circle(),ellipse(),arc()

#include < graphics.h > 
#include < stdio.h > 
int main() {
    int i;
    int graphdriver = DETECT;
    int graphmode;
    initgraph( & graphdriver, &graphmode, "");
    cleardevice();
    circle(200, 200, 100);
    ellipse(400, 200, 0, 360, 100, 50);
    arc(200, 200, 0, 180, 50);
    getch();
    closegraph();
    return 0;
}