Traffic Light Simulation

/*
Write a program for Traffic light simulation in C 
*/
 
#include<graphics.h>
#include<conio.h>
#include<dos.h>
#include<stdlib.h>

main()
{
int gd = DETECT, gm, midx, midy;

initgraph(&gd, &gm, "C:\\TC\\BGI");

midx = getmaxx()/2;
midy = getmaxy()/2;

setcolor(RED);
settextstyle(SCRIPT_FONT, HORIZ_DIR, 3);
settextjustify(CENTER_TEXT, CENTER_TEXT);
outtextxy(midx, midy-10, "Traffic Light Simulation");
outtextxy(midx, midy+10, "Press any key to start");
getch();
cleardevice();
setcolor(WHITE);
settextstyle(DEFAULT_FONT, HORIZ_DIR, 1);
rectangle(midx-30,midy-80,midx+30,midy+80);
circle(midx, midy-50, 22);
setfillstyle(SOLID_FILL,RED);
floodfill(midx, midy-50,WHITE);
setcolor(BLUE);
outtextxy(midx,midy-50,"STOP");
delay(2000);
graphdefaults();
cleardevice();
setcolor(WHITE);
rectangle(midx-30,midy-80,midx+30,midy+80);
circle(midx, midy, 20);
setfillstyle(SOLID_FILL,YELLOW);
floodfill(midx, midy,WHITE);
setcolor(BLUE);
outtextxy(midx-18,midy-3,"READY");

delay(2000);
cleardevice();
setcolor(WHITE);
rectangle(midx-30,midy-80,midx+30,midy+80);
circle(midx, midy+50, 22);
setfillstyle(SOLID_FILL,GREEN);
floodfill(midx, midy+50,WHITE);
setcolor(BLUE);
outtextxy(midx-7,midy+48,"GO");
setcolor(RED);
settextstyle(SCRIPT_FONT, HORIZ_DIR, 4);
outtextxy(midx-150, midy+100, "Press any key to exit...");

getch();
closegraph();
return 0;
}