Suppose that we would like to implement a queue system for a commercial website. Given that the website offers 3 items for sale (or a list of items), each item has a limit quantity in stock. Implement a queue of customers, each customer can buy only a few number product among the available three items.Determine the item name, their quantity in stock;Specify a queue of n customers, each customer can buy k products from one item (k is different for each customer);Customers take turn to enter (enqueue) and leave (dequeue) the queue according to the FIFO order to purchase wanted products;If a customer successfully purchased products, then display a message and reduce the number of products in stock; otherwise, if the item has been run out, display a warning message.Implement the above problems in C/C++ using a Queue data structur. Write a main function for testing all written functions.

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Answered: Suppose that we would like to implement…

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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Suppose that we would like to implement a queue system for a commercial website. Given that the website offers 3 items for sale (or a list of items), each item has a limit quantity in stock. Implement a queue of customers, each customer can buy only a few number product among the available three items.

Determine the item name, their quantity in stock;
Specify a queue of n customers, each customer can buy k products from one item (k is different for each customer);
Customers take turn to enter (enqueue) and leave (dequeue) the queue according to the FIFO order to purchase wanted products;
If a customer successfully purchased products, then display a message and reduce the number of products in stock; otherwise, if the item has been run out, display a warning message.

Implement the above problems in C/C++ using a Queue data structur. Write a main function for testing all written functions.

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