NeetCode #446LC-889MediumTrees
← Back to All Problems#446 · #889 · Construct Binary Tree from Preorder and Postorder Traversal(根据前序和后序遍历构造二叉树)
📌 Problem Statement & Constraints
Given two integer arrays
preorder and postorder representing the pre-order and post-order traversal of a binary tree, construct and return the tree. If multiple trees are valid, return any of them. All values are distinct. Constraints: 1 <= preorder.length <= 30, preorder.length == postorder.length.🔒
Sign In to Unlock Full Solutions for All 973 Problems
Sign in to access step-by-step logic, benchmark Python3 code, complexity breakdown, and offline export!