/**
 CIRCLE.C   Exercise solution 1.7.
 **/

#include <stdio.h>

int main(void) {  
  
  float radius = -1.0; 
  float x = 0.0;
  float y = 0.0;
  int status = 0;

  while (radius < 0.0) {
    printf("\nEnter radius: ");
    scanf("%f",&radius);
  }

  printf("\nEnter the x coordinate: ");
  scanf("%f",&x);
  printf("\nEnter the y coordinate: ");
  scanf("%f",&y);

  if (x*x + y*y <= radius*radius) {
    printf("\nInside!\n");
  }
  if (x*x + y*y > radius*radius) {
    printf("\nOutside!\n");
  }
  
   return status;    

}