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Cracking the Coding Interview: 189 Programming Questions and Solutions (Cracking the Interview & Career) 6th Edition

4.7 4.7 out of 5 stars 8,979 ratings
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I am not a recruiter. I am a software engineer. And as such, I know what it's like to be asked to whip up brilliant algorithms on the spot and then write flawless code on a whiteboard. I've been through this as a candidate and as an interviewer.

Cracking the Coding Interview, 6th Edition is here to help you through this process, teaching you what you need to know and enabling you to perform at your very best. I've coached and interviewed hundreds of software engineers. The result is this book.

Learn how to uncover the hints and hidden details in a question, discover how to break down a problem into manageable chunks, develop techniques to unstick yourself when stuck, learn (or re-learn) core computer science concepts, and practice on 189 interview questions and solutions.

These interview questions are real; they are not pulled out of computer science textbooks. They reflect what's truly being asked at the top companies, so that you can be as prepared as possible. WHAT'S INSIDE?

  • 189 programming interview questions, ranging from the basics to the trickiest algorithm problems.
  • A walk-through of how to derive each solution, so that you can learn how to get there yourself.
  • Hints on how to solve each of the 189 questions, just like what you would get in a real interview.
  • Five proven strategies to tackle algorithm questions, so that you can solve questions you haven't seen.
  • Extensive coverage of essential topics, such as big O time, data structures, and core algorithms.
  • A behind the scenes look at how top companies like Google and Facebook hire developers.
  • Techniques to prepare for and ace the soft side of the interview: behavioral questions.
  • For interviewers and companies: details on what makes a good interview question and hiring process.

Illustrations noteIllustrations: Illustrations, black and white

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Previous page
  1. ISBN-10
    0984782869
  2. ISBN-13
    978-0984782857
  3. Edition
    6th
  4. Publication date
    July 1, 2015
  5. Part of series
    Cracking the Interview & Career
  6. Language
    English
  7. Dimensions
    7 x 1.59 x 10 inches
  8. Print length
    687 pages
  9. See all details
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Editorial Reviews

About the Author

Gayle Laakmann McDowell is the founder and CEO of CareerCup and the author of Cracking the PM Interview and Cracking the Tech Career.

Her background is in software development. She has worked as a software engineer at Google, Microsoft, and Apple. At Google, she interviewed hundreds of software engineers and evaluated thousands of hiring packets on the hiring committee. She holds a B.S.E. and M.S.E. in computer science from the University of Pennsylvania and an MBA from the Wharton School.

She now consults with tech companies to improve their hiring process and with startups to prepare them for acquisition interviews.

Product details

  • ASIN ‏ : ‎ 0984782850
  • Publisher ‏ : ‎ CareerCup; 6th edition (July 1, 2015)
  • Language ‏ : ‎ English
  • Paperback ‏ : ‎ 687 pages
  • ISBN-10 ‏ : ‎ 0984782869
  • ISBN-13 ‏ : ‎ 978-0984782857
  • Item Weight ‏ : ‎ 2.9 pounds
  • Dimensions ‏ : ‎ 7 x 1.59 x 10 inches
  • Customer Reviews:
    4.7 4.7 out of 5 stars 8,979 ratings

About the author

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Gayle Laakmann McDowell

Gayle Laakmann McDowell

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Gayle Laakmann McDowell is an author, consultant, and founder focusing on improving tech hiring for both the interviewer and the candidate.

Gayle has worked as an engineer for Google, Microsoft, and Apple. Most recently, at Google, she served on the hiring committee where she interviewed hundreds of candidates and evaluated thousands more. It was here that she discovered the disconnect between candidates, their skill set, and their interview performance.

Though her company, CareerCup, Gayle has worked with many of the top tech companies to reform their hiring practices and implement interviewer training programs.

She is the author and creator the best-selling Cracking the Interview & Career series: Cracking the Coding Interview, Cracking the PM Interview (co-authored with Jackie Bavaro), Cracking the PM Career (co-authored with Jackie Bavaro), and Cracking the Tech Career

Gayle holds a bachelor's and master's in Computer Science from the University of Pennsylvania and an MBA from the Wharton School of Business.

She currently consults, writes, and codes from her home in Palo Alto, California. She can be found online at gayle.com, twitter (@gayle), and facebook (@gayle).

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Top reviews from the United States

Aditya Dhulipala
5.0 out of 5 stars It's a great book
Reviewed in the United States on September 20, 2016
Verified Purchase
While this book is meant for interview practice, I would recommend you still read it just for fun if you're into algorithms.

I've always believed that there's no "crack" to coding interviews; it's just a matter of whether you can code or not (well, at least at those sane companies not filling up school buses with golf balls). And that requires practice. Lots of practice. Which is why I spent all my free time working out problems on Hackerrank. For me, this went well . . . for a while.

But there comes a point at which you get stuck. I remember working on some hackerrank problems in the medium to hard difficulty which I would not be able to proceed for weeks and weeks. No amount of googling for information, discussion boards or stack overflow threads paint a complete picture to help you when you're stuck.

After countless such occasions and failing a few interviews, I gave in and bought this book. After all it was $20 - the cost of an uber to work.
Now, I wish I had bought this sooner!

Within reading the first two chapters I've already learnt so much about how to think about coding problems. There's also a nice collections of custom data structures at the end of the book. I've swiped some data structures straight out of this book and use them in my day-to-day life too.

Gayle has done a tremendous job of using words to explain how that weird gooey gel inside your head moves like when problem-solving. She deconstructs every approach to tackle a problem into atomic pieces. She goes into great depth about alternative designs, tradeoffs and runtime complexity. She talks about visualizing recursive calls as trees, thinking about BUD*, amortized analysis of ArrayList and much more. The great thing is that Gayle goes into copious amounts of details for each solution - she talks about how to start from a brute force solutions and optimize each component one-by-one and talks about tradeoffs in approaches.

Overall, I think this a very helpful book. I would recommend you begin reading this book immediately after your first course on Algorithms. It will certainly help drill down the concepts and help strengthen your fundamentals.

*BUD is a special term the author uses to describe strategies to optimize solutions
15 people found this helpful
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Laurie
5.0 out of 5 stars Great Book!
Reviewed in the United States on February 22, 2024
Verified Purchase
A Great Book with great info.
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Amazon Customer
5.0 out of 5 stars I was never a smart student in the classroom
Reviewed in the United States on November 9, 2017
Verified Purchase
I was never a smart student in the classroom. However, I was lucky to get selected to the best Engineering college in the country, where only top 300 maths stream students from the whole country yearly get selected to the national University Program. I passed out in 2006, but was not selected to the CSE program, because only the smarted 50 was chosen. Since then I never thought I will ever learn programming, or I could never work in the lucrative Software Field. However later after the Uni, I developed an interest in learning Programming for my Living, and since then I kept learning ever since, failing at some places, never giving up, growing up with some confidence...But was a tough Journey. Trying many courses, working every day after hours, for 11 years continuously working hard generally more than 12 hours at average on this field, and Have read, and followed a lot of books, nothing truly makes me confident. I realized, somewhere I have missed some fundamentals, some patterns of thinking, which kept me scared and unconfident, keeping a doubt about my fundamental expertise, in a far unrecognize place of my heart.

Recently I got an interview call to work as a Google Contractor, which really impressed me. Again I found out, getting my self-prepared for such a challenge, I am not yet ready. I was feeling, I am missing some way of thinking. I got an Amazon interview. One of my friends recommend me this book, But by that I have already read, enough about the feedback for the book. I have my second interview for Amazon today, in other few hours. I am still not confident about Programming because I could not stay enough with the Book. However, I already have the feeling that this book is the most enlightening book, if you are like me, not very confident, not very super smart and still are planning to crack a coding interview with some smart answers. The book has extraordinarily smart real-world example solutions to some well-known/well-unknown interview questions, without which an average ordinary hardworking brain like of mine (not a college superstar nerd), could not imagine alone. Thank you, Gayle Laakmann McDowell. She is a Genious.
5 people found this helpful
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Top reviews from other countries

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Luka Moilinga
5.0 out of 5 stars Coding interview
Reviewed in Canada on September 30, 2023
Verified Purchase
It cover most of the coding questions. Good for preparing for programming job interview
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Jan
5.0 out of 5 stars Excelente recopilación de lo más importante en una entrevista TI
Reviewed in Mexico on August 11, 2023
Verified Purchase
Aplique para un empleo en amazon. Este libro documenta cómo es el proceso de evaluación y que no hay que saber todo pero, hay que tener un buen proceso mental.
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Gabriel
5.0 out of 5 stars Ótimo livro
Reviewed in Brazil on November 29, 2023
Verified Purchase
Perfeito para estudar
E dar ideias de projetos
Tcc
E falar dele na entrevista me fez ganhar uns potinhos a mais
One person found this helpful
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Beatriz
5.0 out of 5 stars Cracking the Code Interview
Reviewed in Spain on May 5, 2024
Verified Purchase
Really good explanation on how to approach interview questions.
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Mischa
5.0 out of 5 stars Lovely little bookshop, highly recommend!
Reviewed in the United Kingdom on January 1, 2024
Verified Purchase
In pristine condition with prompt delivery. Great book, thoroughly enjoyable if you like tech, that is.
Lovely little bookshop, sent me a thoughtful note, making me feel a special buyer. I can highly recommend. Will be ordering happily again.
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