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HomeCoursesAlgorithms for Coding Interviews in C++

4.7

Intermediate

15h

Algorithms for Coding Interviews in C++

The ultimate guide to coding interviews in C++. Developed by FAANG engineers, this course offers 50+ coding challenges, detailed solutions, and interview strategies to get you interview-ready in hours.

Join 2.8M developers at

Overview

Content

Reviews

With algorithms being arguably the most common theme in coding interviews, having a firm grip on them can be the difference between being hired and not. After this comprehensive course, you'll have an in-depth understanding of different algorithm types and be equipped with a simple process for approaching complexity analysis. As you progress, you’ll be exposed to the most important algorithms you're likely to encounter on an interview, work your way through over 50 interactive coding challenges, and review detailed solutions for each problem. You’ll walk away with the ability to build up to the optimal solution for addressing those tough coding interview questions head-on. This course is the latest addition to our popular Interview Refresher series, which has helped developers land jobs in top companies including Google, Microsoft, and Apple.

With algorithms being arguably the most common theme in coding interviews, having a firm grip on them can be the difference betw...Show More

Content

153 Lessons17 Quizzes51 Challenges

Introduction

2 Lessons

Get familiar with essential algorithmic paradigms and interactive coding challenges in C++.

Who This Course Is For

Learning Outcomes

Algorithmic Paradigms

4 Lessons

Discover the logic behind brute force, greedy, divide and conquer, and dynamic programming.

Introduction to Complexity Measures

22 Lessons

Examine the complexity measures of algorithms, focusing on time and space efficiency.

Sorting & Searching

26 Lessons

Grasp the fundamentals of sorting algorithms, efficient searching techniques, and solving array-based challenges.

Graph Algorithms

22 Lessons

Dig deeper into graph traversal, connectivity, bipartiteness, and topological sorting in C++.

Greedy Algorithms

23 Lessons

Focus on implementing and optimizing greedy algorithms for various problems in coding interviews.

Dynamic Programming

25 Lessons

Master dynamic programming techniques with practical examples like Fibonacci, Knapsack, Staircase, and more.

Divide and Conquer

23 Lessons

Learn how to use the divide and conquer strategy to solve algorithmic challenges efficiently.

Appendix: Auxiliary Source Code

4 Lessons

Get started with essential STL classes, linked lists, array functions, and graph data structures.

10.

Conclusion

2 Lessons

Examine the importance of efficient algorithms and explore further learning resources for technical interviews.

Certificate of Completion

Showcase your accomplishment by sharing your certificate of completion.

Course Author:

Coderust

Developed by MAANG Engineers

Every Educative lesson is designed by a team of ex-MAANG software engineers and PhD computer science educators, and developed in consultation with developers and data scientists working at Meta, Google, and more. Our mission is to get you hands-on with the necessary skills to stay ahead in a constantly changing industry. No video, no fluff. Just interactive, project-based learning with personalized feedback that adapts to your goals and experience.

Trusted by 2.8 million developers working at companies

"These are high-quality courses. Trust me. I own around 10 and the price is worth it for the content quality. EducativeInc came at the right time in my career. I'm understanding topics better than with any book or online video tutorial I've done. Truly made for developers. Thanks"

Anthony Walker

@_webarchitect_

"Just finished my first full #ML course: Machine learning for Software Engineers from Educative, Inc. ... Highly recommend!"

Evan Dunbar

ML Engineer

"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

"I spend my days and nights on Educative. It is indispensable. It is such a unique and reader-friendly site"

Souvik Kundu

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

Hands-on Learning Powered by AI

See how Educative uses AI to make your learning more immersive than ever before.

Personalized Interview Prep

Skip the LeetCode grind with a custom roadmap that adapts to your goals. Hands-on practice for Coding Interviews, System Design, and more.

Mock Interviews

Test your skills in a simulated interview setting. Receive personalized feedback based on your performance. Available for Coding Interviews, System Design, and more.

AI Prompt

Build prompt engineering skills. Practice implementing AI-informed solutions.

Code Feedback

Evaluate and debug your code with the click of a button. Get real-time feedback on test cases, including time and space complexity of your solutions.

Explain with AI

Select any text within any Educative course, and get an instant explanation — without ever leaving your browser.

AI Code Mentor

AI Code Mentor helps you quickly identify errors in your code, learn from your mistakes, and nudge you in the right direction — just like a 1:1 tutor!

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Free Resources

Frequently Asked Questions

How to prepare for a C++ coding interview

Focus on mastering data structures (arrays, linked lists, stacks, queues, trees, graphs, hash maps) and algorithms (sorting, searching, dynamic programming, greedy techniques). Practice solving problems on platforms like LeetCode, Codeforces, and HackerRank, and familiarize yourself with C++ STL. Understand time and space complexity and review common design patterns.

Is C++ good for coding interviews?

Yes, C++ is a solid choice for coding interviews. It provides a good mix of low-level control and high-level abstraction, with powerful tools like STL for fast implementations of algorithms and data structures. Its performance and memory management capabilities make it ideal for handling complex problems.

What are the most used C++ algorithms?

Common algorithms in C++ interviews include sorting algorithms (quick sort, merge sort), searching algorithms (binary search), graph algorithms (DFS, BFS, Dijkstra’s), dynamic programming (knapsack, longest common subsequence), and greedy algorithms (Huffman coding). STL algorithms like sort and lower_bound are also widely used.

Are C++ coders in demand?

Yes, C++ developers remain in high demand, especially in industries requiring performance-critical applications like gaming, finance, systems programming, and embedded systems. Their efficiency in handling large-scale, real-time applications makes them valuable skills in today’s job market.

Does Google hire C++ developers?

Yes, Google hires C++ developers for various roles, especially in systems engineering, infrastructure, and performance-critical applications. Google values C++ for its efficiency and control over hardware resources, making it essential for developing scalable, high-performance software solutions.

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