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Data Structures for Coding Interviews in Java

Solution: Find Minimum Value in Binary Search Tree

Explore techniques to identify the minimum value in a binary search tree by traversing left child nodes. Learn both iterative and recursive approaches, and understand their time and space complexity to apply these methods confidently in Java coding interviews.

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Statement

Given the root node of a binary search tree (BST), find and return the minimum value present in the BST.

Constraints:

Let n be the number of nodes in a binary search tree.

  • 0≤0 \leq n ≤500\leq500

  • −104≤-10^4\leq Node.data ≤104\leq10^4 ...

Solution 1: Iterative approach