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LLDCoding - Master LLD and Concurrency

LLD Problem Sheet

Here’s a categorized list of all the few of the the blogs based on Beginner, Intermediate, and Advanced difficulty levels:

Beginner:

  1. Design (LLD) Tic-Tac-Toe - Machine Coding - Video

  2. Design (LLD) Snake and Ladder Game - Machine Coding - Video

  3. Design (LLD) Tetris Game - Machine Coding - Video

  4. Design (LLD) Minesweeper - Machine Coding - Video

  5. Design (LLD) Chess Game - Machine Coding

  6. Design (LLD) Alarm/Alert Service for AWS - Machine Coding

  7. Design (LLD) Logging Library like log4j - Machine Coding

  8. Design (LLD) JSON Parser - Machine Coding - Video

  9. Design (LLD) File System - Machine Coding

  10. Design (LLD) 2048 Game - Machine Coding

  11. Design (LLD) a Jackpot machine - Machine Coding

  12. Design (LLD) a Vending machine - Machine Coding

  13. Design (LLD) a ATM machine - Machine Coding

  14. Design (LLD) a Hotel Management System - Machine Coding Interview

  15. Design an Airline Management System - Machine Coding

  16. Design (LLD) a Restaurant Management system - Machine Coding

  17. Design (LLD) Inventory Management System - Machine Coding

    More questions are covered in our course - https://interview.lldcoding.com

Intermediate:

  1. Design (LLD) a Parking Lot - Machine Coding Interview

  2. Design (LLD) a Car Rental System - Machine Coding

  3. Design (LLD) Internet Download Manager like IDM - Machine Coding Interview

  4. Design (LLD) Coupon System for Zepto - Machine Coding Interview

  5. Design (LLD) Android Unlock Pattern - Machine Coding Interview

  6. Designing a Scalable Database Schema for Reddit-like Comments - Part 1

  7. Design (LLD) Sublime Text IDE - Machine Coding

  8. Design (LLD) Ngrok Tool - Machine Coding

  9. Design (LLD) Rate Limiter - Machine Coding

  10. Design (LLD) Thread Pool - Machine Coding

  11. Design OYO/Airbnb - Part 1: Database Modelling

  12. Design (LLD) Google Calendar Database Model

  13. Design (LLD) Google Authenticator - Machine Coding

  14. Design (LLD) Amazon Prime Video - Machine Coding

  15. Design Online Book Management System - Machine Coding [Asked in Microsoft] [Complete Solution Covered in our course]

  16. Design (LLD) Lift - Machine Coding

  17. Design (LLD) a Bar Graph Library - Machine Coding

  18. Design (LLD) Stack Overflow - Machine Coding Interview

  19. Design (LLD) a Movie Ticket Booking System - Machine Coding

  20. Design (LLD) Amazon - Machine Coding

  21. Design (LLD) Cricinfo - Machine Coding

  22. Design (LLD) Splitwise application - Machine Coding

  23. Design (LLD) Online Voting System - Machine Coding

  24. Design (LLD) Web Crawler - Machine Coding

  25. Design (LLD) Call Center - Machine Coding

  26. Design (LLD) Ride sharing service - Machine Coding

  27. Design (LLD) Twitter - Machine Coding

  28. Implement a music streaming service like Spotify - Machine Coding

  29. Design (LLD) a peer-to-peer file sharing system like BitTorrent - Machine Coding

  30. Design (LLD) a system for online food ordering and delivery like Zomato - Machine Coding

  31. Design (LLD) a music recognition system using audio fingerprinting - Machine Coding

  32. Design (LLD) Newsletter Service - Machine Coding

  33. Design (LLD) Pair Programming Platform like HackerRank CodePair - Machine Coding

  34. Design (LLD) Topmate - Machine Coding

More will be covered in our course - https://interview.lldcoding.com

Advanced:

  1. Design (LLD) AWS S3 Service - Machine Coding

  2. Design (LLD) Google Drive - Machine Coding

  3. Design Version Control (GitHub) - Database Modelling

  4. Design (LLD) Mentorship Platform like Preplaced - Machine Coding

  5. Design (LLD) Tinder Dating App - Machine Coding

  6. Design (LLD) WhatsApp Messenger - Machine Coding

  7. Design (LLD) Gmail - Machine Coding

  8. Design (LLD) Game Engine like Unreal - Machine Coding

  9. Design (LLD) Real-Time Chat System with Millions of Users

  10. Design (LLD) Video Conferencing App like Zoom

  11. Design (LLD) Cryptocurrency Exchange Platform

  12. Design (LLD) Collaborative Document Editing (Google Docs)

  13. Design (LLD) Payment Recommendation System- Machine Coding [Asked in CRED] [Paid - Covered in our course]

  14. Design (LLD) Alexa - Machine Coding

  15. Design (LLD) LinkedIn - Machine Coding

  16. Design (LLD) Google Maps - Machine Coding

  17. Design (LLD) load balancer - Machine Coding

  18. Design (LLD) NoSQL database - Machine Coding

  19. Design (LLD) a file sharing system like Dropbox - Machine Coding

  20. Design (LLD) AWS Lambda - Machine Coding

More will be covered in our course - https://interview.lldcoding.com

Concurrency

  1. Problem I: Thread-Safe Two-Sum Checker - Blog Link

  2. Parallel Pascal's Triangle Generation - Blog Link

  3. Print Sequentially - Asked in Microsoft SDE-2

    More……

    All will be covered in our course - https://interview.lldcoding.com/

Practice Problems

https://code.lldcoding.com/problems

Company Tagged Question will be covered in our course - More will be covered in our course - https://interview.lldcoding.com