[LeetCode] Construct Binary Search Tree from Preorder Traversal

1008. Construct Binary Search Tree from Preorder Traversal Given an array of integers preorder, which represents the preorder traversal of a BST (i.e., binary search tree), construct the tree and return its root. It is guaranteed that there is always possible to find a binary search tree with the given requirements for the given test cases. A binary search tree is a binary tree where for every node, any descendant of Node.left has a value strictly less than Node.val, and any descendant of Node....

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