Given a sorted array of size N and an integer K, find the position(0-based indexing) at which K is present in the array using binary search.
Example 1:
Input:
N = 5
arr[] = {1 2 3 4 5}
K = 4
Output: 3
Explanation: 4 appears at index 3.
Example 2:
Input:
N = 5
arr[] = {11 22 33 44 55}
K = 445
Output: -1
Explanation: 445 is not present.