Which of the following is NOT a characteristic of a binary search tree?

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Question: Which of the following is NOT a characteristic of a binary search tree?

Options:

Correct Answer: All nodes must have two children.

Solution:

In a binary search tree, it is not necessary for all nodes to have two children; some nodes can have one or no children.

Which of the following is NOT a characteristic of a binary search tree?

Which of the following is NOT a characteristic of a binary search tree?

Step 1: Understand what a binary search tree (BST) is. A BST is a type of data structure that stores values in a way that makes searching for them efficient.
Step 2: Know the main characteristics of a binary search tree. In a BST, for any given node, all values in the left subtree are less than the node's value, and all values in the right subtree are greater.
Step 3: Recognize that a binary search tree does not require every node to have two children. Some nodes can have only one child or no children at all.
Step 4: Identify the question's focus. It asks which option is NOT a characteristic of a binary search tree.
Step 5: Conclude that the statement about nodes not needing to have two children is true, meaning it is NOT a characteristic that defines a binary search tree.

No concepts available.