Drawing a Triangle

#include <graphics.h>

int main() {
    int gd = DETECT, gm;
    initgraph(&gd, &gm, NULL);

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

    delay(5000);
    closegraph();

    return 0;
}