#include <stdio.h>

// Struct for Car
typedef struct Car {
	char model[50];
	int year;
	double price;
} Car;

// Print details of passed car pointer
void display_details(Car *car) {
	printf("Model: %s\n", car->model);
	printf("Year: %d\n", car->year);
	printf("Price: $%0.02f\n", car->price);
}


// Returns a pointer to the car with the lowest price
Car *find_lowest_price(Car arr[], int len) {
	int lowest_price = arr[0].price;
	Car *lowest = &arr[0];
	for(int i = 1; i < len; i++) {
		if(arr[i].price < lowest_price) {
			lowest_price = arr[i].price;
			lowest = &arr[i];
		}
	}
	return lowest;
}

// Returns double of average price of the cars
double find_average_price(Car arr[], int len) {
	double average = 0;
	for(int i = 0; i < len; i++) {
		average += arr[i].price;
	}
	return average / len;
}

int main() {
	// Cars to test function and struct
	Car c1 = {"Honda Pilot", 2016, 20000.50};
	Car c2 = {"Chevy Tahoe", 2002, 7500.25};
	Car c3 = {"Lamborghini Aventador", 2015, 450000};

	Car arr[] = {c1, c2, c3};

	// Display all car details
	for(int i = 0; i < sizeof(arr) / sizeof(arr[0]); i++) {
		display_details(&arr[i]);
	}

	//Print car with lowest price
	printf("\nCar with the lowest price: ");
	display_details(find_lowest_price(arr, 3));

	//Print average price of the cars
	printf("\nAverage price: $%0.02f\n", find_average_price(arr, 3));

	return 0;
}