Data Structures for Coding Interviews in JavaScript

The ultimate guide to data structures for coding interviews in JavaScript. Developed by FAANG engineers to help you write better code and ace industry benchmarks.

Beginner

227 Lessons

35h

Certificate of Completion

The ultimate guide to data structures for coding interviews in JavaScript. Developed by FAANG engineers to help you write better code and ace industry benchmarks.

AI-POWERED

Code Feedback

Mock Interview

Explanations

AI-POWERED

Code Feedback

Mock Interview

This course includes

168 Playgrounds

65 Challenges

24 Quizzes

This course includes

168 Playgrounds

65 Challenges

24 Quizzes

Course Overview

Data structures are amongst the very fundamentals of Computer Science and are often a core decision in developing efficient programs. Consequently, they are also largely categorized as a vital benchmark of computer science knowledge when it comes to industry interviews. This course contains a detailed review of all the common data structures and provides implementation level details in JavaScript to allow readers to become well equipped with all the different data structures they can leverage to write bette...Show More

Course Content

Introduction to Complexity Measures

Learn how to use complexity measures to compare and analyze algorithm efficiency effectively.

Comparing Algorithms Example: Measuring Time Complexity of a Single Loop Algorithm Example: Time Complexity of an Algorithm With Nested Loops Introduction to Asymptotic Analysis and Big O Other Common Asymptotic Notations and Why Big O Trumps Them Useful Formulae

Quiz: Test Your Understanding of Complexity

Introduction to Arrays

Unpack the core of array manipulation techniques, variable declaration differences, and coding challenges.

Arrays

The var vs. let vs. const Challenge: Remove Even Integers From Array Solution: Remove Even Integers From Array Challenge: Merge Two Sorted Arrays Solution: Merge Two Sorted Arrays Challenge: Find Two Numbers That Add Up to K Solution: Find Two Numbers That Add Up to K Challenge: Product of Array Except Self Solution: Product of Array Except Self Challenge: Find Minimum Value in Array Solution: Find Minimum Value in Array Challenge: First Non-Repeating Integer in an Array Solution: First Non-Repeating Integer in an Array Challenge: Find Second Maximum Value in an Array Solution: Find Second Maximum Value in an Array Challenge: Rotate Array Solution: Rotate Array Challenge: Rearrange Positive & Negative Values Solution: Rearrange Positive & Negative Values Challenge: Rearrange Sorted Array in Max/Min Form Solution: Rearrange Sorted Array in Max/Min Form Challenge: Maximum Subarray Solution: Maximum Subarray Arrays Quiz: Test Your Understanding of Arrays

Introduction to Linked Lists

Work your way through the basics, operations, and comparisons of singly and doubly linked lists.

Singly Linked Lists (SLL)Basic Linked List Operations Singly Linked List Insertion Singly Linked List Deletion Deletion at the Tail Linked Lists vs. Arrays

Doubly Linked Lists (DLL)Singly Linked Lists vs. Doubly Linked Lists Challenge: Insertion at Tail Solution: Insertion at Tail Challenge: Search in a Singly Linked List Solution: Search in a Singly Linked List Challenge: Deletion by Value Solution: Deletion by Value Challenge: Find the Length of a Linked List Solution: Find the Length of a Linked List

Challenge: Reverse Linked List Solution: Reverse Linked List Challenge: Linked List Cycle Solution: Linked List Cycle Challenge: Middle of the Linked List Solution: Middle of the Linked List Challenge: Remove Duplicates from a Linked List Solution: Remove Duplicates from a Linked List Challenge: Union and Intersection of Linked Lists Solution: Union and Intersection of Linked Lists Challenge: Return the Nth Node from End Solution: Return the Nth Node from End Challenge: Find If a Doubly Linked List Is a Palindrome Solution: Find If a Doubly Linked List Is a Palindrome Linked Lists Quiz: Test Your Understanding of Linked Lists

Introduction to Stack/Queues

Grasp the fundamentals of stack and queue operations, implementations, and practical challenges.

What is a Stack?

Stack (Implementation)What is a Queue?Queue (Implementation)

Challenge: Generate Binary Numbers From 1 to n Using a Queue Solution: Generate Binary Numbers From 1 to n Using a Queue Challenge: Implement Two Stacks Using One Array Solution: Implement Two Stacks Using One Array

Challenge: Reverse First k Elements of Queue Solution: Reverse First k Elements of Queue

Challenge: Implement Queue Using Stacks Solution: Implement Queue Using Stacks Challenge: Sort Values in a Stack Solution: Sort Values in a Stack Challenge: Evaluate Postfix Expression Using a Stack Solution: Evaluate Postfix Expression Using a Stack Challenge: Next Greater Element Using a Stack Solution: Next Greater Element Using a Stack Challenge: Find the Celebrity Solution: Find the Celebrity Challenge: Valid Parentheses Solution: Valid Parentheses Challenge: Min Stack Solution: Min Stack Stack/Queue Quiz: Test Your Understanding of Stack/Queue

Introduction to Graphs

Dig deeper into the fundamentals, implementation, and challenges of graphs and their applications.

What is a Graph?Types of Graphs Representation of Graphs

Graph Implementation Complexities of Graph Operations What is a Bipartite Graph?Graph Traversal Algorithms Challenge: Implement Breadth-First Search Solution: Implement Breadth-First Search Challenge: Implement Depth-First Search Solution: Implement Depth-First Search Challenge: Detect Cycle in a Directed Graph Solution: Detect Cycle in a Directed Graph Challenge: Find a Mother Vertex in a Directed Graph Solution: Find a Mother Vertex in a Directed Graph Challenge: Count the Number of Edges in an Undirected Graph Solution: Count the Number of Edges in an Undirected Graph Challenge: Check If a Path Exists between Two Vertices Solution: Check If a Path Exists between Two Vertices Challenge: Graph Valid Tree Solution: Graph Valid Tree Challenge: Find the Shortest Path between Two Vertices Solution: Find the Shortest Path between Two Vertices Challenge: Remove Edge from a Directed Graph Solution: Remove Edge from a Directed Graph Graph Quiz: Test Your Understanding of Graphs

Introduction to Trees

38 Lessons

Investigate tree fundamentals, properties, and various types for coding interviews in JavaScript.

Trie

14 Lessons

Build on trie data structure for efficient string operations, including insertion, search, and deletion.

Introduction to Heap

12 Lessons

Get familiar with heap data structures, their implementations, and solving related challenges.

Introduction to Hashing

32 Lessons

Unpack the core of hashing concepts, collisions, and hash table implementation. Explore practical challenges using hash tables.

10.

Summary of Data Structures

2 Lessons

Examine the differences and performance of linear vs. non-linear data structures.

Course Author

Tackle anything you might face on a coding interview in JavaScript with absolute confidence.

Ace the JavaScript Coding Interview

Catch up on everything you’ll need to ace your JavaScript interviews.

5 Modules

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