computer science 19

/in /by

Find the Bugs (6 bugs):

// This pseudocode should determine the rental fees for cars and 
// outputs the cartype and rental rate.
// Standard cars rent for $65 per day; compacts rent for $40 per day
// and subcompacts rent for $30 per day
// Rentals for at least 7 days receive a 20% discount
// An error message is displayed if the car type is not valid
start
   Declarations
      string carType
      num days
      num STD_RATE = 65
      num COM_RATE = 42
      num SUB_RATE = 30
      num DAYS_FOR_DISCOUNT = 7
      num DISCOUNT_RATE = 0.20
      string QUIT = “ZZZZ”
   getReady()
   while carType <> QUIT
      detailLoop()
   endwhile
   finish()
stop

getReady()
   output “Enter car type or “, QUIT, ” to quit ”
   input carType
return

detailLoop()
   output “Enter days rented ”
   input days
   if carType = “Standard” then
      rate = SUB_RATE
   else
      if car_Type = “Compact” then
          price = COM_RATE
      else
         if carType = “Subcompact” then
            rate = SUB_RATE
         else
            rate = 0
            output “Invalid car type”
         endif
      endif
      if rate <> 0 then
         rate = rate * days
         if days >= DAYS_FOR_DISCOUNT then
            rate = rate – rate * DISCOUNT_RATE
         endif
            output carType, rate
      endif
      output “Enter car type or “, QUIT, ” to quit ”
      input carType
return

finish()
   output “End of program”
return

 

2 Write the pseudocode for a program that accepts the following phone call data continuously until a sentinel value is entered: customer area code (three digits), customer phone number (seven digits), called area code (three digits), called number (seven digits), and call time in minutes (four digits). Display the calling number, called number, and price for the call.The Norman Telephone Company charges 10 cents per minute for all calls outside the customer’s area code that last over 20 minutes. All other calls are 13 cents per minute

 

3 The Barking Lot is a dog day care center. Write the pseudocode using modules for the following:

A program that continuously accepts data for an ID number of a dog’s owner until a sentinel value is entered. The other data that is entered are the name, breed, age, and weight of the dog. Display a “bill” (invoice) containing all the input data as well as the weekly daycare fee which is $60 for dogs under 15 pounds, $80 for dogs at least 15 to 30 pounds inclusive, $100 for dogs from 31 to 80 pounds inclusive, and $125 for dogs over 80 pounds

 

 

 
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