Algorithm · Salesforce · Hard
Given a binary search tree (BST) and a positive integer k, find and return the k-th smallest value among all nodes. The tree nodes are defined as follows: Implement an iterative solution that stops the traversal as soon as the target element is reached, without visiting the entire tree. Follow‑up 1: Frequent Tree Modifications The BST is now updated very often (insertions and deletions), and k-th smallest queries are also frequent. Augment each node to store the number of…
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