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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. static int k;
  11. static int n=0;
  12. public static void main (String[] args) throws java.lang.Exception
  13. {
  14. // your code goes here
  15. Scanner in = new Scanner(System.in);
  16. k = in.nextInt();
  17. pattern1(n);
  18. }
  19. static void pattern1(int j){
  20. if(j==k+1) return;
  21. pattern2(j);
  22. System.out.println();
  23. j++;
  24. pattern1(j);
  25. }
  26. static void pattern2(int m){
  27. // System.out.println(m);
  28. if(m==0) return;
  29. System.out.print("*");
  30. pattern2(m-1);
  31. }
  32. }
Success #stdin #stdout 0.11s 53048KB
stdin
4
stdout
*
**
***
****