Sliding Window Mastery: Accelerating Coding Interview Prep
Master the sliding window algorithm to solve complex subarray and substring problems efficiently. Learn to transition from brute-force O(N^2) to optimal O(N) time complexity, preparing you to ace competitive programming and top-tier technical interviews with confidence.
Course Overview
Welcome to the ultimate guide to mastering the Sliding Window Algorithm, designed to help you ace your technical interviews. This course breaks down complex array and string problems into intuitive, step-by-step solutions.
What You'll Learn
- Identify when to apply the sliding window technique (fixed vs. dynamic windows).
- Optimize nested-loop solutions from O(N^2) to linear O(N) time complexity.
- Solve classic interview problems including Max Subarray Sum, Substring Anagrams, and Longest Unique Substring.
- Manage window boundaries, pointers, and hash maps to track sliding state.
Prerequisites
- Basic familiarity with programming concepts (variables, loops, and basic data structures like arrays/hash maps).
- Experience in a language like JavaScript, Python, or C++.
Tools & Technologies
- Programming Language: JavaScript / Python
- Practice Platform: Structy interactive environment
Course Content
Introduction & Fixed-Size Subarray Windows
Introduction to Sliding Window & Max Subarray Sum
Max Subarray Product of Size K
Subarray Target Sum of Size K
Anagram & Substring Window Tracking
Detecting Substring Anagrams Efficiently
Counting All Substring Anagram Occurrences
Dynamic-Size & Variable Window Optimization
Find Subarray Sum: Dynamic Window Basics
Longest Subarray Sum: Dynamic Expansion and Contraction
Longest Unique Substring: Multi-Pointer Tracking
This course includes
- 1h 46m on-demand video
- 8 lessons across 3 chapters
- 3 interactive quizzes
- Access on mobile and desktop
- Source playlist on YouTube
Topics Covered
About the Channel
Learn math, programming, and computer science for free. A 501(c)(3) tax-exempt charity. We also run a free learning interactive platform at freecodecamp.org
Share
Related Courses
Foundations of Web Development: Practical HTML for Beginners
Master the essentials of modern web development by learning HTML from scratch. In this practical guide, you will build structured, semantic web pages using headers, lists, links, images, tables, and forms, establishing a rock-solid foundation for your software development journey.
Java Programming Foundations: Master the Fundamentals of Software Development
Master Java programming fundamentals from scratch. Learn core concepts like variables, reference types, and control flow structures, then apply your skills by building a real-world Mortgage Calculator. This course establishes a solid foundation in software development and clean coding principles.
LLM App Development: Building Powered Applications with LangChain
Master the fundamentals of LangChain to build LLM-powered applications. This beginner-friendly course guides you through prompt templates, chains, agents, conversational memory, and document loaders using Python and OpenAI.