 std::cout << initial_string << "0\n"
  8.                           << initial_string << "1\n";
  9.  
  10.         else
  11.         {
  12.                 do_all(length - 1, initial_string + '0');
  13.                 do_all(length - 1, initial_string + '1');
  14.         }
  15. }
  16.  
  17. int main()
  18. {
  19.         do_all(4);
  20. }
Success #stdin #stdout 0.01s 2856KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
0000
0001
0010
0011
0100
0101
0110
0111
1000
1001
1010
1011
1100
1101
1110
1111
https://ideone.com/bNyYA8
language:
C++ (gcc 8.3)
created:
11 years 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!