Question

using C++ make a vending machine that include drinks, snacks etc.. at the end shows me the final price and also that calculate the tax.

Answer 1

Programming Language C++ Program for a vending machine.

#include <iostream>
using namespace std;

int main()
{

//variable declaration
int drink = 0;
string more = "y";
float bill = 0.0, cokePrice = 30.0, spritePrice = 42.0, waterPrice = 20, snacksPrice = 60.0, tax = 0.0;
  
while( more == "y" || more == "Y")
{
  
cout << "Your choices of drinks are: " << endl;
cout << "1 - Coke" << endl;
cout << "2 - Sprite" << endl;
cout << "3 - Water" << endl;
cout << "4 - Snacks" << endl;

  
cout << "What drink would you like (1/4): ";
cin >> drink;
cout << endl;
  
switch(drink)
{
case 1 :
cout << "You chose Coke." << endl;
bill = bill + cokePrice;
break;
case 2 :
cout << "You chose Sprite." << endl;
bill = bill + spritePrice;
break;
case 3 :
cout << "You chose Water." << endl;
bill = bill + waterPrice;
break;
case 4 :
cout << "You chose Snacks." << endl;
bill = bill + snacksPrice;
break;
default :
cout << "Invalid Input";
  
}   
cout <<endl<< "Would you like to order more? (Y/N): ";
cin >> more;
}
//calculate tax
tax = (bill * 18) / 100;

//calculate total bill
bill = bill + tax;
cout << endl;
cout <<"total Tax = "<<tax;
cout << endl;
cout <<"Total Bill = "<<bill;
return 0;
}

INPUT:

Your choices of drinks are:                                                                                                     

1 - Coke                                                                                                                        

2 - Sprite                                                                                                                      

3 - Water                                                                                                                       

4 - Snacks                                                                                                                      

What drink would you like (1/4): 1                                                                                               

You chose Coke.                                                                                                                                                                                                                                                 

Would you like to order more? (Y/N): Y                                                                                          

Your choices of drinks are:                                                                                                     

1 - Coke                                                                                                                        

2 - Sprite                                                                                                                      

3 - Water                                                                                                                       

4 - Snacks                                                                                                                      

What drink would you like (1/4): 4                                                                                                                                                                                                                              

You chose Snacks.                                                                                                                   

Would you like to order more? (Y/N): N      

OUTPUT:                                                                                                                                  

Total Tax = 16.2                                                                                                                      

Total Bill = 106.2