Same Tree (LeetCode #100) — Swift DFS Solution for Comparing Binary Trees

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In this video, we solve Same Tree (LeetCode 100) using Swift. I demonstrate how to compare two binary trees for structural and value equality using a recursive approach, with a focus on avoiding force unwrapping.
This fundamental tree problem teaches essential comparison techniques that appear in many more complex tree algorithms, making it perfect for building your binary tree foundation.
📌 What You'll Learn:

How to compare two binary trees simultaneously using DFS
Safe unwrapping techniques in Swift to avoid runtime crashes
Using Swift's pattern matching with switch statements for elegant code
Understanding when trees are structurally identical vs different

#Swift #LeetCode #BinaryTree #TreeComparison #DFS #SafeUnwrapping #iOSInterview
  1. Jay A.
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