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Chapter 19: Problem 3

A node with no children is called a(n) __________.

Short Answer

Expert verified
Answer: The term used to describe a node with no children in a tree data structure is called a "leaf" or "leaf node". Leaf nodes are important because they represent the end of a path in the tree, which is useful in various algorithms and traversal methods.

Step by step solution

01

Definition

The term that describes a node with no children is called a "leaf" or "leaf node".
02

Explanation

In a tree data structure, nodes are used to represent elements and their relationships with each other. A leaf node is a node with no children, meaning it is at the lowest level of the tree and has no further elements connected to it. Leaf nodes are important as they represent the end of a path in the tree, which can be useful in various algorithms and traversal methods.

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Most popular questions from this chapter

A ternary tree is like a binary tree, except each node in a ternary tree may have three children: a left child, a middle child, and a right child. Write an analogue of the TreeNode declaration that can be used to represent the nodes of a ternary tree.

In what ways is a binary tree similar to a linked list?
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