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Grokking the Coding Interview Patterns in C#

Solution: Symmetric Tree

Explore how to verify if a binary tree is symmetric by examining the left and right subtrees as mirrors. Learn to implement a breadth-first search approach using a queue to systematically compare nodes, understand key conditions for symmetry, and analyze time and space complexities. This lesson builds your skills in tree traversal and problem-solving for coding interviews.

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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]
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