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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. 		// your code goes here
  13. 		//Spiral Matrix
  14. 		Scanner in=new Scanner(System.in);
  15. 		int n=in.nextInt();
  16. 		int a[][]=new int[n][n];
  17. 		for(int i=0;i<n;i++)
  18. 		{
  19. 			for(int j=0;j<n;j++)
  20. 			{
  21. 				a[i][j]=in.nextInt();
  22. 			}
  23. 		}
  24. 			for(int i=0;i<n;i++)
  25. 		{
  26. 			if(i%2==0)
  27. 			{
  28. 				for(int j=0;j<n;j++)
  29. 				{
  30. 					System.out.print(a[i][j]+" ");
  31. 				}
  32. 				System.out.println();
  33. 			}
  34. 			else if(i%2!=0)
  35. 			{
  36. 				for(int j=n-1;j>=0;j--)
  37. 				{
  38. 					System.out.print(a[i][j]+" ");
  39. 				}
  40. 				System.out.println();
  41. 			}
  42. 		}
  43. 	}
  44. }
Success #stdin #stdout 0.13s 36056KB
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https://ideone.com/X1BBwx
language:
Java (HotSpot 12)
created:
4 years ago
visibility:
public

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