Method main

TCS/Que 6/Solution.java:4–53

(String[]args)

class Solution
{
    public static void main (String[]args)
    {
        Scanner sc = new Scanner (System.in);
        int n = sc.nextInt ();
        char arr[] = new char[n];
        for (int i = 0; i < n; i++)
            arr[i] = sc.next ().charAt (0);
        int lower[] = new int[26];
        int upper[] = new int[26];

        for (int i = 0; i < n; i++)
    {
	    if ((arr[i] >= 'A') && (arr[i] <= 'Z'))
	        upper[arr[i] - 'A']++;
	    else if ((arr[i] >= 'a') && (arr[i] <= 'z'))
	            lower[arr[i] - 'a']++;
    }
    boolean flag = false;
    char ch = '\0';
    for (int i = 0; i < n; i++)
      {
	    
	    if ((arr[i] >= 'A') && (arr[i] <= 'Z'))
	  {
	      
	        if (upper[arr[i] - 'A'] % 2 == 1)
	      
	      {
		        ch = (char) (arr[i]);
		        flag = true;
		        break;
	      }
	  }
    	else if ((arr[i] >= 'a') && (arr[i] <= 'z'))
	  {
	        if (lower[arr[i] - 'a'] % 2 == 1)
	      {
		        ch = (char) (arr[i]);
		        flag = true;
		        break;
	      }

	  }

      }
    if (flag == true)
      System.out.println (ch);
    else
      System.out.println ("All are even");
  }
}