Solution Review: Missing Number
We solved the problem using lookup (hashtable), using the mathematical formula. Let's solve this more efficiently using bit-level operations with XOR and then optimize the solution.
Arrays From Zero To Mastery: A Complete Notes For Programmers
This article discusses array data structure with sketches, memory diagrams, array capacity vs. length, strengths & weaknesses, big-O complexities, and more!
Bit Manipulation Course Overview
Overview In this course, you will learn how to solve problems using bit manipulation, a powerful technique that can be used to optimize your algorithmic and problem-solving skills. This is one of the most important/critical topics when someone starts preparing for coding interviews for FAANG companies. To kick things
Find Even Number Of Digits in an Array
This problem tests your knowledge of mathematics. Solving this problem helps you find the place values and how they are represented in the decimal number system.