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Leaf-Similar Trees (LeetCode #872) — Solving with Swift DFS to Compare Tree Structures
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In this video, we tackle Leaf-Similar Trees (LeetCode 872) using Swift. I demonstrate how to collect and compare leaf sequences in binary trees using depth-first search.
This problem teaches an important concept: trees with completely different structures can still have the same leaf pattern, which has applications in comparing hierarchical data.
📌 What You'll Learn:
How to identify and collect leaf nodes in a binary tree
Using iterative DFS with a stack in Swift
Techniques for comparing sequences of values
Real-world applications of tree structure comparison
#Swift #LeetCode #BinaryTree #LeafNodes #TreeComparison #iOSDevelopment #CodingSwift
This problem teaches an important concept: trees with completely different structures can still have the same leaf pattern, which has applications in comparing hierarchical data.
📌 What You'll Learn:
How to identify and collect leaf nodes in a binary tree
Using iterative DFS with a stack in Swift
Techniques for comparing sequences of values
Real-world applications of tree structure comparison
#Swift #LeetCode #BinaryTree #LeafNodes #TreeComparison #iOSDevelopment #CodingSwift
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