Problem Solving with C++ (9th Edition)
Problem Solving with C++ (9th Edition)
9th Edition
ISBN: 9780133591743
Author: Walter Savitch
Publisher: PEARSON
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Chapter 9, Problem 5PP
Program Plan Intro

Computer Lab Logging

Program Plan:

  • Include the necessary libraries.
  • Use namespace.
  • Define the constants and type definition.
  • Define the function prototypes.
  • Define the function “createArrays()” to create the dynamic array for the lab.
    • Declare the variables.
    • Define the first array which is the array of labs.
    • Define the second array which defines the size of the lab.
  • Define the function “freeArrays()” to release the allocated memory.
  • Define the function “showLabs()” to display the status of all labs.
  • Define the function “login()” to simulate the user login.
    • Declare the required variables.
    • Get input from the keyboard, validating data ranges.
    • Use a while loop to repeat operation until user requires.
    • Store the value and display the message.
    • Finally, assign that station to the user.
  • Define the function logoff() to logoff that user.
    • Declare the required variables.
    • Get input from keyboard, validating data ranges.
    • Use a while loop to repeat operation until user requires.
    • Store the value and display the message.
    • Use a for loop to repeat operation until user requires.
    • Display the message of the user logged in.
    • Otherwise display that user is not logged in.
  • Define the function “search()” to search that user.
    • Declare the required variables.
    • Get input from keyboard, validating data ranges.
    • Use a while loop to repeat operation until user requires.
    • Store the value and display the message.
    • Use a for loop to repeat operation until the user is found out.
    • Otherwise display that user is not logged in.
  • Define the main method.
    • Declare the variables that are required for program.
    • Initialize lab sizes to those given in the problem.
    • Create a ragged array structure.
    • Use a while loop to repeat operation until user requires.
    • Perform login, logoff or search function.
    • Free memory before exiting.

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