Real-World Applications

Module Contents

  1. Real World DSA

See DSA in action. Learn how HashMaps power Caching (LRU), how Trees power Database Indexing, and how Hashing powers Load Balancing.

  1. Search Engines & Inverted Indices

How Google searches billions of documents in milliseconds. Master the Inverted Index, TF-IDF, and Posting Lists.

  1. Social Networks & Graph Partitioning

How Facebook scales the social graph. Sharding, Fan-out-on-write, and Graph Traversal at scale.

  1. Database Trees

  2. Caching LoadBalancing

  3. Distributed Scheduling Systems

Designing a Distributed Cron. Priority Queues, Leases, and Idempotency.

  1. Recommendation Engines

How Netflix knows what you want. Collaborative Filtering, Matrix Factorization, and Vector Similarity.

  1. Review & Cheat Sheet

Real-World Applications

[!NOTE] This module explores the core principles of Real-World Applications, deriving solutions from first principles and hardware constraints to build world-class, production-ready expertise.

1. Practice

[!NOTE] Looking for hands-on algorithmic exercises? We have migrated all coding challenges for this module into the Problem Vault to give you a centralized, focused practice environment.

Module Chapters