U have an array of +ve integers arranged in the descending
order . Write a functionb thast take an integer & an integer
array as an integer and returns the position of the given
integer in the array , if the integer is not present in the
array it should return -1 . the serching technique that u
use should be very efficient both in terms of time & memory.
if array a conatins 'n' elements and array b conatins 'n-1'
elements.array b has all element which are present in array
a but one element is missing in array b. find that
element.