Decided to take a stab at “Binary Search: Ice Cream Parlor” challenge in Hacker Rank. If interested you can get the requirements at the following URL: https://www.hackerrank.com/challenges/ctci-ice-cream-parlor

The general idea is to solve the sum of two numbers. I will address more on the subject of sum of two numbers on the second part of this post.

It is **nice** that Hacker Rank has been putting links to short videos with some challenges. In this case there is a video on Binary Search by Gayle Laakmann McDowell author of “Cracking the Coding Interview”. I watched the video. It was simple and to the point. Gayle covers the subject with an implementation using a **recursive** approach which she then converts to a loop implementation. Continue reading “Ice Cream Parlor – Part I”