Design and implement a Version-Queue data structure. A Version-Queue maintains a version number along with normal Queue functionality. Every operation [Enqueue/Dequeue] on the Queue increments its version. Implement the following functions: 1. Enqueue - appends an element at the end of the queue. 2. Dequeue - returns the front element of the queue. 3. Print - it takes a version number as input and prints the elements of the queue of the given version. The version number input can also be an old/historical version number. E.g. if the current version number of the queue is 7 and the input to this function is 5, then it should print the elements of the queue when its version number was 5

Design and implement a Version-Queue data structure. A Version-Queue maintains a version number along with normal Queue functionality. Every operation [Enqueue/Dequeue] on the Queue increments its version. Implement the following functions: 1. Enqueue - appends an element at the end of the queue. 2. Dequeue - returns the front element of the queue. 3. Print - it takes a version number as input and prints the elements of the queue of the given version. The version number input can also be an old/historical version number. E.g. if the current version number of the queue is 7 and the input to this function is 5, then it should print the elements of the queue when its version number was 5

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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Design and implement a Version-Queue
data structure. A Version-Queue maintains
a version number along with normal Queue
functionality. Every
operation [Enqueue/Dequeue] on the
Queue increments its version. Implement
the following functions:
1. Enqueue - appends an element at the
end of the queue. 2. Dequeue - returns the
front element of the queue. 3. Print - it
takes a version number as input and prints
the elements of the queue of the given
version. The version number input can also
be an old/historical version number. E.g. if
the current version number of the queue is
7 and the input to this function is 5, then it
should print the elements of the queue
when its version
number was 5

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