A full-stack Contact Management System built with React, Node.js, Express, using Trie Data Structure for fast and efficient contact search.
✅ Instant Contact Search - O(m) lookup time using Trie
✅ CRUD Operations - Add, Update, Delete contacts easily
✅ Bulk Operations - Manage multiple contacts at once
✅ Real-time Updates - Instant UI updates when contacts are modified
✅ Error Handling & Validation for smooth user experience
✅ Lightweight & Fast - No database, all data stored in memory
- Frontend: React, Tailwind CSS
- Backend: Node.js, Express.js
- Data Structure: Trie (for efficient search)
git clone https://github.com/your-username/contact-manager.git
cd contact-manager