Find range in O log(n)
Find range in O log(n)

Given and array and a target number. Find range
in the array for that target.

Signed-off-by: usman <f401817b1c291151da1ecb86661bd58ff18aa46f@gmail.com>

usmanajmal/coding-practice,usmanajmal/coding-practice,usmanajmal/coding-practice