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Grokking the Coding Interview Patterns in Go

Solution: Build Binary Tree from Preorder and Inorder Traversal

Understand how to construct a binary tree from given preorder and inorder traversal arrays by using recursion. Learn to identify the root, left, and right subtrees from traversal data, and grasp the time and space complexity of this approach.

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Statement

Create a binary tree from two integer arrays, pOrder and iOrder, where pOrder represents a preorder traversal of a binary tree, and iOrder represents an inorder traversal of the same tree.

Constraints:

  • 1≤1 \leq pOrder.length, iOrder.length
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