Wap to draw a triangle

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

void main() {

int gd = DETECT, gm;
initgraph(&gd, &gm, "c:\\tc\\bgi");

 line(300, 100, 200, 200);
line(300, 100, 400, 200);
line(200, 200, 400, 200);
getch();

closegraph();

}