Mid Point Circle

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

int main()
{
    int gd=DETECT,gm;
    initgraph (&gd,&gm,"");
    int x, y,a,b, r, p;
    printf("Enter the mid points (x,y) and radius: \n");
    scanf("%d %d %d", &a, &b, &r);
    x=0;
    y = r;
    p = 1-r;
    while (x<y)
    {
        if (p <0)
    {
        x++;
        p = p + (2*x) + 1;
        printf("(%d,%d)\n", x, y);

    }
    else
    {
        x++;
        y--;
        p = p + 2*(x-y) +1;
        printf("(%d,%d)\n", x, y);


    }
putpixel(x+a , y+b,WHITE);
putpixel(-(x)+a , y+b,WHITE);
putpixel(x+a , -(y)+b,WHITE);
putpixel(-(x)+a , -(y)+b,WHITE);
putpixel(y+a, x+b ,WHITE);
putpixel(-(y)+a,x+b , WHITE);
putpixel( y+a,(-x)+b ,WHITE);
putpixel((-y)+a,(-x)+b , WHITE);



    }
     getch();
     closegraph();
    return 0;
}