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Grokking the Coding Interview Patterns in C#

Subtree of Another Tree

Understand how to verify if one binary tree is a subtree of another by comparing their node structures and values. Learn to implement an efficient solution with O(mn) time complexity, improving your skills in tree-based coding challenges.

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Statement

Given the roots of two binary trees, root and subRoot, return TRUE if there is a subtree of root with the same structure and nodes as subRoot. Otherwise, return FALSE.

A tree can only be considered a subtree of the root tree iff all the descendants (children) of the node appear in subRoot.

Constraints:

  • The number of nodes in the root tree is in the range [1,500].[1,500]. ...