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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 Task1
  9. {
  10. 	public static void main (String[] args) throws java.lang.Exception
  11. 	{
  12. 		int n=4;
  13. 		String s="";
  14. 		String t="";
  15.  
  16. 		for(int i=1;i<=4;i++)
  17. 		{
  18. 			s=s+i;
  19.  
  20. 			System.out.println(s+t);
  21. 			 t=i+t;
  22. 		}
  23. 	}
  24. }
Success #stdin #stdout 0.05s 4386816KB
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1
121
12321
1234321
https://ideone.com/rpu8U7
language:
Java (HotSpot 12)
created:
6 years ago
visibility:
public

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