#include<stdio.h>
#include<conio.h>
main()
{
int x,y,r,x1,y1,p;
clrscr();
printf("\n enter the center of circle x and y");
scanf("\n %d%d",&x,&y);
printf("\n enter the radius of circle r');
scanf("\n %d",&r);
printf("\n enter the point x1 and y1");
scanf("\n %d%d",&x1,&y1");
p=(sqrt((x1-x)*(x1-x)+(y1-y)*(y1-y)));
if(p>r)
{
printf("\n point lies out side of the circle =%d",p);
}
else
{
if(p<r)
{
printf("\n point lies inside the circle =%d",p);
}
else
{
printf("\n point lies on the circle",p);
}
}
return (0);
}
output:-
enter the center of circle x=0
enter the center of circle y=0
enter the radius of circle r=6
enter the point x1=3
enter the point y1=4
point lies inside the circle p=5