#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include <graphics.h>
void main() {
int    GraphDriver;             /* The Graphics device driver           */
int    GraphMode;               /* The Graphics mode value              */
struct point { int x,y; } p1,p2;
char aa;
int k,i,m,n,j;
float x,y,rad=3.14159/180;

  printf("give me the circle point--->"); scanf("%d %d",&p1.x,&p1.y);
  printf("give me the k --->"); scanf("%d",&k);
  printf("give me the no. of fan --->"); scanf("%d",&n);
  getche(); j=1;
  GraphDriver = DETECT;                 /* Request auto-detection       */
  initgraph( &GraphDriver, &GraphMode, "" ); /* just increasing p1 - p2 */
  while (1) {
    m=k;
    while (m > 30) {
      for (i=0; i<=360; i++) {
	x=p1.x+m*cos(n*i*rad)*cos(i*rad); y=p1.y+m*cos(n*i*rad)*sin(i*rad);
	if (i == 0) moveto(x,y);
	else lineto(x,y);
      }
      m-=20; setcolor((j++)%16+1);
    }
    delay(50);
    while ((aa=kbhit()) != 0) break;
    if (aa != 0) break;
  }
  getche();  closegraph();                 /* Return the system to text mode       */
}