#include <iostream>

#include<string>

using namespace std;

#define ARRAY_LENGTH 25

#define PI 3.1416

#define MY_DOUBLE double

#define FAV_WHISKY "Jack Daniels"

/*

// Superior alternatives (comment those above when you uncomment these)

const int ARRAY_LENGTH = 25;

const double PI = 3.1416;

typedef double MY_DOUBLE;

const char* FAV_WHISKY = "Jack Daniels";

*/

int main()

{

int MyNumbers [ARRAY_LENGTH] = {0};

cout << "Array's length: " << sizeof(MyNumbers) / sizeof(int) << endl;

cout << "Enter a radius: ";

MY_DOUBLE Radius = 0;

cin >> Radius;

cout << "Area is: " << PI * Radius * Radius << endl;

string FavoriteWhisky (FAV_WHISKY);

cout << "My favorite drink is: " << FAV_WHISKY << endl;

return 0;

}