Write a C program that simulates the purchase of a single it

Write a C++ program that simulates the purchase of a single item in an online store.

Answer:-

#include <iostream>

using namespace std;

struct Drink
{
   // Public constructor / with default constructor
   Drink(string n, double c, int co)
   {
       name = n;
       cost = c;
       count = co;
   }
   Drink()
   {
       name = \" \";
       cost = 0;
       count = 0;
   }

const int DRINKS = 5; // Max number of drinks

   // New array using structure constructor to fill in data for all the drinks, costs, and inventory
   int data[DRINKS] =   {Drink(\"Coke\", .75, 20),
                       Drink(\"Root Beet\", .75, 20),
                       Drink(\"Orange Soda\", .75, 20),
                       Drink(\"Grape Soda\", .75, 20),
                       Drink(\"Bottled Water\", 1.00, 20)};

   // Local variables
   string name; // Name of the drink ie: Coke
   double cost; // Cost ie: $.75
   int count; // Number of items in vending machine

   // Function prototypes
   int displayChoices();
   double buyDrink(int c); // Choice as argument so it knows what drink to process
   double inputMoney(int c); // Choice as argument so it knows what drink to process
};

// Code implmentation for the functions

int Drink::displayChoices()
{
int choice;

   do
   {
       cout << \"This is a vending machine program.\ \"
           << \"1. Coke\ \"
           << \"2. Root Beer\ \"
           << \"3. Orange Soda\ \"
           << \"4. Grape Soda\ \"
           << \"5. Bottled Water\ \"
           << \"6. Quit the Program\ \"
           << \"Enter choice: \";
       cin >> choice;

// Validate the choice

       while (choice < 1 || choice > 6)
       {
           cout << \"Please select items 1-6\"
               << \"Re-enter: \";
           cin >> choice;

return choice;
}

} while (choice != 6);
}

double buyDrink(int choice)
{
cout << \"You selected #\" << choice << \".\"
}

double inputMoney(int choice)
{
int money,
total;

   cout << \"You selected #\" << choice << \".\"
       << \"Enter 1 to insert a quarter or 0 to quit.\ \";
   cin >> money;

   while (money != 0);
   {
       total += .25;

       cout << \"Total change entered: \" << total << \".\"
           << \"Enter 1 to insert a quarter or 0 to quit.\ \";
       cin >> money;
   }

return money;
}