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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. import java.util.Scanner;
  7.  
  8. /* Name of the class has to be "Main" only if the class is public. */
  9. class Ideone
  10. {
  11. 	public static void main (String[] args) throws java.lang.Exception
  12. 	{
  13. 		Scanner in =  new Scanner(System.in);
  14. 		int n, h=0, k=0;
  15. 		n = in.nextInt();
  16.     	int[] A = new int [n];
  17. 		for ( int i = 0; i < n; i++ ) {
  18.     		A[i] = in.nextInt();
  19. 		}
  20. 		for ( int i = 0; i < n; i++ ) {
  21.     		if ( A[n-1] == A[i] ) 
  22.     		{
  23.             	int t = 1;
  24.             	for ( int j = i + 1; j < n - 1; j++ ) 
  25.             	{
  26.             		if ( A[j] != A[ n - 1 - t ] )
  27.             		{
  28.                     	k++;
  29.                 	}
  30.                 	t++;
  31.         		}
  32.             	if ( k == 0 ) 
  33.             	{
  34.             		h = i;
  35.                 	break;
  36.             	}
  37.             	else k = 0;
  38.         	}
  39.     	}
  40.     	System.out.print(h);
  41. 	}
  42. }
Success #stdin #stdout 0.06s 2184192KB
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https://ideone.com/0xevqt
language:
Java (HotSpot 12)
created:
5 years ago
visibility:
public

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