Development of Coil in CG

#include<stdio.h>
#include<conio.h>
#include<graphics.h>
void main()
{
 int gd=DETECT,gm,midx,midy,i;
 initgraph(&gd,&gm,"C:\\TurboC3\\BGI");
 midx=getmaxx()/2;midy=getmaxy()/2;
 for(i=0;i<=450;i=i+60)
 {
  ellipse(midx-200+i,midy,0,180,40,70);
 }
 for(i=0;i<=400;i=i+60)
 {
 ellipse(midx-170+i,midy,180,360,10,20);
 }
 line(midx-240,midy,midx-270,midy);
 line(midx+260,midy,midx+290,midy);
 getch();
 closegraph();
}