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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. 	static void lps(String pattern , int lpsarr[])
  11. 	{
  12. 		int len = 0;
  13. 		int i = 0;
  14.  
  15. 		while(i < lpsarr.length)
  16. 		{
  17. 			if(pattern.charAt(i) == pattern.charAt(len))
  18. 			{
  19. 				lpsarr[i] = len;
  20. 				len++;
  21. 				i++;
  22. 			}
  23. 			else
  24. 			{
  25. 				while(pattern.charAt(i) == pattern.charAt(len))
  26. 				{
  27. 					if(len == 0)
  28. 					{
  29. 						lpsarr[i] = 0;
  30. 						break;
  31. 					}
  32. 					len = lpsarr[len - 1];
  33. 				}
  34. 			}
  35. 		}
  36. 	}
  37. 	public static void main (String[] args) throws java.lang.Exception
  38. 	{
  39. 		// your code goes here
  40.  
  41.  
  42. 		String pattern = "AAAAA";
  43. 		int lpsarr[] = new int[pattern.length()];
  44. 		lps(pattern , lpsarr);
  45.  
  46. 		for(int i = 0 ; i < lpsarr.length ; i++)
  47. 		{
  48. 			System.out.print(lpsarr[i] + " ");
  49. 		}
  50. 		System.out.println();
  51. 	}
  52. }
Success #stdin #stdout 0.05s 4386816KB
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https://ideone.com/7yAwUQ
language:
Java (HotSpot 12)
created:
6 years ago
visibility:
public

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