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Gareth Dwyer

https://www.linkedin.com/in/garethdwyer/

Gareth is a senior software developer who worked as Head of Technology at an ed-tech start-up before founding his technical publishing agency, where he produces articles and tutorials on software engineering, machine Learning, DevOps, and more. Gareth has a Master’s degree in Computational Linguistics and is comfortable in multiple coding languages, with a preference for Python and Java.

Latest articles by Gareth Dwyer:

How to answer coding interview questions

Amazon, Apple, Google +2 others

Software engineer, Engineering manager

Data structure & algorithms

How to answer coding interview questions

Everything you need to know to answer coding interview questions at top tech companies like Facebook, Amazon, and Google. Learn a framework and practice with an example answer.

Data structure interview questions

Data structure & algorithms

The Ultimate Data Structure Interview Questions List (Google, Meta, etc)

73 data structure interview questions, from arrays and strings to trees, graphs, heap, etc, all with links to high-quality solutions. Plus, the ultimate cheat sheet for your coding interview.

String interview questions

Software engineer, Engineering manager

51 string interview questions (coding problems with solutions)

List of string questions for coding interviews with links to high-quality solutions, plus a string refresher and cheat sheet.

Big O and complexity analysis

Software engineer, Engineering manager

Analytical thinking, Data structure & algorithms

Complete guide to big-O notation and complexity analysis

Detailed explanation on big-O complexity analysis, including high quality diagrams, example problems, and a handy cheat sheet. The finale of our coding prep series to help you ace your software engineer interview.

Algorithms questions and solutions with cheat sheet

Data structure & algorithms

71 algorithm interview questions (with solutions and cheat sheet)

71 algorithm interview questions, from depth-first search to breadth-first search and sorting, backtracking, divide and conquer, etc, all with links to high-quality solutions. Plus, the ultimate cheat sheet for your coding interview.

divide and conquer interview questions

Data structure & algorithms

50 divide and conquer interview questions [easy, medium, hard]

50 divide and conquer interview questions, all with links to high-quality solutions, plus an interview preparation guide. Part 8 of our algorithms questions series to help you practice for your software engineer interview.

Backtracking interview questions

Data structure & algorithms

47 backtracking interview questions [easy, medium, hard]

47 backtracking interview questions, all with links to high-quality solutions, plus an interview preparation guide. Part 7 of our algorithms questions series to help you practice for your software engineer interview.

Greedy algorithm interview questions

Data structure & algorithms

50 greedy algorithm interview questions

50 greedy algorithm interview questions, all with links to high-quality solutions, plus an interview preparation guide. Part 6 of our algorithms questions series to help you practice for your software engineer interview.