C++ Programming Code Examples
C++ > Pointers Code Examples
Program for Area Of Circle Using Pointer In C++
/* Program for Area Of Circle Using Pointer In C++ */
/*##Simple Area Of Circle C++ Program, pointers Example C++ Programming*/
/*##Pass By Reference C++ Function Example Program In C++ Programming*/
// Header Files
#include <iostream>
#include<conio.h>
using namespace std;
// Declare Area of Circle Function Using Pointer
void area_of_circle(float *value, float *result) {
*result = 3.14 * (*value) * (*value);
}
int main() {
float radius, area;
cout << "Pointer Example C++ Program : Area Of Circle Using Pointer and Functions\n";
cout << "\nEnter the radius of Circle : ";
cin>>radius;
//area = 3.14 * radius * radius;
area_of_circle(&radius, &area);
cout << "\nArea of Circle : " << area;
getch();
return 0;
}
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