Fullstack Developer

You are given an array 'ARR' of the 'N' element. Your task is to find the maximum difference between any of the two elements from 'ARR'.

If the maximum difference is even print “EVEN” without quotes. If the maximum difference is odd print “ODD” without quotes.

For example:

Given 'ARR' = [1, 10, 5, 2, 8, 1 ] , answer is "ODD".
Here the maximum difference is between 10 and 1, 10 - 1 = 9

You are given an array of strings. Your task is to find the number of unique strings.

A string is considered unique if it cannot be formed from any other string, present in the array, even after applying the following operations any number of times and in any order:

1. Swapping two characters present at odd indices.

2. Swapping two characters present at even indices.

Note:

Strings contain only lowercase English alphabets.

Example:

Let the array of strings be [“abcd”, “cbad”, “bdac”, “adcb”]. From the given array, strings “abcd”, “cbad”, and “adcb” can be transformed into one another by applying the given operations. But “bdac” cannot be transformed into any other string. Hence, there are only 2 unique strings in the array.