#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;
int k,i,m,j;
char aa;
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);
  getche();  m=k; j=1;
  GraphDriver = DETECT;                 /* Request auto-detection       */
  initgraph( &GraphDriver, &GraphMode, "" ); /* just increasing p1 - p2 */
while (1) {
  while (m > 30 ) {
	for (i=0; i<=360; i++) {
	  x=p1.x+m*(1+cos(i*rad))*cos(i*rad); y=p1.y+m*(1+cos(i*rad))*sin(i*rad);
	  if (i == 0) moveto(x,y);
	  else lineto(x,y);
	}
	m-=10; setcolor((j++)%15);
  }
  m=k;
  while ((aa=kbhit())!= 0) break;
  if (aa != 0) break;
}
  getche();  closegraph();                 /* Return the system to text mode       */
}