Recursion for Coding Interviews in Python

The ultimate recursion guide! Master basics, solve real-world problems, and get interview-ready in hours with FAANG engineers’ proven strategies.

Intermediate

58 Lessons

Certificate of Completion

The ultimate recursion guide! Master basics, solve real-world problems, and get interview-ready in hours with FAANG engineers’ proven strategies.

AI-POWERED

Mock Interview

Explanations

AI-POWERED

Mock Interview

Explanations

This course includes

37 Playgrounds

15 Challenges

6 Quizzes

This course includes

37 Playgrounds

15 Challenges

6 Quizzes

Course Overview

If you’ve ever struggled with solving coding problems using recursion, or if you need to brush up your recursion skills for an interview, this course is for you! We will start with the basics of recursion before we practice solving actual coding problems. You’ll have access to detailed explanations and visualizations for each problem to help you along the way. By the time you have completed this course, you’ll be able to use all the concepts of recursion to solve complex, real-world problems. We hope that ...Show More

Course Content

Recursion Fundamentals

Get familiar with recursion, memory usage, direct vs. indirect calls, and recursive problem-solving.

Who Should Take This Course?

What is Recursion?

Recursion and Memory Visualization Direct Vs. Indirect Recursion When to Use Recursion?Understanding a Recursive Problem Test Your Knowledge 1

Iteration Vs. Recursion

Walk through iteration vs recursion, conversion techniques, and practical challenges in coding.

Overview of Iterative Functions

Differences Between Iterative and Recursive Functions Converting Iterative Code to Recursive Code

Count Vowels in a String Challenge 1: Compute Square of a Number Solution Review: Compute the Square of a Number Challenge 2: Search First Occurrence of a Number Solution Review: Search First Occurrence of a Number Challenge 3: Corresponding Fibonacci Number Solution Review: Corresponding Fibonacci Number Test Your Knowledge 2

Recursion with Numbers

Break apart key recursion concepts, solving numbers and challenges like GCD, Pascal's Triangle, and conversions.

The Power of a Number

Sum of Integers from 1 to n Modulus Challenge 1: Find the Greatest Common Divisor Solution Review: Find the Greatest Common Divisor Challenge 2: Pascal's Triangle Solution Review: Pascal's Triangle Challenge 3: Convert Decimal Number to Binary Number Solution Review: Convert Decimal Number to Binary Number Test Your Knowledge 3

Recursion with Strings

Break down complex ideas using recursion to manipulate and analyze strings.

Remove Tabs in a String

Remove All Adjacent Duplicates from a String Merge Two Sorted Strings Lexicographically Challenge 1: Length of a String Solution Review: Length of a String Challenge 2: Sum of Digits in a String Solution Review: Sum of Digits in a String Challenge 3: Check for a Palindrome Solution Review: Check for a Palindrome Test Your Knowledge 4

Recursion with Arrays

Take a closer look at recursive solutions for arrays in counting, inverting, replacing, and sorting tasks.

Count All Occurrences of a Number Invert an Array Replace All Negative Numbers with Zero Challenge 1: Average of Numbers Solution Review: Average of Numbers Challenge 2: Balance Parenthesis Solution Review: Balance Parenthesis Challenge 3: Sort an Array Solution Review: Sort an Array Test Your Knowledge 5

Recursion with Data Structures

9 Lessons

Explore recursion in reversing linked lists, depth-first traversal, and stack and graph manipulations.

Conclusion

1 Lesson

Learn how to improve problem-solving through recursion and practice across languages.

Part of the Python Interview Prep Path

Ace the Python Coding Interview

Stand out from the crowd. Cover everything you need to know to crack your coding interviews in Python.

7 Modules

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