// vehicle2.cpp - program to compute the range in miles of a vehicle

#include <iostream>
#include <string>
using namespace std;
 
  // declare Vehicle class
 
  class Vehicle  
  {
    public:   

      // prototypes for member functions (methods)

      // compute and return range 
      int range();       

      // declare constructor and destructor 
      Vehicle(int num_passengers, int gal_fuel_capacity, int miles_gallon);
      ~Vehicle();
         
      // data members (attributes)
      string carMake;
      int passengers;     // number of passengers in vehicle
      int fuel_capacity;  // fuel tank capacity in gallons
      int mpg;            // miles per gallon
  };

  // Implement Constructor for Vehicle
  Vehicle::Vehicle(int num_passengers, int gal_fuel_capacity, int miles_gallon)
  { 
    carMake = "unknown";
    passengers = num_passengers;
    fuel_capacity = gal_fuel_capacity;
    mpg = miles_gallon;
  }

  // Implement Destructor for Vehicle
  Vehicle::~Vehicle()
  {
    cout << "Destructing...  Run!" << endl;
  }

  // implement the member function range().  Note that :: is the scope resolution operator
  int Vehicle::range()  
  {
    return mpg * fuel_capacity;
  }

  int main()
  { 

    // create Vehicle objects and pass values to Vehicle constructor
    Vehicle minivan(7, 16, 21);   
    Vehicle sportscar(2, 14, 12);   

    int range1, range2;    // ranges for minivan and sportscar

    cout << "Make of minivan?  ";
    getline (cin, minivan.carMake);

    cout << "Make of sportscar?  ";
    getline (cin, sportscar.carMake);

    // compute ranges, assume full tank
    range1 = minivan.range();
    range2 = sportscar.range();

    cout << "Minivan can hold " << minivan.passengers <<
            " with a range of " << range1 << " miles.\n";

    cout << "Sportscar can hold " << sportscar.passengers <<
            " with a range of " << range2 << " miles.\n";
  }