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string findNumber(vector arr, int k)

{

//code here

}

Given an unsorted array of n elements, find if the element k is present in the array or not. Complete the findNumber function in the editor below. It has 2 parameters 1. An array of integers, arr, denoting the elements in the array 2. An integer, k, denoting the element to be searched in the array The function must return a string "YES" or "NO" denoting if the element is present in the array or not. Input Format The first line contains an integer n, denoting the number of elements in the array arr Each line i of the n subsequent lines (where Osi<>