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Coderust: Hacking the Coding Interview

The ultimate guide to coding interviews. Developed by FAANG engineers, practice with real-world questions in top languages. Prep faster and get interview-ready in just a few hours.

4.5

116 lessons

40h

Created by Coderust

What's included

116 lessons across 13 modules
AI Tutor on every lesson

Join 3.1 million developers at

What You'll Learn

Prepare for coding interviews
Develop skills to analyze a problem statement and break it down into smaller problems
Learn to pick the right data structure and algorithm to solve a given problem
Gain experience with a diversity of programming problems and techniques
Learn to compare alternative solutions quantitatively in terms of their space and time complexity

Learning Roadmap

116 Lessons564 Challenges

Getting Started

Get familiar with coding interview essentials and hands-on problem-solving techniques.

Course Overview

Who Should Take This Course

Arrays

Unpack the core of essential array algorithms, including searches, rotations, and subarray challenges.

Implement Binary Search on a Sorted Array

Rotate an Array by N Elements

Search a Rotated Array

Find the Smallest Common Number

Find Low/High Index of a Key in a Sorted Array

Move All Zeros to the Beginning of the Array

Stock Buy Sell to Maximize Profit

Merge an Array With Overlapping Intervals

Find Pair With Given Sum in an Array

Squares of a Sorted Array

Container with Most Water

Sort an Array Using Quicksort Algorithm

Sort Colors

Arrange the Largest Number

Shuffle an Array

First Missing Positive Integer

Minimum Size Subarray Sum

Next Element Greater than Subset

Product of All Array Elements Except Self

Linked Lists

16 Lessons

Examine comprehensive linked list algorithms, from basic implementations to complex operations.

Math & Stats

11 Lessons

Enhance your understanding of mathematical and statistical problem-solving techniques in coding.

Strings

14 Lessons

Take a closer look at string manipulation techniques, palindrome identification, and regex matching.

Trees

19 Lessons

Follow the process of handling various binary tree operations, including traversal, manipulation, and validation.

Stacks and Queues

7 Lessons

Build on efficiently implementing and evaluating data structures using stacks and queues.

Graphs

3 Lessons

Sharpen your skills in graph cloning, minimum spanning trees, and word chaining algorithms.

Back Tracking

4 Lessons

Get started with backtracking techniques to solve Boggle, N-Queens, balanced parentheses, and K-sum subsets efficiently.

10.

Dynamic Programming

9 Lessons

Master the steps to solve dynamic programming problems efficiently and tackle various patterns.

11.

Miscellaneous

10 Lessons

Grasp the fundamentals of various algorithms and data structures for efficient problem-solving.

12.

Appendix

Take a look at Coderust's critical acclaim for streamlining coding interview preparations and securing jobs.

Testimonials

13.

Conclusion

Investigate the next steps, emphasizing interview preparation, and utilizing new coding skills.

Where to Go from Here?

Certificate of Completion

Showcase your accomplishment by sharing your certificate of completion.

About this course

WHY I WROTE THIS COURSE

Are you looking to land a new software engineering job? With two new languages and all-new questions, the recently updated Coderust is here to help you break into or level up in the tech industry. Coderust was created by former hiring managers with years of experience in today’s top tech companies. The revamped course will walk you through a carefully curated set of sample problems from real-life coding interviews. Solutions are presented in six of today's leading programming languages. Every example comes with step-by-step visualizations and solutions. Coderust empowers you to understand the underlying logic of software concepts instead of just memorizing formulas and answers. Write, compile, and execute your own code on the fly to test different approaches - all in the browser, no set up necessary! At the end of the course, you will have deep expertise to tackle your coding interview with confidence in Ruby, Go, C++, Java, Python, or JavaScript.

ABOUT THE AUTHOR

Coderust

Coderust helps software developers like you ace your coding interviews. Our interactive interview-prep courses encourage you to get hands-on with the material and practice working through problems.

Learn more about Coderust

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You guys are the gold standard of crash-courses... Narrow enough that it doesn't need years of study or a full blown book to get the gist, but broad enough that an afternoon of Googling doesn't cut it.

Software Developer

Carlos Matias La Borde

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Front-end Developer

Your courses are simply awesome, the depth they go into and the breadth of coverage is so good that I don't have to refer to 10 different websites looking for interview topics and content.

Vinay Krishnaiah

Software Developer

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Frequently Asked Questions

Is it hard to pass a coding interview?

Passing a coding interview can be challenging, especially for roles at top tech companies. It requires strong problem-solving skills, knowledge of data structures and algorithms, and practice with technical problems. However, it becomes more manageable with proper preparation, including mock interviews and familiarity with common interview questions.

Is it okay to make mistakes in coding interviews?

Making mistakes in a coding interview is common and acceptable as long as you handle them well. Interviewers value problem-solving approaches and how you recover from errors, so identifying and fixing mistakes while explaining your thought process can still leave a positive impression.

How do I crack my coding interview?

To crack a coding interview, thoroughly prepare by studying key data structures and algorithms, practicing various problems on coding platforms, understanding the underlying concepts, and developing strong problem-solving skills. Additionally, familiarize yourself with common interview formats and learn to explain your thought process clearly to the interviewer.

How do I win a coding interview?

Winning a coding interview involves solving the problems correctly and optimizing your solutions for efficiency. You must also demonstrate clear communication skills, stay calm under pressure, and show a good understanding of the fundamentals. Engage with the interviewer, ask clarifying questions, and approach problems methodically while articulating your logic.

What company has the hardest coding interview?

Google, Meta (Facebook), and Amazon are often regarded as having the hardest coding interviews due to their challenging and complex problem sets, which test deep knowledge of algorithms, data structures, and system design and the ability to solve problems efficiently within a limited time frame.