?? ex3.cpp
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// Borland C++ - (C) Copyright 1991 by Borland International
// ex3.cpp: Inline Functions
// from Hands-on C++
#include <iostream.h>
const float Pi = 3.1415926;
inline float area(const float r) {return Pi * r * r;}
main()
{
float radius;
cout << "Enter the radius of a circle: ";
cin >> radius;
cout << "The area is " << area(radius) << "\n";
return 0;
}
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