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Symmetric Tree | Recursive Solution Explained in JavaScript | LeetCode 101
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In this video, we solve the Symmetric Tree problem from LeetCode!
Learn how to determine if a binary tree is symmetric around its center using a recursive approach. This tutorial walks you through the logic step by step, with code examples and clear explanations.
📝 Problem Statement:
Given the root of a binary tree, check if it is symmetric around its center. A tree is symmetric if the left and right subtrees are mirror reflections of each other.
💡 What You’ll Learn:
• How to use recursion to compare subtrees for symmetry.
• The importance of base cases in recursive solutions.
• Writing efficient JavaScript code for binary tree problems.
🔍 Solution Highlights:
• Use a recursive helper function to compare left and right subtrees.
• Check if node values match and subtrees mirror each other.
• Includes clear examples and edge cases to build your understanding.
📋 Examples in the Video:
1️⃣ Input: root = [1, 2, 2, 3, 4, 4, 3]
Output: true
2️⃣ Input: root = [1, 2, 2, null, 3, null, 3]
Output: false
🚀 Why Watch?
This video is perfect for beginners looking to strengthen their understanding of binary trees and recursion. Whether you’re preparing for interviews or brushing up on JavaScript, this tutorial has you covered!
🔗 Resources:
----------------------------------------------------------------------------------------------------------------------------------------
In this video, we solve the Symmetric Tree problem from LeetCode!
Learn how to determine if a binary tree is symmetric around its center using a recursive approach. This tutorial walks you through the logic step by step, with code examples and clear explanations.
📝 Problem Statement:
Given the root of a binary tree, check if it is symmetric around its center. A tree is symmetric if the left and right subtrees are mirror reflections of each other.
💡 What You’ll Learn:
• How to use recursion to compare subtrees for symmetry.
• The importance of base cases in recursive solutions.
• Writing efficient JavaScript code for binary tree problems.
🔍 Solution Highlights:
• Use a recursive helper function to compare left and right subtrees.
• Check if node values match and subtrees mirror each other.
• Includes clear examples and edge cases to build your understanding.
📋 Examples in the Video:
1️⃣ Input: root = [1, 2, 2, 3, 4, 4, 3]
Output: true
2️⃣ Input: root = [1, 2, 2, null, 3, null, 3]
Output: false
🚀 Why Watch?
This video is perfect for beginners looking to strengthen their understanding of binary trees and recursion. Whether you’re preparing for interviews or brushing up on JavaScript, this tutorial has you covered!
🔗 Resources:
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