Use the Style That Fits the Message

question 18

Short Answer

Use the style that fits the message .

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Definitions:

Stack

A data structure that follows a last in, first out (LIFO) principle, allowing items to be added and removed from the top.

Postorder Traversal

A way of traversing a tree data structure where each node is visited after its children, often used to delete or free nodes and space.

Binary Search Tree

A data structure that keeps elements in sorted order, allowing for efficient search, addition, and removal operations.