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pls help with this code in c++.

pls help with this code in c++.

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
Problem 1PE
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pls help with this code in c++. 

Lab 5.3.4 Gym membership management system Objectives Familiarize the student with: modelling real-world entities with classes and objects; limiting acceptable input range; managing multiple objects. Scenario After working on our flight-booking system, you should have a grasp of basic object-oriented programming. Now let's revisit the materialand create a similar system from scratch! Build a program that will manage gym member subscriptions. The data we're going to store about each member is going to be: their user ID; their name; for how many months their membership is valid. Our program should allow the following commands: the command "create [id] [name]" will try to create a new member with ID [id], name [name] and 0 months of subscription; the command "delete [id]" will try to remove the member with ID [id]; the command "extend [id] [n]" will try to extend the membership number of months of the member by [n]; the command "cancel [id]" will try to set the number of months of subscription to 0 of the member with the ID [id]; if an operation fails for any reason, the program will issue the message "Cannot perform this operation". You can add a more helpful message to identify why the operation failed; the command "quit" will stop the execution of the program. For the sake of simplicity, let's limit the maximum number of members handled to ten. As a convention, we can assume that 0 is not a valid member ID, so a member with an ID of 0 may be considered as nonexistent. Example input create 7 John Doe create 8 Jane Doe extend 7 6 extend 8 12 cancel 8 delete 7 quit User prompts were omitted in the output Example output No members in the system Member 7 : John Doe, subscription valid for 0 months Member 7 : John Doe, subscription valid for 0 months Member 8 : Jane Doe, subscription valid for 0 months Member 7 : John Doe, subscription valid for 6 months Member 8 : Jane Doe, subscription valid for 12 months Member 7 : John Doe, subscription valid for 6 months Member 8 : Jane Doe, subscription valid for 0 months
Transcribed Image Text:Lab 5.3.4 Gym membership management system Objectives Familiarize the student with: modelling real-world entities with classes and objects; limiting acceptable input range; managing multiple objects. Scenario After working on our flight-booking system, you should have a grasp of basic object-oriented programming. Now let's revisit the materialand create a similar system from scratch! Build a program that will manage gym member subscriptions. The data we're going to store about each member is going to be: their user ID; their name; for how many months their membership is valid. Our program should allow the following commands: the command "create [id] [name]" will try to create a new member with ID [id], name [name] and 0 months of subscription; the command "delete [id]" will try to remove the member with ID [id]; the command "extend [id] [n]" will try to extend the membership number of months of the member by [n]; the command "cancel [id]" will try to set the number of months of subscription to 0 of the member with the ID [id]; if an operation fails for any reason, the program will issue the message "Cannot perform this operation". You can add a more helpful message to identify why the operation failed; the command "quit" will stop the execution of the program. For the sake of simplicity, let's limit the maximum number of members handled to ten. As a convention, we can assume that 0 is not a valid member ID, so a member with an ID of 0 may be considered as nonexistent. Example input create 7 John Doe create 8 Jane Doe extend 7 6 extend 8 12 cancel 8 delete 7 quit User prompts were omitted in the output Example output No members in the system Member 7 : John Doe, subscription valid for 0 months Member 7 : John Doe, subscription valid for 0 months Member 8 : Jane Doe, subscription valid for 0 months Member 7 : John Doe, subscription valid for 6 months Member 8 : Jane Doe, subscription valid for 12 months Member 7 : John Doe, subscription valid for 6 months Member 8 : Jane Doe, subscription valid for 0 months
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