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  1. /* package whatever; // don't place package name! */
  2.  
  3. import java.util.*;
  4. import java.lang.*;
  5. import java.io.*;
  6.  
  7. /* Name of the class has to be "Main" only if the class is public. */
  8. class Ideone
  9. {
  10. 	public static void main (String[] args) throws java.lang.Exception
  11. 	{
  12. 		int n = 8;
  13. 		final Random rnd = new Random();
  14.         int lastlast = rnd.nextInt(n);
  15.         int last = (lastlast + 1 + rnd.nextInt(n - 1)) % n;
  16.         for (int i = 0; i < 30; i++) {
  17.         	int r = (lastlast + 1 + rnd.nextInt(n - 2)) % n;
  18.             if (r == last)
  19.         		r = (lastlast + n - 1) % n;
  20.     		lastlast = last;
  21.     		last = r;
  22. 			System.out.println(last);
  23.         }	
  24. 	}
  25. }
Success #stdin #stdout 0.04s 2184192KB
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stdin
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Standard input is empty
stdout
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3
7
5
3
2
7
6
0
3
2
5
0
6
2
5
6
1
3
7
0
4
7
0
1
5
7
0
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5
2
https://ideone.com/gVu7g0
language:
Java (HotSpot 12)
created:
4 years ago
visibility:
public

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