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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. for (int i=1; i<10; i+=2){
  13. for (int k=0; k < (4 - i / 2); k++){
  14. System.out.print(" ");
  15. }
  16. int number = 1;
  17. for (int j=0; j < (i/2); j++){
  18. System.out.print(number);
  19. number *= 2;
  20. }
  21. for (int j= (i/2); j < i; j++){
  22. System.out.print(number);
  23. number /= 2;
  24. }
  25. System.out.println("");
  26. }
  27. }
  28. }
Success #stdin #stdout 0.09s 320576KB
stdin
Standard input is empty
stdout
    1
   121
  12421
 1248421
1248168421