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Grokking the Coding Interview Patterns in Go

Solution: Build Binary Tree from Preorder and Inorder Traversal

Understand how to build a binary tree from preorder and inorder traversal arrays by using recursive techniques that identify root nodes and subtrees. Explore how to optimize search with hash maps and analyze the time and space complexity of this solution.

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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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