Majority Element

Given an array of size n, find the majority element. The majority element is the element that appears more than floor(n/2) times.

You may assume that the array is non-empty and the majority element always exist in the array.

Example :

Input : [2, 1, 2]
Return  : 2 which occurs 2 times which is greater than 3/2. 
NOTE: You only need to implement the given function. Do not read input, instead use the arguments to the function. Do not print the output, instead return values as specified. Still have a doubt? Checkout Sample Codes for more details.
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