Saumya Yadav

Master the concepts of Maps and Tries — two essential data structures used widely These notes simplify the theory and provide a strong understanding of how maps and tries work under the hood.

What’s Included:

• Maps in C++ (unordered_map, map, multimap)
• Hash Functions (Concept & Implementation)
• Collision Handling Techniques
• Tries (Prefix Trees)
• Insert Operation
• Search Operation
• Delete Operation
• Applications of Tries
• Important Interview & OA Questions from platforms like LeetCode, GFG, and more

🔗 Also Check the Full Question Sheet:

cpp-dsa-sheet.vercel.app/sheet

Many students find maps and tries confusing — these notes break them down into simple steps with clear code examples. They’re perfect for revision before contests or technical interviews, especially for string and hashing-based problems.