Chapter 18: Problem 28

T F A static stack or queue is built around an array.

Short Answer

Expert verified

True (T).

Step by step solution

Understand Stacks and Queues

Stacks and queues are abstract data types that store and organize elements in a particular way. Stacks follow the Last-In-First-Out (LIFO) principle, where the most recent element added to the stack is the first one to be removed. Queues follow the First-In-First-Out (FIFO) principle, where the oldest element added to the queue is the first one to be removed.

Static Stack or Queue

A static stack or queue is a stack or queue with a fixed size. Once the maximum size is reached, no new elements can be added unless space is made by removing existing elements.

Implementation using an Array

An array is a data structure that consists of a collection of elements, each identified by an index. Static stacks and queues can be built using an array because their fixed size aligns with the nature of an array. The elements in both static stacks and queues can be stored within an array, and their respective insertion and deletion operations can be performed by keeping track of the indices or pointers within the array.

Static Stack using an Array

In a static stack implementation using an array, a top pointer variable is used to keep track of the index of the last element added to the stack. When a new element is added, the top pointer is incremented, and the element is stored at the new index. When an element is removed, it is taken from the current top index, and the top pointer is decremented.

Static Queue using an Array

In a static queue implementation using an array, two pointer variables, front and rear, are used to keep track of the indices of the first and last elements in the queue. When a new element is added, the rear pointer is incremented, and the element is stored at the new index. When an element is removed, it is taken from the current front index, and the front pointer is incremented.

Answer

A static stack or queue is indeed built around an array. Using an array to implement static stacks and queues is suitable for their fixed size nature and allows for efficient insertion and deletion operations while managing the stack or queue elements. So, the statement is True (T).

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T F A static stack or queue is built around an array.

Short Answer

Step by step solution

Understand Stacks and Queues

Static Stack or Queue

Implementation using an Array

Static Stack using an Array

Static Queue using an Array

Answer

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