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Gennadij [26K]
3 years ago
11

Online Book Merchants offers premium customers 1 free book with every purchase of 5 or more books and offers 2 free books with e

very purchase of 8 or more books. It offers regular customers 1 free book with every purchase of 7 or more books, and offers 2 free books with every purchase of 12 or more books.
Write a statement that assigns freeBooks the appropriate value based on the values of the bool variable isPremiumCustomer and the int variable nbooksPurchased .


I tried
if (isPremiumCustomer==true)
{
if (nbooksPurchased >= 5)
{
freeBooks==1;
{
if (nbooksPurchased >= 8)
{
freeBooks==2;
}
}
}
}
else if (isPremiumCustomer==false)
{
if (nbooksPurchased >= 7)
{
freeBooks==1;
{
if (nbooksPurchased >= 12)
{
freeBooks==2;
}
}
}
}

but the system said:
Remarks:
? At Execution

Problems Detected:
? The value of freeBooks is incorrect.
? You did not assign a value to freeBooks

and this one ......


Write a loop that reads strings from standard input where the string is either "duck" or "goose". The loop terminates when "goose" is read in. After the loop, your code should print out the number of "duck" strings that were read.
Computers and Technology
1 answer:
andrey2020 [161]3 years ago
6 0

Answer:

This question has two parts, first part is about programming about a Player class and second for reading string from user and decide how many time duck string entered by user and terminate if user press goose string.

The explanation of both program (executable code) is given below in explanation section.

Explanation:

//Program 1

#include <iostream>

using namespace std;

int main()

{

 bool isPremiumCustomer;

 int nbooksPurchased;

 int totalBookPurchasedWithOffer;

// bool cutomerType;

 int freeBooks;

 cout<<"Press 1 for Premium Customer and 0 for regular Customer";

 cin>>isPremiumCustomer;

 cout<<"How many books you purchased ";

 cin>>nbooksPurchased;

 

 

switch(isPremiumCustomer)// what type of customer is  

{

case 1://if customer is premium

 if (nbooksPurchased >= 5&&nbooksPurchased<8)// purchase book greater between 5 and 8

  {

   freeBooks=1;//offer free book

   totalBookPurchasedWithOffer=nbooksPurchased+freeBooks;//total number of book including free book

   

   cout<<"You purchased total book with offer ";//show total books

   cout<<totalBookPurchasedWithOffer;

  }

   

  else if (nbooksPurchased >= 8)//if premium customer purchase more than 8 book

    {

    freeBooks=2;//offer two free book

    totalBookPurchasedWithOffer=nbooksPurchased+freeBooks;//total number of book including free book

    cout<<"You purchased total book with offer ";

    cout<<totalBookPurchasedWithOffer;//show total books

    }

  else{

   cout<<"You purchased total book with no offer ";

    cout<<nbooksPurchased;

   }

  break;

case 0:// if customer is regular customer

 if (nbooksPurchased >= 7&&nbooksPurchased<12)//and purchase book between 7 and 12

  {

   freeBooks=1;// offer 1 free book

   totalBookPurchasedWithOffer=nbooksPurchased+freeBooks;

   cout<<"You purchased total book with offer ";

   cout<<totalBookPurchasedWithOffer;

  }

   

  else if (nbooksPurchased >= 12)//if purchase 12 or more than 12 book

    {

    freeBooks=2;//offer two free book

    totalBookPurchasedWithOffer=nbooksPurchased+freeBooks;

    cout<<"You purchased total book with offer ";

    cout<<totalBookPurchasedWithOffer;

    }

 else{

  cout<<"You purchased total book with no offer ";

  cout<<nbooksPurchased;

  }

  break;

 

}

 

 

 

return 0;// terminate the program

 

}

/* program 1 has ended

and program 2 is started from here

#######################################################

*/

#include <iostream>

using namespace std;

int main()

{

string readstring;// take input string from user to enter either "goose" or "duck"

int count=0;//count the number of "duck"

while(readstring!="goose")//run loop, until user do not enter string  

{

 cout<<"Enter the string either goose or duck ";// prompt user to enter the string

 cin>> readstring;// read string from user

 if (readstring=="duck")//if string equal to "duck"

 {

  count=count+1;//count number of duck string enter by user

   

 }

}//exit/terminate the loop, if user enter the goose string

cout<< " Number of duck that were read " ;// show how many duck string entered by user

cout<<count;

return 0;// terminate the program

 

}

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