The code on lines 44-53 is suppose to check see if the user enter a negative and produce a message, however, when the use enters a positive code produces the display again.
#include<iostream>
#include<cctype>
using namespace std;
int main()
{
char carType;
int A, B, C;
char keepgoing;
char condition;
double miles, per_miles,upgrade;
double days, per_days,new_char;
double price, fees, charges,discount, new_charges;
do
{
do
{
cout<<"Which car are you shopping for? (enter A, B, C)?"<<endl;
cin>>carType;
}while (carType != 'A' && carType != 'B' && carType != 'C' );
cout<<"What condition? (S, O, or, P)"<<endl;
cin>>condition;
if ((condition !='S') || (condition !='O') || (condition !='P'));
else
cout<<"Please enter the correct response"<<endl;
cout<<"How many miles?"<<endl;
cin>>miles;
do
{
cout<<"How many days?"<<endl;
cin>>days;
cout<<"You enter a negative number,please try again."<<endl;
}while (days < 0);
cout.setf(ios::fixed);
cout.setf(ios::showpoint);
cout.precision(2);
switch(carType)
{
case 'A':
per_miles = miles * 0.10;
per_days = days * 29.95;
price = per_miles + per_days;
break;
case 'B':
per_miles = miles * 0.15;
per_days = days * 35.95;
price = per_miles + per_days;
break;
case 'C':
per_miles = miles * 0.20;
per_days = days * 39.95;
price = per_miles + per_days;
break;
default:
cout<<"You entered an incorrect car choice"<<endl;
}
if(condition =='O')
{
fees = price * 0.10;
price = price - fees;
cout<<"The charges are?"<<price<<endl;
}
else if (condition == 'P')
{
fees = price * 0.10;
price = price + fees;
cout<<"The charges are?"<<price<<endl;
}
else
{
cout<<"The charges are?"<<price<<endl;
}
if (condition =='S')
{
fees = price * 0.10;
new_charges = price + fees;
discount = new_charges * 0.05;
upgrade = new_charges - discount;
cout<<"You may upgrade for a total cost of $"<<upgrade<<endl;
}
else if(condition =='O')
{
discount = price * 0.05;
upgrade = price - discount;
cout<<"You may upgrade for a total cost of $"<<upgrade<<endl;
}
else
{
cout<<"There are upgrades avialble"<<endl;
}
cout<<"Do you want another one (y/n)?"<< endl;
cin>>keepgoing;
}while (keepgoing == 'Y' || keepgoing == 'y');
cout<<"Thank you for using this program. Goodbye."<<endl;
}
