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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.         printSpiral1(new int[][]{{1,2}}, 1 ,2);
  13.         printSpiral1(new int[][] {{ 1, 2, 3 }, { 16, 17, 4 }, { 15, 18, 5 },{ 14, 19, 6 }, { 13, 20, 7 },{ 12, 21, 8 },{ 11, 10, 9 } }, 7 ,3);
  14.  
  15. 	}
  16.  
  17. 	public static void printSpiral1(int array[][],int row,int col){
  18.  
  19.         int rowStart=0,colStart=0,rowEnd=row-1,colEnd=col-1;
  20.         int i;
  21.  
  22.         while(rowStart<=rowEnd && colStart<= colEnd){
  23.  
  24.             for(i=colStart;i<=colEnd;i++)
  25.                 System.out.print(" "+array[rowStart][i]);   
  26.  
  27.             for(i=rowStart+1;i<=rowEnd;i++)
  28.                 System.out.print(" "+array[i][colEnd]); 
  29.  
  30.             for(i=colEnd-1;i>=colStart;i--)
  31.                 System.out.print(" "+array[rowEnd][i]); 
  32.  
  33.             for(i=rowEnd-1;i>=rowStart+1;i--)
  34.                 System.out.print(" "+array[i][colStart]);   
  35.  
  36.             rowStart++;
  37.             colStart++;
  38.             rowEnd--;
  39.             colEnd--;
  40.         }
  41.         System.out.println();
  42.     }
  43. }
Success #stdin #stdout 0.07s 380160KB
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https://ideone.com/LdX63s
language:
Java (HotSpot 12)
created:
10 years ago
visibility:
public

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