How to Find a Missing Element in Array - Whiteboard Programming Solution

Hello Everyone!

In this video, we are going to solve the Missing Array Element problem.

This is an easy problem and a good place to start practicing for whiteboard interviews.

Here are the timestamps for the different sections:

00:15 - Introduction
00:44 - Problem statement with simple assumptions
01:33 - Brute force solution
02:34 - Using an unsorted list
04:01 - Eliminating extra loops for unsorted list solution
04:51 - XOR operation
05:46 - XOR solution


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