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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. System.out.println("課題B-5");
  13. int i,a;
  14. for(i=0;i<10;i++){
  15. for(a=0;a<=i;a++){
  16. if(a<=i){
  17. System.out.print("#");
  18. }else{
  19. System.out.print(" ");
  20. }
  21. }
  22. System.out.println();
  23.  
  24. }
  25. }
  26. }
Success #stdin #stdout 0.07s 46712KB
stdin
Standard input is empty
stdout
課題B-5
#
##
###
####
#####
######
#######
########
#########
##########