data-structures-and-algorithms

401 data structures and algorithms code challenges

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Data Structures and Algorithms

Language: Python

array-binary-search

Write a function called BinarySearch which takes in 2 parameters: a sorted array and the search key. Without utilizing any of the built-in methods available to your language, return the index of the array’s element that is equal to the value of the search key, or -1 if the element is not in the array.

Whiteboard Process

challenge03

Approach & Efficiency

I had a hard time thinking of a way to split the list that worked for even or odd lists.