Question
Which of the following techniques is most efficient for
finding the kth smallest element in a Binary Search Tree (BST)?Solution
In a Binary Search Tree (BST), an Inorder Traversal retrieves elements in sorted order. To find the kth smallest element, an efficient approach is to perform an Inorder Traversal and stop after visiting the kth element. This method is efficient because it directly leverages the BST's inherent properties without extra data structures. Steps:
- Perform a recursive Inorder Traversal.
- Maintain a counter to track the number of visited nodes.
- When the counter equals k , return the current node's value.
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