#include <stdio.h>
#include <conio.h>
#include <dos.h>
#include <math.h>
#include <graphics.h>
int main() {
int graphdriver = VGA, graphmode=VGAHI;
initgraph (&graphdriver, &graphmode, "");
rectangle (400, 400, 600, 300) ;
circle (200,300,100);
line (500,350,200,300);
closegraph();
return 0;
}