#include <stdio.h>
#include <math.h>

struct point
{
    int xpos;
    int ypos;
};

struct circle
{
    double radious;
    struct point * center;
};

int main()
{
    struct point cen={2, 7};
    double rad=5.5;
    
    struct circle ring={rad, &cen};
    printf("원의 반지름: %g \n", ring.radious);
    printf("원의 중심 [%d, %d] \n", (ring.center) -> xpos, (ring.center) -> ypos);

    return 0;
}