How to Solve Construct Binary Tree from Preorder and Postorder Traversal Problem
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Construct Binary Tree from Preorder and Postorder Traversal
Given two integer arrays, preorder and postorder where preorder is the preorder traversal of a binary tree of distinct values and postorder is the postorder traversal of the same tree, reconstruct and...
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Understanding the Construct Binary Tree from Preorder and Postorder Traversal Problem
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Problem Statement
Given two integer arrays, preorder and postorder where preorder is the preorder traversal of a binary tree of distinct values and postorder is the postorder traversal of the same tree, reconstruct and return the binary tree. If there exist multiple answers, you can return any of them.
Construct Binary Tree from Preorder and Postorder Traversal
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Examples
preorder = [1,2,4,5,3,6,7], postorder = [4,5,2,6,7,3,1][1,2,3,4,5,6,7]preorder = [1], postorder = [1][1]Constraints
1 <= preorder.length <= 301 <= preorder[i] <= preorder.lengthAll the values of preorder are unique.postorder.length == preorder.length1 <= postorder[i] <= postorder.lengthAll the values of postorder are unique.It is guaranteed that preorder and postorder are the preorder traversal and postorder traversal of the same binary tree.How Interview Coder Helps with Leetcode Problems
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