#include <stdio.h>
#include <math.h>
#include <cstdlib>
int main()
{
    int x,y,x1,y1,a;
    float r;
    double r1;
    printf(" Unesi koordinate tocke T : ");
    scanf("%d %d",&x, &y);
    printf("Unesi koordinate tocke S :  ");
    scanf ("%d %d, &x1, &y2");
    printf(" Unesi vrijednost r : ");
    scanf(" %f",&r);
    r1=sqrt (pow(x1-x,2) + pow(y1-y,2)) ;
    if (fabs(r1-r) < 0.000001)
          printf(" Tocka T(%d,%d) lezi na kruznici radijusa %5.3f.",x,y,r);
         else if  (r1<r)
             printf(" Tocka T(%d,%d) nalazi se unutar kruga radijusa %5.3f(a nije na kruznici).",x,y,r);
                 else
                   printf(" Tocka T(%d,%d) nalazi se izvan kruga radijusa %5.3f.",x,y,r);
    system ("PAUSE");
        return 0;
        }