circle

#include <conio.h>
#include <graphics.h>

void main(){

    int driver, mode;
    driver = DETECT;
    initgraph(&driver,&mode," ");

    int xc = 0;
    int yc = 0;
    int r  = 5;
    //center point(xc,yc)
    //radius r
    circle(xc,yc,r);

    getch();
    close graph();
}