Binary Tree Topics

Master essential binary tree problems and patterns frequently asked in interviews.

•   01 Tree Traversals Inorder, Preorder, Postorder traversal (recursive & iterative)
•   02 Height & Diameter of Tree Depth calculation & longest path in tree
•   03 Lowest Common Ancestor (LCA) Find LCA using recursion / parent pointers
•   04 Serialize & Deserialize Tree Convert tree to string and back, DFS/BFS approach
•   05 All Root-to-Leaf Paths Generate all paths using DFS/backtracking

WONDERING, HOW DOES IT COVER PATTERNS?
These problems cover the most important binary tree patterns for interviews:

Tree Traversals → Recursive & iterative traversal patterns for visiting nodes.
Height & Diameter of Tree → Post-order recursion pattern to compute depth and longest path.
Lowest Common Ancestor (LCA) → DFS recursion pattern to identify common ancestors.
Serialize & Deserialize Tree → DFS/BFS traversal to convert tree structure to string and back.
All Root-to-Leaf Paths → Backtracking recursion pattern to generate all paths.

Together, they ensure you understand traversals, depth calculations, ancestor queries, serialization, and path generation in binary tree problems.