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Coding Interviews

Questions, Analysis & Solutions

  • Book
  • © 2012

Overview

Authors:
  1. Harry He
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  • It is written from interviewers' perspective. It illustrates the expected solution of each coding problem, and the standards in interviewers' mind to evaluate different solutions.

  • Beside solutions, it also provides detailed analysis of each interview question. It focuses more on approaches to reaching solutions, rather than just provides solutions.

  • There is executable and debug-able source code accompanying this book, to enhance readers' understanding of the selected more than 100 interview questions.

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Table of contents (9 chapters)

  1. Front Matter

    Pages i-xviii
    Download chapter PDF

  2. Interview Process

    • Harry He
    Pages 1-12

  3. Programming Languages

    • Harry He
    Pages 13-32

  4. Data Structures

    • Harry He
    Pages 33-74

  5. Algorithms

    • Harry He
    Pages 75-109

  6. High Quality Code

    • Harry He
    Pages 111-141

  7. Approaches to Solutions

    • Harry He
    Pages 143-185

  8. Optimization

    • Harry He
    Pages 187-218

  9. Skills for Interviews

    • Harry He
    Pages 219-262

  10. Interview Cases

    • Harry He
    Pages 263-274

  11. Back Matter

    Pages 275-281
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About this book

This book is about coding interview questions from software and Internet companies. It covers five key factors which determine performance of candidates: (1) the basics of programming languages, data structures and algorithms, (2) approaches to writing code with high quality, (3) tips to solve difficult problems, (4) methods to optimize code, (5) soft skills required in interviews. The basics of languages, algorithms and data structures are discussed as well as questions that explore how to write robust solutions after breaking down problems into manageable pieces. It also includes examples to focus on modeling and creative problem solving.

Interview questions from the most popular companies in the IT industry are taken as examples to illustrate the five factors above. Besides solutions, it contains detailed analysis, how interviewers evaluate solutions, as well as why they like or dislike them. The author makes clever use of the fact that interviewees will have limited time to program meaningful solutions which in turn, limits the options an interviewer has. So the author covers those bases.

Readers will improve their interview performance after reading this book. It will be beneficial for them even after they get offers, because its topics, such as approaches to analyzing difficult problems, writing robust code and optimizing, are all essential for high-performing coders.

About the author

Harry has been a senior software engineer at Cisco since September 2010. His primary work involves development of Cesium, which is a platform for Cisco to monitor and control hardware quality of its partners (OEM/ODM). Prior to joining Cisco, Harry was associated with Autodesk and Microsoft for development of Map 3D and Winforms respectively. Over the years, he has interviewed more than 100 candidates for different corporations. His interest lies in coding interview questions. He has written dozens of blogs on this topic. Harry's published works include a book about programming interview questions in Chinese, which was released in December 2011 with PHEI, China. He has exhaustive knowledge, experience and understanding of code related questions and interviews. He also published a paper in the special issue of CASA 2005 with Wiley.

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