Implementation Requirements Write a C program to (i) implement the following functions of a Queue using an integer array: queue_init(): Make the queue empty empty(): return true if the queue is empty. Return otherwise enqueue(val): add the item val to the queue dequeue(): remove the item least recently added to the queue front(): return the item least recently added to the queue, but do not remove it. (ii) the program reads in integer values as input: for a positive integer input value greater than 0, the program will insert the value into the queue, i.e. enqueue for any negative integer input value, the program will return the least recently added value from the queue if it is non-empty, i.e. front for the input value 0, the program will remove the least recently added value from the queue if it is non-empty, i.e. dequeue
Implementation Requirements Write a C program to (i) implement the following functions of a Queue using an integer array: queue_init(): Make the queue empty empty(): return true if the queue is empty. Return otherwise enqueue(val): add the item val to the queue dequeue(): remove the item least recently added to the queue front(): return the item least recently added to the queue, but do not remove it. (ii) the program reads in integer values as input: for a positive integer input value greater than 0, the program will insert the value into the queue, i.e. enqueue for any negative integer input value, the program will return the least recently added value from the queue if it is non-empty, i.e. front for the input value 0, the program will remove the least recently added value from the queue if it is non-empty, i.e. dequeue
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
Problem 1PE
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Transcribed Image Text:Implementation Requirements
Write a C program to
(i) implement the following functions of a Queue using an integer array:
queue_init(): Make the queue empty
empty(): return true if the queue is empty. Return otherwise
enqueue(val): add the item val to the queue
dequeue(): remove the item least recently added to the queue
front(): return the item least recently added to the queue, but do not
remove it.
(ii) the program reads in integer values as input:
for a positive integer input value greater than 0, the program will insert
the value into the queue, i.e. enqueue
for any negative integer input value, the program will return the least
recently added value from the queue if it is non-empty, i.e. front
for the input value 0, the program will remove the least recently added
value from the queue if it is non-empty, i.e. dequeue
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