Low Level Design (LLD) Coding

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concurrency


Articles in this series

๐Ÿš€ Rocket Launch Countdown Sync

Subhahu JainSubhahu Jain
Jul 15, 20251 min read

Youโ€™re simulating a rocket launch system. Before the rocket can launch, it must pass several system checks (e.g., fuel, navigation, engine, weather,...

๐Ÿš€ Rocket Launch Countdown Sync

๐ŸŽฎ Multiplayer Game Sync (e.g., "Among Us" Style) Concurrency Problem

Subhahu JainSubhahu Jain
Jul 10, 20252 min read

Let's model the synchronization challenges in a social deduction game like Among Us, where: 10-15 players (threads) interact in real-time Shared...

๐ŸŽฎ Multiplayer Game Sync (e.g., "Among Us" Style) Concurrency Problem

๐Ÿฆ Bank Transaction Concurrency Problem

Subhahu JainSubhahu Jain
Jul 8, 20252 min read

Problem Statement Multiple threads (ATM users, online banking) access shared bank...

๐Ÿฆ Bank Transaction Concurrency Problem

๐Ÿš‚ Train Deadlock Concurrency Problem

Subhahu JainSubhahu Jain
Jul 7, 20252 min read

Problem Statement Multiple trains run on a shared circular track (like a subway loop). Only one train can occupy a track segment at a time (mutual...

๐Ÿš‚ Train Deadlock  Concurrency Problem

๐Ÿšฆ Traffic Light Concurrency Problem

Subhahu JainSubhahu Jain
Jul 5, 20252 min read

Problem Statement:Simulate a traffic intersection where: Multiple roads (threads) lead to a single intersection (shared resource). Only one...

๐Ÿšฆ Traffic Light Concurrency Problem

Parallel Pascal's Triangle Generation

Subhahu JainSubhahu Jain
Jun 19, 20253 min read

Generate Pascalโ€™s triangle with numRows rows in parallel, where each row is computed by a separate thread. โœ… Step 0: Problem Understanding Pascalโ€™s...

Parallel Pascal's Triangle Generation

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