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LLDCoding - Master LLD and Concurrency

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Design (LLD) Tic Tac Toe - C++

Subhahu JainSubhahu Jain
Mar 14, 20268 min read

📌 1. Problem Statement Design a Tic Tac Toe game that: Supports configurable board size (N × N) Supports 2 players Validates moves Detects win...

Design (LLD) Tic Tac Toe - C++

Design (LLD) Rate Limiter - C++

Subhahu JainSubhahu Jain
Mar 2, 202613 min read

Master Rate Limiter LLD and Concurrency · 📌 1. Functional Requirements A Rate Limiter system should: Limit requests per client/user Support multiple...

Design (LLD) Rate Limiter - C++

Design (LLD) Vending Machine - C++

Subhahu JainSubhahu Jain
Feb 28, 20267 min read

LLD and Concurrency Design for vending machine · 1️⃣ Functional Requirements A vending machine should support: Add products Add inventory...

Design (LLD) Vending Machine - C++

Design (LLD) Hotel Management System - C++

Subhahu JainSubhahu Jain
Feb 26, 20268 min read

1️⃣ Functional Requirements A hotel system should support: Add hotel rooms Search rooms (by type, price, availability) Book room Cancel...

Design (LLD) Hotel Management System - C++

[Uber] Design 🏢(LLD) Meeting Scheduler - Machine Coding Interview

Subhahu JainSubhahu Jain
Nov 9, 20254 min read

We are designing a meeting scheduler with the following requirements: There are N rooms. We are given a stream of meeting requests (start time, end...

[Uber] Design 🏢(LLD) Meeting Scheduler - Machine Coding Interview

Multi-Threaded Parentheses Validator

Subhahu JainSubhahu Jain
Sep 20, 20253 min read

Problem: Parallel Parentheses Validator Description You are given a string s of length N consisting only of the characters '(' and ')'. A parentheses...

Multi-Threaded Parentheses Validator