Animation Drawing Ball part2

#include<conio.h>
#include<graphics.h>
#include<dos.h>
void main()
{
int i,gd,gm;
detectgraph(&gd,&gm);
initgraph(&gd,&gm,"C:\\TURBOC3\\BGI");

for(i=1;i<=100;i++)
{
cleardevice();
circle(200+i,200,50);
delay(50);
}

 for(i=100;i>=1;i--)
{
cleardevice();
circle(200+i,200,50);
delay(50);
}
getch();
}