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Grokking the Coding Interview Patterns in Go

Kth Smallest Element in a BST

Explore how to solve the problem of finding the kth smallest element in a binary search tree (BST). This lesson helps you understand the problem constraints and develop an optimal solution using depth-first search (DFS). You will learn to implement and analyze algorithms that efficiently traverse BSTs while managing time and space complexity.

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Statement

Given the root node of a binary search tree and an integer value k, return the kthk^{th} smallest value in the tree. ...