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  1. import java.util.*;
  2. import java.io.*;
  3.  
  4.  
  5. public class Main
  6. {
  7. 	static boolean visit[];
  8. 	static Random rd = new Random();
  9. 	public static void main (String[] args) throws IOException
  10. 	{
  11. 		for(int i = 0 ; i < 6 ; i++){
  12. 			visit = new boolean[46];
  13. 			lotto("", 0, visit);
  14. 		}
  15. 	}
  16. 	public static void lotto(String str, int cnt, boolean[] boolarr){
  17. 		if(cnt == 6){
  18. 			System.out.println(str);
  19. 			return;
  20. 		}
  21.  
  22. 		int num = rd.nextInt(45)+1;
  23.  
  24. 		if(!boolarr[num]){
  25. 			boolarr[num] = true;
  26. 			lotto(str+" "+Integer.toString(num), cnt+1, boolarr);
  27. 		}else{
  28. 			lotto(str, cnt, boolarr);
  29. 		}
  30. 	}
  31. }
Success #stdin #stdout 0.11s 57792KB
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stdin
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Standard input is empty
stdout
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 19 33 32 3 8 7
 29 10 32 16 18 43
 2 10 34 13 6 18
 39 4 20 16 18 3
 7 25 38 20 24 23
 43 20 23 30 21 36
https://ideone.com/HXYcRD
language:
Java (HotSpot 12)
created:
9 days ago
visibility:
public

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