fork(2) download
copy 
  1. import java.util.*;
  2. import java.lang.*;
  3.  
  4. class Main
  5. {
  6. 	static int k = 4;
  7. 	public static void main (String[] args) throws java.lang.Exception
  8. 	{
  9.  
  10. 		new Main().test7(k, "");
  11. 	}
  12.  
  13. 	void test7(int i, String a) {
  14.  
  15.         a = a + "0";
  16.  
  17.         if (a.length() == k) {
  18.             System.out.println(""+a);
  19.             a = a.substring(0, a.length()-1);
  20.             a =a +"1";
  21.             System.out.println(a);
  22.         }else {
  23.             test7(i-1, a);
  24.             if (a.length() >1) {
  25.                 a =a.substring(0, a.length()-1);
  26.                 a =a+"1";
  27.             } else {
  28.                 a = "1";
  29.             }
  30.             test7(i-1,a);
  31.         }
  32.  
  33.     }
  34.  
  35. }
Success #stdin #stdout 0.07s 380160KB
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/jSJx3t
language:
Java (12.0.1)
created:
10 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!