fork download 
  1. import java.util.*;
  2. import java.lang.*;
  3.  
  4. class Main
  5. {
  6.  
  7. 	public static String reverse(String k)
  8. 	{
  9. 		StringBuilder sb = new StringBuilder();
  10. 		for ( int i = k.length() - 1; i >= 0; i-- )
  11. 		{
  12. 			sb.append( k.charAt( i ) );
  13. 		}
  14. 		return sb.toString();
  15. 	}
  16.  
  17. 	public static int maxMirror( int[] nums )
  18. 	{
  19. 		int sonuc = 0;
  20. 		StringBuilder s = new StringBuilder();
  21. 		s.append( ',' );
  22. 		for ( int i : nums )
  23. 		{
  24. 			s.append( i + "," );
  25. 		}
  26.  
  27.  
  28. 		for ( int i = 0; i < s.toString().length(); i++ )
  29. 		{
  30. 			int index = 0;
  31. 			while ( index < i + 1 )
  32. 			{
  33. 				String mevzubahis = s.substring( index, i + 1 );
  34. 				if ( s.toString().contains( reverse( mevzubahis ) ) && reverse( mevzubahis ).replaceAll( ",", "" ).length() > sonuc && s.charAt( i ) == ',' && s.charAt( index ) == ',' )
  35. 				{
  36. 					sonuc = reverse( mevzubahis ).replaceAll( ",", "" ).length();
  37. 				}
  38. 				index++;
  39. 			}
  40. 		}
  41. 		return sonuc;
  42. 	}
  43.  
  44. 	/**
  45. 	 * @param args
  46. 	 */
  47. 	public static void main( String[] args )
  48. 	{
  49. 		int[] nums1 = {1, 2, 3, 8, 9, 3, 2, 1};
  50. 		System.out.println(maxMirror(nums1));
  51.  
  52. 		int[] nums2 = {1, 2, 1, 4};
  53. 		System.out.println(maxMirror( nums2 ));
  54.  
  55. 		int[] nums3 = {7, 1, 2, 9, 7, 2, 1};
  56. 		System.out.println(maxMirror( nums3 ));
  57.  
  58. 		int[] nums4 = {21, 22, 9, 8, 7, 6, 23, 24, 6, 7, 8, 9, 25, 7, 8, 9 };
  59. 		System.out.println(maxMirror( nums4 ));
  60.  
  61. 	}
  62.  
  63.  
  64.  
  65. }
Success #stdin #stdout 0.1s 212416KB
comments (?)
stdin 
Standard input is empty
stdout 
3
3
2
4
https://ideone.com/PLi9I
language:
Java (HotSpot 12)
created:
13 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!