There are a ton of interview questions for software engineers and data scientists that involve two dimensional arrays.

In this video I show you my favorite interview tricks for arrays: doing index math rather than sequential iteration.

I cover everything you need to be successful:

- How to recognize these problems in the wild regardless of the domain or wording

- The most useful algorithms for solving these problems

- Code snippets and tricks to reduce implementation errors and increase speed

Table of Contents

0:36 - Trick for 1D array

1:51 - 2D Array: recognize varied problem domains

3:09 - Trick for finding nearest neighbors

6:57 - Trick for finding geometric neighbors

7:30 - Trick for blob detection

See the YouTube video description for timestamp links: https://www.youtube.com/watch?v=rvIjVmlyZy0

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