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Using an array with the front of the queue at the front of the array. Using an array with the front of the queue at the back of the array. Using a singly linked list with the front of the queue at the head of the list. Using a singly linked list with the front of the queue at the tail of the list.

Using an array with the front of the queue at the front of the array. Using an array with the front of the queue at the back of the array. Using a singly linked list with the front of the queue at the head of the list. Using a singly linked list with the front of the queue at the tail of the list.

Database System Concepts
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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Consider the Queue ADT: Queue: enqueue (x) adds x to the back of the queue dequeue () removes element at the front of the queue size() returns number of elements in queue Select all options that allow for an efficient implementation based on the discussions from class. For any array implementation, you can assume the array is large enough so that making a larger one is not needed when pushing an item to the stack. You can assume that a linked list will have both a head and tail reference. Using an array with the front of the queue at the front of the array. Using an array with the front of the queue at the back of the array. Using a singly linked list with the front of the queue at the head of the list. Using a singly linked list with the front of the queue at the tail of the list. None of these choices allows for an efficient implementation of all methods.
Transcribed Image Text:Consider the Queue ADT: Queue: enqueue (x) adds x to the back of the queue dequeue () removes element at the front of the queue size() returns number of elements in queue Select all options that allow for an efficient implementation based on the discussions from class. For any array implementation, you can assume the array is large enough so that making a larger one is not needed when pushing an item to the stack. You can assume that a linked list will have both a head and tail reference. Using an array with the front of the queue at the front of the array. Using an array with the front of the queue at the back of the array. Using a singly linked list with the front of the queue at the head of the list. Using a singly linked list with the front of the queue at the tail of the list. None of these choices allows for an efficient implementation of all methods.
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