Saumya Yadav

Master Trees — one of the most frequently asked DSA topics in coding interviews — with these clear, organized, and concept-driven notes. This PDF covers essential theory, traversal techniques, and important questions you must practice.

What’s Included:

• Introduction to Trees & Binary Trees
• Tree Node Structure and Implementation
• Tree Traversals:
• Inorder, Preorder, Postorder
• Level Order Traversal (BFS)
• Morris Traversal (Inorder without recursion/stack)
• Most Important Interview & OA Questions (from LeetCode, GFG, etc.)

🔗 Full list of questions included:

cpp-dsa-sheet.vercel.app/sheet

These notes help you understand trees visually and intuitively. Many learners have used them to build a strong grasp on recursion, tree traversal logic, and problem patterns. Perfect for interview prep and college exams alike.