ANALOG CLOCK PROGRAM(code in .cpp)

#include"stdio.h"
#include"iostream.h"
#include"dos.h"
#include"graphics.h"
#include"conio.h"
#include"math.h"
void draw()
{
outtextxy(314,98,"12");
outtextxy(384,114,"1");
outtextxy(434,163,"2");
outtextxy(454,230,"3");
outtextxy(317,369,"6");
outtextxy(177,230,"9");
outtextxy(436,300,"4");
outtextxy(195,302,"8");
outtextxy(195,163,"10");
outtextxy(244,112,"11");
outtextxy(388,353,"5");
outtextxy(248,353,"7");
}
void main()
{

int gd=0,gm;
initgraph(&gd,&gm,"c:\\progra~1\\tc\\bgi");
draw();
float s;
float df;


int x_sec,y_sec;
int q_min,w_min;
int a_hour,b_hour;

//int count=0;
struct  time t;

while(!kbhit())
{
 gettime(&t);
 float an_sec=4.72+t.ti_sec*.1047198;
 float an_min=4.72+t.ti_min*.1047198;
 float an_hour=4.72+t.ti_hour*5*.1047198;
 if(t.ti_min>=12 && t.ti_min<24)
 {
    an_hour=an_hour+2*.1047198;
 }
  if(t.ti_min>=24 && t.ti_min<36)
 {
    an_hour=an_hour+(3*.1047198);
 }
  if(t.ti_min>=36 && t.ti_min<48)
 {
    an_hour=an_hour+(4*.1047198);
 }
  if(t.ti_min>=48 && t.ti_min<60)
 {
    an_hour=an_hour+(5*.1047198);
 }


 gotoxy(2,2);
 printf("The current System time is: %d: %d: %d",t.ti_hour, t.ti_min, t.ti_sec);

 cout<<"   ";
 setlinestyle(0,0,0);
 setcolor(0);
 line(320,240,x_sec,y_sec);
 line(320,240,q_min,w_min);
 line(320,240,a_hour,b_hour);

 x_sec=320+100*cos(an_sec);
 y_sec=240+100*sin(an_sec);
 q_min=320+110*cos(an_min);
 w_min=240+110*sin(an_min);
 a_hour=320+85*cos(an_hour);
 b_hour=240+85*sin(an_hour);

 setcolor(WHITE);
 setlinestyle(0,0,1);
 line(320,240,x_sec,y_sec);

 setlinestyle(0,0,2);
 setcolor(YELLOW);
 line(320,240,q_min,w_min);

 setlinestyle(0,0,3);
 setcolor(YELLOW);
 line(320,240,a_hour,b_hour);

 an_sec+=.1047198;
 delay(1000);
 }
 getch();

}