Dynamic Programming For Coding Interviews

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Dynamic Programming for Coding Interviews

Meenakshi,Kamal Rawat
Dynamic Programming for Coding Interviews Book PDF

Author : Meenakshi,Kamal Rawat
Publisher : Notion Press
Page : 145 pages
File Size : 52,6 Mb
Release : 2017-01-18
Category : Computers
ISBN : 9781946556707

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Dynamic Programming for Coding Interviews by Meenakshi,Kamal Rawat Pdf

I wanted to compute 80th term of the Fibonacci series. I wrote the rampant recursive function, int fib(int n){ return (1==n || 2==n) ? 1 : fib(n-1) + fib(n-2); } and waited for the result. I wait… and wait… and wait… With an 8GB RAM and an Intel i5 CPU, why is it taking so long? I terminated the process and tried computing the 40th term. It took about a second. I put a check and was shocked to find that the above recursive function was called 204,668,309 times while computing the 40th term. More than 200 million times? Is it reporting function calls or scam of some government? The Dynamic Programming solution computes 100th Fibonacci term in less than fraction of a second, with a single function call, taking linear time and constant extra memory. A recursive solution, usually, neither pass all test cases in a coding competition, nor does it impress the interviewer in an interview of company like Google, Microsoft, etc. The most difficult questions asked in competitions and interviews, are from dynamic programming. This book takes Dynamic Programming head-on. It first explain the concepts with simple examples and then deep dives into complex DP problems.

DYNAMIC PROGRAMMING FOR CODING

Meenakshi,Kamal Rawat
DYNAMIC PROGRAMMING FOR CODING Book PDF

Author : Meenakshi,Kamal Rawat
Publisher : Notion Press
Page : 144 pages
File Size : 46,8 Mb
Release : 2017-01-16
Category : Computers
ISBN : 1946556696

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DYNAMIC PROGRAMMING FOR CODING by Meenakshi,Kamal Rawat Pdf

I wanted to compute 80th term of the Fibonacci series. I wrote the rampant recursive function, int fib(int n){ return (1==n 2==n) ? 1: fib(n-1) + fib(n-2); } and waited for the result. I wait... and wait... and wait... With an 8GB RAM and an Intel i5 CPU, why is it taking so long? I terminated the process and tried computing the 40th term. It took about a second. I put a check and was shocked to find that the above recursive function was called 204,668,309 times while computing the 40th term. More than 200 million times? Is it reporting function calls or scam of some government? The Dynamic Programming solution computes 100th Fibonacci term in less than fraction of a second, with a single function call, taking linear time and constant extra memory. A recursive solution, usually, neither pass all test cases in a coding competition, nor does it impress the interviewer in an interview of company like Google, Microsoft, etc. The most difficult questions asked in competitions and interviews, are from dynamic programming. This book takes Dynamic Programming head-on. It first explain the concepts with simple examples and then deep dives into complex DP problems.

Cracking the Coding Interview

Gayle Laakmann McDowell
Cracking the Coding Interview Book PDF

Author : Gayle Laakmann McDowell
Publisher : CreateSpace
Page : 0 pages
File Size : 43,6 Mb
Release : 2011
Category : Computer programmers
ISBN : 1466208686

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Cracking the Coding Interview by Gayle Laakmann McDowell Pdf

Now in the 5th edition, Cracking the Coding Interview gives you the interview preparation you need to get the top software developer jobs. This book provides: 150 Programming Interview Questions and Solutions: From binary trees to binary search, this list of 150 questions includes the most common and most useful questions in data structures, algorithms, and knowledge based questions. 5 Algorithm Approaches: Stop being blind-sided by tough algorithm questions, and learn these five approaches to tackle the trickiest problems. Behind the Scenes of the interview processes at Google, Amazon, Microsoft, Facebook, Yahoo, and Apple: Learn what really goes on during your interview day and how decisions get made. Ten Mistakes Candidates Make -- And How to Avoid Them: Don't lose your dream job by making these common mistakes. Learn what many candidates do wrong, and how to avoid these issues. Steps to Prepare for Behavioral and Technical Questions: Stop meandering through an endless set of questions, while missing some of the most important preparation techniques. Follow these steps to more thoroughly prepare in less time.

Coding Interviews

Harry He
Coding Interviews Book PDF

Author : Harry He
Publisher : Apress
Page : 292 pages
File Size : 47,9 Mb
Release : 2013-01-31
Category : Computers
ISBN : 9781430247623

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Coding Interviews by Harry He Pdf

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.

Dynamic Programming for Coding Interviews

Meenakshi Rawat,Kamal Rawat
Dynamic Programming for Coding Interviews Book PDF

Author : Meenakshi Rawat,Kamal Rawat
Publisher : Independently Published
Page : 0 pages
File Size : 42,9 Mb
Release : 2023-03-10
Category : Electronic
ISBN : 9798386441050

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Dynamic Programming for Coding Interviews by Meenakshi Rawat,Kamal Rawat Pdf

On a computer, where the non-recursive Dynamic Programming solution to compute the n'th Fibonacci term takes 1 second to find the 40th term, the corresponding recursive solution will take approximately 56 hours to find the same 40th Fibonacci term. It is because the small innocent-looking recursive solution of Fibonacci takes exponential time, whereas the DP solution takes linear time. Dynamic programming questions are the most difficult to answer in competitions and interviews. In most coding competitions, a recursive solution will not pass all test cases. This book takes dynamic programming head-on.

Dynamic Programming for the Day Before Your Coding Interview

Ue Kiao,Aditya Chatterjee
Dynamic Programming for the Day Before Your Coding Interview Book PDF

Author : Ue Kiao,Aditya Chatterjee
Publisher : Unknown
Page : 52 pages
File Size : 49,7 Mb
Release : 2020-04-28
Category : Electronic
ISBN : 9798640923216

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Dynamic Programming for the Day Before Your Coding Interview by Ue Kiao,Aditya Chatterjee Pdf

Dynamic Programming is a fundamental algorithmic technique which is behind solving some of the toughest computing problems.In this book, we have covered some Dynamic Programming problems which will give you the general idea of formulating a Dynamic Programming solution and some practice on applying it on a variety of problems.Some of the problems we have covered are: * Permutation coefficientThis is a basic problem but is significant in understanding the idea behind Dynamic Programming. We have used this problem to: * Present the two core ideas of Dynamic Programming to make the idea clear and help you understand what Dynamic Programming mean. * Show another approach which can same performance (in terms of time complexity) and understand how it is different from our Dynamic Programming approach* Longest Common SubstringThis is an important problem as we see how we can apply Dynamic Programming in string problems. In the process, we have demonstrated the core ideas of handling string data which helps in identifying the cases when Dynamic Programming is the most efficient approach.* XOR valueThis is another significant problem as we are applying Dynamic Programming on a Number Theory problem more specifically problem involving subset generation. The search space is exponential in size but with our efficient approach, we can search the entire data in polynomial time which is a significant improvement.This brings up a fundamental power of Dynamic Programming: Search exponential search space in polynomial time* K edgesIn line with our previous problems, in this problem, we have applied Dynamic Programming in a graph-based problem. This is a core problem as in this we learn that: * Dynamic Programming makes the solution super-efficient * Extending the Dynamic Programming solution using Divide and Conquer enables us to solve it more efficientlyThis problem shows a problem where Dynamic Programming is not the most efficient solution but is in the right path.We have covered other relevant solutions and ideas as well so that you have the complete idea of the problems and understand deeply the significance of Dynamic Programming in respect to the problems.This book has been carefully prepared and reviewed by Top programmers and Algorithmic researchers and members of OpenGenus. We would like to thank Aditya Chatterjee and Ue Kiao for their expertise in this domain and reviews from professors at The University of Tokyo and Tokyo Institute of Technology.Read this book now and ace your upcoming coding interview. This is a must read for everyone preparing for Coding Interviews at top companies.

Elements of Programming Interviews

Adnan Aziz,Tsung-Hsien Lee,Amit Prakash
Elements of Programming Interviews Book PDF

Author : Adnan Aziz,Tsung-Hsien Lee,Amit Prakash
Publisher : EPI
Page : 504 pages
File Size : 42,9 Mb
Release : 2012-10-11
Category : Computers
ISBN : 9781479274833

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Elements of Programming Interviews by Adnan Aziz,Tsung-Hsien Lee,Amit Prakash Pdf

The core of EPI is a collection of over 300 problems with detailed solutions, including 100 figures, 250 tested programs, and 150 variants. The problems are representative of questions asked at the leading software companies. The book begins with a summary of the nontechnical aspects of interviewing, such as common mistakes, strategies for a great interview, perspectives from the other side of the table, tips on negotiating the best offer, and a guide to the best ways to use EPI. The technical core of EPI is a sequence of chapters on basic and advanced data structures, searching, sorting, broad algorithmic principles, concurrency, and system design. Each chapter consists of a brief review, followed by a broad and thought-provoking series of problems. We include a summary of data structure, algorithm, and problem solving patterns.

Think Like a Programmer

V. Anton Spraul
Think Like a Programmer Book PDF

Author : V. Anton Spraul
Publisher : No Starch Press
Page : 260 pages
File Size : 42,8 Mb
Release : 2012-08-12
Category : Computers
ISBN : 9781593274566

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Think Like a Programmer by V. Anton Spraul Pdf

The real challenge of programming isn't learning a language's syntax—it's learning to creatively solve problems so you can build something great. In this one-of-a-kind text, author V. Anton Spraul breaks down the ways that programmers solve problems and teaches you what other introductory books often ignore: how to Think Like a Programmer. Each chapter tackles a single programming concept, like classes, pointers, and recursion, and open-ended exercises throughout challenge you to apply your knowledge. You'll also learn how to: –Split problems into discrete components to make them easier to solve –Make the most of code reuse with functions, classes, and libraries –Pick the perfect data structure for a particular job –Master more advanced programming tools like recursion and dynamic memory –Organize your thoughts and develop strategies to tackle particular types of problems Although the book's examples are written in C++, the creative problem-solving concepts they illustrate go beyond any particular language; in fact, they often reach outside the realm of computer science. As the most skillful programmers know, writing great code is a creative art—and the first step in creating your masterpiece is learning to Think Like a Programmer.

Programming Interview Problems

Leonardo Rossi
Programming Interview Problems Book PDF

Author : Leonardo Rossi
Publisher : Unknown
Page : 182 pages
File Size : 40,8 Mb
Release : 2020-11-05
Category : Electronic
ISBN : 9798558191189

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Programming Interview Problems by Leonardo Rossi Pdf

Are you preparing for a programming interview? Would you like to work at one of the Internet giants, such as Google, Facebook, Amazon, Apple, Microsoft or Netflix? Are you looking for a software engineer position? Are you studying computer science or programming? Would you like to improve your programming skills? If the answer to any of these questions is yes, this book is for you! The book contains very detailed answers and explanations for the most common dynamic programming problems asked in programming interviews. The solutions consist of cleanly written code, with plenty of comments, accompanied by verbal explanations, hundreds of drawings, diagrams and detailed examples, to help you get a good understanding of even the toughest problems. The goal is for you to learn the patterns and principles needed to solve even dynamic programming problems that you have never seen before. Here is what you will get: A 180-page book presenting dynamic programming problems that are often asked in interviews. Multiple solutions for each problem, starting from simple but naive answers that are gradually improved until reaching the optimal solution. Plenty of detailed examples and walkthroughs, so that you can see right away how the solution works. 350+ drawings and diagrams which cater towards visual learners. Clear and detailed verbal explanations of how to approach the problems and how the code works. Analysis of time and space complexity. Discussion of other variants of the same problem, with solutions. Unit tests, including the reasoning behind choosing each one (edge case identification, performance evaluation etc.). Suggestions regarding what clarification questions you should ask, for each problem. Multiple solutions to the problems, where appropriate. General Python implementation tips. Wishing you the best of luck with your interviews!

Searching & Sorting for Coding Interviews

Meenakshi, Kamal Rawat
Searching Sorting for Coding Interviews Book PDF

Author : Meenakshi, Kamal Rawat
Publisher : Notion Press
Page : 278 pages
File Size : 52,7 Mb
Release : 2017-11-07
Category : Computers
ISBN : 9781947988231

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Searching & Sorting for Coding Interviews by Meenakshi, Kamal Rawat Pdf

Searching & sorting algorithms form the back bone of coding acumen of developers. This book comprehensively covers In-depth tutorial & analysis of all major algorithms and techniques used to search and sort across data structures. All major variations of each algorithm (e.g. Ternary, Jump, Exponential, Interpolation are variations of Binary search). 110 real coding interview questions as solved examples and unsolved problems. Case studies of implementation of searching and sorting in language libraries. Introduction to how questions are asked and expected to answer on online competitive coding and hiring platforms like hackerrank.com, codechef.com, etc. Introduction to data structures.

Daily Coding Problem

Alex Miller,Lawrence Wu
Daily Coding Problem Book PDF

Author : Alex Miller,Lawrence Wu
Publisher : Unknown
Page : 299 pages
File Size : 55,8 Mb
Release : 2019-01-31
Category : Electronic
ISBN : 1793296634

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Daily Coding Problem by Alex Miller,Lawrence Wu Pdf

Daily Coding Problem contains a wide variety of questions inspired by real programming interviews, with in-depth solutions that clearly take you through each core concept. You'll learn about: * Linked Lists * Arrays * Heaps * Trees * Graphs * Randomized Algorithms * Backtracking * Dynamic Programming * Stacks and Queues * Bit Manipulation * System Design

The The Complete Coding Interview Guide in Java

Anghel Leonard
The The Complete Coding Interview Guide in Java Book PDF

Author : Anghel Leonard
Publisher : Packt Publishing Ltd
Page : 788 pages
File Size : 41,9 Mb
Release : 2020-08-28
Category : Computers
ISBN : 9781839219177

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The The Complete Coding Interview Guide in Java by Anghel Leonard Pdf

Explore a wide variety of popular interview questions and learn various techniques for breaking down tricky bits of code and algorithms into manageable chunks Key FeaturesDiscover over 200 coding interview problems and their solutions to help you secure a job as a Java developerWork on overcoming coding challenges faced in a wide array of topics such as time complexity, OOP, and recursionGet to grips with the nuances of writing good code with the help of step-by-step coding solutionsBook Description Java is one of the most sought-after programming languages in the job market, but cracking the coding interview in this challenging economy might not be easy. This comprehensive guide will help you to tackle various challenges faced in a coding job interview and avoid common interview mistakes, and will ultimately guide you toward landing your job as a Java developer. This book contains two crucial elements of coding interviews - a brief section that will take you through non-technical interview questions, while the more comprehensive part covers over 200 coding interview problems along with their hands-on solutions. This book will help you to develop skills in data structures and algorithms, which technical interviewers look for in a candidate, by solving various problems based on these topics covering a wide range of concepts such as arrays, strings, maps, linked lists, sorting, and searching. You'll find out how to approach a coding interview problem in a structured way that produces faster results. Toward the final chapters, you'll learn to solve tricky questions about concurrency, functional programming, and system scalability. By the end of this book, you'll have learned how to solve Java coding problems commonly used in interviews, and will have developed the confidence to secure your Java-centric dream job. What you will learnSolve the most popular Java coding problems efficientlyTackle challenging algorithms that will help you develop robust and fast logicPractice answering commonly asked non-technical interview questions that can make the difference between a pass and a failGet an overall picture of prospective employers' expectations from a Java developerSolve various concurrent programming, functional programming, and unit testing problemsWho this book is for This book is for students, programmers, and employees who want to be invited to and pass interviews given by top companies. The book assumes high school mathematics and basic programming knowledge.

Coding Interview Questions

Narasimha Karumanchi
Coding Interview Questions Book PDF

Author : Narasimha Karumanchi
Publisher : Unknown
Page : 496 pages
File Size : 52,7 Mb
Release : 2012-05
Category : Electronic
ISBN : 8192107515

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Coding Interview Questions by Narasimha Karumanchi Pdf

"Coding Interview Questions" is a book that presents interview questions in simple and straightforward manner with a clear-cut explanation. This book will provide an introduction to the basics. It comes handy as an interview and exam guide for computer scientists. Programming puzzles for interviews Campus Preparation Degree/Masters Course Preparation Big job hunters: Apple, Microsoft, Google, Amazon, Yahoo, Flip Kart, Adobe, IBM Labs, Citrix, Mentor Graphics, NetApp, Oracle, Webaroo, De-Shaw, Success Factors, Face book, McAfee and many more Reference Manual for working people Topics Covered: Programming BasicsIntroductionRecursion and BacktrackingLinked Lists Stacks Queues Trees Priority Queue and HeapsGraph AlgorithmsSortingSearching Selection Algorithms [Medians] Symbol TablesHashing String Algorithms Algorithms Design Techniques Greedy Algorithms Divide and Conquer Algorithms Dynamic Programming Complexity Classes Design Interview Questions Operating System Concepts Computer Networking Basics Database Concepts Brain Teasers NonTechnical Help Miscellaneous Concepts Note: If you already have "Data Structures and Algorithms Made Easy" no need to buy this.

Programming Interviews Exposed

John Mongan,Noah Suojanen Kindler,Eric Giguère
Programming Interviews Exposed Book PDF

Author : John Mongan,Noah Suojanen Kindler,Eric Giguère
Publisher : John Wiley & Sons
Page : 253 pages
File Size : 42,6 Mb
Release : 2011-08-10
Category : Computers
ISBN : 9781118169384

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Programming Interviews Exposed by John Mongan,Noah Suojanen Kindler,Eric Giguère Pdf

The pressure is on during the interview process but with the right preparation, you can walk away with your dream job. This classic book uncovers what interviews are really like at America's top software and computer companies and provides you with the tools to succeed in any situation. The authors take you step-by-step through new problems and complex brainteasers they were asked during recent technical interviews. 50 interview scenarios are presented along with in-depth analysis of the possible solutions. The problem-solving process is clearly illustrated so you'll be able to easily apply what you've learned during crunch time. You'll also find expert tips on what questions to ask, how to approach a problem, and how to recover if you become stuck. All of this will help you ace the interview and get the job you want. What you will learn from this book Tips for effectively completing the job application Ways to prepare for the entire programming interview process How to find the kind of programming job that fits you best Strategies for choosing a solution and what your approach says about you How to improve your interviewing skills so that you can respond to any question or situation Techniques for solving knowledge-based problems, logic puzzles, and programming problems Who this book is for This book is for programmers and developers applying for jobs in the software industry or in IT departments of major corporations. Wrox Beginning guides are crafted to make learning programming languages and technologies easier than you think, providing a structured, tutorial format that will guide you through all the techniques involved.

7 days with Dynamic Programming

Aditya Chatterjee,Ue Kiao, PhD
7 days with Dynamic Programming Book PDF

Author : Aditya Chatterjee,Ue Kiao, PhD
Publisher : OpenGenus
Page : 46 pages
File Size : 51,5 Mb
Release : 2020-08-24
Category : Computers
ISBN : 8210379456XXX

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7 days with Dynamic Programming by Aditya Chatterjee,Ue Kiao, PhD Pdf

Become Dynamic Programming Master in 7 days Do share your review with us. It will help us help you better. 👌 Dynamic Programming is one of the most important algorithmic domains and is equally challenging. With practice and correct way of thinking, you can master it easily. If a problem takes O(2^N) time to search a solution among possible solutions, Dynamic Programming has the potential to reduce it to O(N) or polynomial time thereby reducing the search space. We will attempt one problem every day in this week and analyze the problem deeply. Our schedule: • Day 1: Introduction + Longest Increasing Subsequence • Day 2: 2D version of Day 1 problems • Day 3: Dynamic Programming on Strings • Day 4: Modified version of Day 3 problems • Day 5: Dynamic Programming for String patterns (Longest Palindromic Substring) • Day 6: Modified version of Day 4 problems • Day 7: 2 conditions on 1 data point On following this routine sincerely, you will get a strong hold on Dynamic Programming and will be able to attempt interview and real-life problems easily. #7daysOfAlgo: a 7-day investment to Algorithmic mastery.