Answer / daru

just use Bresenham's algo

d=1-r;
y=r;
x=0;
while(y>x)
{
if(d<0)
d+=2*x+3;
else {
d+=2*(x-y)+5;
y--;
}
x++;
plotpoints(x,y);
}

Answer / vignesh

#include<stdio.h>
#include<graphics.h>
main()
{
int x,y,r;
printf("Enter x,y,r\n");
scanf("%d %d %d",&x,&y,&r);

int g=DETECT,gmode;
initgraphics(&g,&gmode,"");
circle(x,y,r);
closegraphics();
}

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