z5

#include <iostream>
#include <cmath>

int main ()
{
    double a,b,c;
    std:: cout<<"Unesite tri realna broja: ";
    std:: cin>>a>>b>>c;
    const double eps(1e-10);
    if (std::fabs(c*c-a*a-b*b)<eps || std::fabs(a*a-b*b-c*c)<eps || std::fabs(b*b-a*a-c*c)<eps)
       std:: cout<<"Uneseni brojevi mogu biti stranice pravouglog trougla.";
       else
        std::cout<<"Uneseni brojevi ne mogu biti stranice pravouglog trougla."<<std:: endl;
        return 0; }