/* Gregory Fala */
/* pianoman128@yahoo.com */
/* Program to Calculate the Price Per Square Inch for Pizza 
from a Restaurant */

#include <stdio.h>

int main ()	{
	/* Define constants and variables */
	const double pi = 3.1415;
	double pizzaPrice;
	double pizzaDiameter;
	double pizzaRadius;
	double pizzaArea;
	double pizzaSqInPrice;

	/* Greet user */
	printf ("Welcome to the Consumer Value Pizza Calculator. \n");
	printf ("                    Enjoy!                     \n");
	printf (" \n ");
	/* Get price of pizza from user */
	printf ("Please enter the price of the pizza: ");
	scanf ("%lf", &pizzaPrice);
	printf (" \n ");
	/* Get diameter of pizza (in inches) from user */
	printf ("Please enter the diameter of the pizza (in inches): ");
	scanf ("%lf", &pizzaDiameter);
	printf (" \n ");
	/* Determine radius of pizza */
	pizzaRadius = pizzaDiameter / 2;
	/* Determine area of pizza */
	pizzaArea = pi * pizzaRadius * pizzaRadius;
	/* Determine price per square inch of pizza */
	pizzaSqInPrice = pizzaPrice/pizzaArea;
	/* Display results */
	printf ("Results: \n ");
	printf (" \t Diameter: %4.0f     Radius: %6.2f     Area: %7.2f     Price: %6.2f \n",
			pizzaDiameter, pizzaRadius, pizzaArea, pizzaPrice);
	printf (" \n ");
	printf ("The Cost Per Square Inch Is: %6.3f \n", 
			pizzaSqInPrice);
	return 0;
}