How to learn Level Order Traversal - BFS for coding interviews?

Master Level Order Traversal - BFS by understanding the core concept and practicing related problems. Key topics: level order traversal, BFS tree, zigzag traversal, right side view, leetcode 102.

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Tree Traversal Patterns - DFS and BFS · 3 of 6

Level Order Traversal - BFS

Master level order traversal using BFS. Solve zigzag, right side view, and level sum problems.

Topics

level order traversalBFS treezigzag traversalright side viewleetcode 102leetcode 199

What you'll learn

•Core concepts and intuition behind Level Order Traversal - BFS
•Step-by-step implementation with code examples
•Time and space complexity analysis
•Common interview problems and variations

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Other subpatterns in Tree Traversal Patterns - DFS and BFS

Preorder Traversal - Root-Left-Right

Master preorder traversal for tree construction, inversion, and path problems. Visit root before children.

Inorder Traversal - Left-Root-Right

Master inorder traversal for BST validation and kth element problems. Produces sorted order in BST.

Postorder Traversal - Left-Right-Root

Master postorder traversal for tree height, diameter, and path sum problems. Process children before root.

Tree Serialization and Deserialization

Learn to serialize and deserialize binary trees. Convert trees to strings and reconstruct them.

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