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#include <iostream>
#include <string>
using namespace std;
//Prototypes
void InputInitialData(int& currentYear, double& gasPrice);
void InputUserData(string& carManufacture, string& carModel, int& carYear, int& carTankCapacity, int& carMPG, string& carFullName, int& carAge, int currentYear, double& carCruiseRange);
void FindHighMilesCar(string& highMPGName, int& highMPG, int carMPG, string carFullName);
void FindHighCrusingRange(string& highCruiseName, int& highCruiseRange, int carCruiseRange, string carFullName);
void FindLowCostCar(string& lowCostName, int& lowCostToDrive, int carMPG, double gasPrice, string carFullName);
void OutputCarData(string carManufacture, string carModel, int carAge, int carTankCapacity, double gasPrice, double carCruiseRange, double carCostLongDrive);
void OutputCarStats(string highMPGName, int highMPG, string highCruiseName, int highCruiseRange, string lowCostName, int lowCostToDrive);
int main()
{
string carManufacture,
carModel,
carFullName,
highMPGName,
highCruiseName,
lowCostName;
const string SENTINEL;
int numberToCompare = 0,
count = 0,
currentYear = 0,
carYear = 0,
carAge = 0,
carTankCapacity = 0,
carMPG = 0,
averageMPG = 0,
highMPG = -1,
highCruiseRange = -1,
lowCostToDrive = 10000;
double gasPrice = 0.0,
carCruiseRange = 0.0,
carCostLongDrive = 0.0;
cout << "Vehicle Comparison Report\n\n";
InputInitialData(currentYear, gasPrice);
while (carManufacture != SENTINEL)
{
InputUserData(carManufacture, carModel, carYear, carTankCapacity, carMPG, carFullName, carAge, currentYear, carCruiseRange);
}
FindHighMilesCar(highMPGName, highMPG, carMPG, carFullName);
FindHighCrusingRange(highCruiseName, highCruiseRange, carCruiseRange, carFullName);
FindLowCostCar(lowCostName, lowCostToDrive, carMPG, gasPrice, carFullName);
OutputCarData(carManufacture, carModel, carAge, carTankCapacity, gasPrice, carCruiseRange, carCostLongDrive);
OutputCarStats(highMPGName, highMPG, highCruiseName, highCruiseRange, lowCostName, lowCostToDrive);
return 0;
}
// Input Intial Data Defintion
void InputInitialData(int& currentYear, double& gasPrice)
{
cout << "\nEnter the current year: ";
cin >> currentYear;
cout << "\nWhat is the current gasoline price in your area? $";
cin >> gasPrice;
system("cls");
}
// Input User Data Defintion
void InputUserData(string& carManufacture, string& carModel, int& carYear, int& carTankCapacity, int& carMPG, string& carFullName, int& carAge, int currentYear, double& carCruiseRange)
{
const string SENTINEL = "E";
cout << "Please enter the vehicle\'s manufacturer: ";
cin >> carManufacture;
cout << "\nPlease enter the vehicle model: ";
cin >> carModel;
cout << "\nEnter the vehicle\'s year of manufacture: ";
cin >> carYear;
cout << "\nEnter the vehicle\'s listed MPG: ";
cin >> carMPG;
cout << "\nEnter the vehicle's gas tank capacity: ";
cin >> carTankCapacity;
system("cls");
carFullName = carManufacture + " " + carModel;
carAge = currentYear - carYear;
carCruiseRange = carTankCapacity * carMPG;
}
//Find High Miles Car Defintion
void FindHighMilesCar(string& highMPGName, int& highMPG, int carMPG, string carFullName)
{
if (carMPG > highMPG)
{
highMPGName = carFullName;
highMPG = carMPG;
}
}
//Find High Crusing Range Defintion
void FindHighCrusingRange(string& highCruiseName, int& highCruiseRange, int carCruiseRange, string carFullName)
{
if (carCruiseRange > highCruiseRange)
{
highCruiseName = carFullName;
highCruiseRange = carCruiseRange;
}
}
//Find Low Cost Car Defintion
void FindLowCostCar(string& lowCostName, int& lowCostToDrive, int carMPG, double gasPrice, string carFullName)
{
const int LONG_DISTANCE_MILES = 500;
double carCostLongDrive;
carCostLongDrive = static_cast<double>((LONG_DISTANCE_MILES) / static_cast<double>(carMPG)) * gasPrice;
if (carCostLongDrive < lowCostToDrive)
{
lowCostName = carFullName;
lowCostToDrive = carCostLongDrive;
}
}
// Output Car Data Defintion
void OutputCarData(string carManufacture, string carModel, int carAge, int carTankCapacity, double gasPrice, double carCruiseRange, double carCostLongDrive)
{
cout << "Vehicle Comparison Report\n\n";
cout << "\tVehicle under consideration: " << carManufacture << " " << carModel;
cout << "\n\n\tAge of vehicle: " << carAge;
cout << "\n\tVehicle gas tank capacity: " << carTankCapacity;
cout << "\n\tVehicle cruising range: " << carCruiseRange;
cout << "\n\tCurrent gasoline price: $" << gasPrice;
cout << "\n\tCost to drive 500 miles based on MPG and gas price: $" << carCostLongDrive << "\n\n";
system("pause");
system("cls");
}
// Output Car Stats
void OutputCarStats(string highMPGName, int highMPG, string highCruiseName, int highCruiseRange, string lowCostName, int lowCostToDrive)
{
cout << "Vehicle Comparison Report\n\n";
cout << "Average MPG of vehicles compared: " << highMPGName;
cout << "\n\nVehicle with highest MPG: " << highMPGName;
cout << "\nHighest MPG: " << highMPG;
cout << "\n\nVehicle with highest cruising range: " << highCruiseName;
cout << "\nHighest cruising range: " << highCruiseRange;
cout << "\n\nVehicle with lowest cost to drive 500 miles: " << lowCostName;
cout << "\nCost to drive 500 miles: $" << lowCostToDrive;
}
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