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Leetcode 101. Symmetric Tree

Check whether a binary tree is symmetric around its center by determining if the left and right subtrees are mirror images of each other. This is typically solved by recursively comparing corresponding nodes (or iteratively using a queue/stack) to ensure paired node values and structure match.

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Apple

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Mid September, 2025

Senior

Mid August, 2025

Apple

Senior

Symmetric Tree, Move Zeros Maximum subarray sum

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