BresCircle

#include <graphics.h>
#include <stdlib.h>
#include <stdio.h>
#include <conio.h>
void plot(int xc,int yc,int x,int y){
putpixel(xc+x,yc+y,RED);
putpixel(xc-x,yc+y,BLUE);
putpixel(xc+x,yc-y,GREEN);
putpixel(xc-x,yc-y,BROWN);
putpixel(xc+y,yc+x,CYAN);
putpixel(xc-y,yc+x,GREEN);
putpixel(xc+y,yc-x,MAGENTA);
putpixel(xc-y,yc-x,BLUE);
}
void bres(int xc,int yc,int radius){
int x=0,y=radius;
int p=1-radius;
plot(xc,yc,x,y);
while(x<y){
x++;
if(p<0)
p=p+2*x+1;
else{
y--;
p=p+2*(x-y)+1;
}
plot(xc,yc,x,y);
}
}
void main(){
int gd=DETECT,gm;
int x,y,xc,yc,radius,i;
initgraph(&gd,&gm,"c:\\tc\\bgi");
bres(200,150,50);
bres(250,150,50);
bres(300,150,50);
bres(350,150,50);
bres(400,150,50);
    getch();
}