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Grokking the Coding Interview Patterns in Python

Solution: Symmetric Tree

Understand how to verify if a binary tree is symmetric by applying a breadth-first search traversal. This lesson helps you implement a queue-based algorithm to compare left and right subtrees step-by-step, ensuring you grasp time and space complexity implications.

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Statement

Given the root of a binary tree, check whether it is a symmetric tree. A symmetric tree refers to a tree that is the mirror of itself, i.e., symmetric around its root.

Constraints:

  • The tree contains nodes in the range [1,500][1, 500].
  • −103≤-10^3 \le
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