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Introduction to Binary Tree
Last Updated: June 4, 2026
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8 min read
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What is a Binary Tree?
Types of Binary Trees
Binary Tree Representation
1. Array Representation
2. Linked Representation
Tree Traversals
1. Inorder Traversal (Left → Root → Right)
2. Preorder Traversal (Root → Left → Right)
3. Postorder Traversal (Left → Right → Root)
4. Level Order Traversal (Breadth-First Search)...
Recursive vs Iterative Traversals
Complexity Summary
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Find K-th Smallest P...
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Maximum Depth of Bin...
