#define _CRT_SECURE_NO_WARNINGS

#include <stdio.h>
#include <math.h>
#define PI 3.1415

//* The parmeters are 2 and 10
void addto(double ptr, double *ptr_2) {

	*ptr_2 = *ptr_2 + ptr;

}
void solve_sphere(double  *ptrvolume, double *ptrarea, double radius) {

	*ptrvolume = (4 / 3) * PI * pow(radius, 3);
	*ptrarea = 4 * PI* pow(radius, 2);

}

int main() {

	double sum = 2;
	double number_1 = 10;
	double x = 5;

	double radius = 2;
	double volume = 0;
	double area = 0;
	double number;

	addto(number_1, &sum);

	printf("The sum is %lf\n", sum);
	addto(x, &sum);


	printf("The sum is %lf\n", sum);


	printf("Enter a number for the radius\n");
	scanf("%lf", &number);

	solve_sphere(&volume, &area, radius);

	printf("The area is %lf\n", area);
	printf("The volume is %lf\n", volume);

	return 0;
}