#include <graphics.h>
#include <conio.h>
#include <math.h>
#define PI 3.141593
int main()
{
int graphdriver=DETECT;
int graphmode;
double a=0,b;
int x0=340,y0=240,r=100,i,x,y;
#include <stdio.h>
#include <conio.h>
#include <graphics.h>
#include <math.h>
#define PI 3.141593
int main()
{
int graphdriver=DETECT;
int graphmode;
double a=0,b;
int x0=340,y0=240,r=100,i,x,y;