#include <stdio.h>
#include <math.h>
#pragma warning(disable:4996)
#define PI 3.14
typedef struct point
{
int xpos;
int ypos;
} Point;
typedef struct circle
{
Point cen;
int rad;
} Circle;
Circle GetCircleInfo(void)
{
Circle Cen, Rad;
printf("Input focus and radius of circle: ");
scanf("%d %d %d", &Cen.cen.xpos, &Cen.cen.ypos, &Rad.rad);
return Cen, Rad;
}
void CalcCircle(Circle *c1, Circle *c2)
{
double distance;
double area1, area2;
distance = sqrt((double)((c1->cen.xpos - c2->cen.xpos) * (c1->cen.xpos - c2->cen.xpos) + (c1->cen.ypos - c2->cen.ypos) * (c1->cen.ypos - c2->cen.ypos)));
area1 = (double)( (c1->rad) * (c1->rad) * PI );
area2 = (double)( (c2->rad) * (c2->rad) * PI );
printf("Distance of two point is %g \n", distance);
printf("Area of C1 is %g \n", area1);
printf("Area of C2 is %g \n", area2);
}
int main(void)
{
Circle C1 = GetCircleInfo();
Circle C2 = GetCircleInfo();
CalcCircle(&C1, &C2);
return 0;
}