Which of the following is true about a binary search tree?

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Question: Which of the following is true about a binary search tree?

Options:

Correct Answer: The left child is always less than the parent.

Solution:

In a binary search tree, the left child is always less than the parent, and the right child is always greater.

Which of the following is true about a binary search tree?

Which of the following is true about 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 allows for efficient searching, adding, and removing of values.
Step 2: Learn the basic rule of a binary search tree. In a BST, for any given node (the parent), all values in the left subtree (left child) must be less than the value of the parent node.
Step 3: Understand the right subtree rule. In a BST, all values in the right subtree (right child) must be greater than the value of the parent node.
Step 4: Remember these two rules: left child < parent and right child > parent. This is what makes a binary search tree unique and efficient for searching.

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