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Grokking the Coding Interview Patterns in Go

Solution: Univalued Binary Tree

Explore how to use depth-first search to verify if every node in a binary tree contains the same value, enabling you to solve uni-valued tree problems efficiently. Understand the recursive logic, time, and space complexity involved to improve your coding interview readiness.

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Statement

A binary tree is considered uni-valued if every node in the tree contains the same value.

Given the root of a binary tree, return TRUE if the tree is uni-valued, or FALSE otherwise.

Constraints:

  • The number of nodes in the tree is in the range [1,100][1, 100].

  • 0≤0 \leq ...