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Grokking the Coding Interview Patterns in C++

Subtree of Another Tree

Explore how to determine if a binary tree is a subtree of another by comparing their structure and nodes. This lesson helps you implement an efficient method in C++ to solve this common coding interview problem, focusing on understanding tree traversal and matching techniques for accurate subtree detection.

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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]. ...