T12 - zad.6.

#include <iostream>
#include <algorithm>

class AmerickeMjere
{
    int j,s,i;
    static void Skrati(int &jard, int &stopa, int &inc){
                while(inc >11) { inc-=12; stopa++;}
                while(stopa >2) { stopa-=3; jard++;}
                }
public:
    AmerickeMjere(int jard, int stopa, int inc): j(jard), s(stopa), i(inc);{}
    AmerickeMjere(double metri){i=metri*0,0254;}
    void Ocitaj(int &jard, int &stopa, int &inc){
                Skrati(j,s,i); jard=j; stopa=s; inc=i;
                }

    friend AmerickeMjere operator+(AmerickeMjere a, AmerickeMjere b)
    {
        int jard(a.j+b.j), stopa(a.s+b.s), inc(a.i+b.i);
                Skrati(jard,stopa,inc);
                    return {jard,stopa,inc};
    }

    AmerickeMjere &operator += (const AmerickeMjere &b)
    {
        j+=b.j; s+=b.s; i+=b.i;
        Skrati(j,s,i);
        return *this;
    }

    AmerickeMjere &operator ++(){ i++; Skrati(j,s,i);}

    AmerickeMjere operator ++(int){
        AmerickeMjere pomocni(*this);
        i++; Skrati(j,s,i); return pomocni;}

    friend std::ostream &operator<<(std::ostream& tok,const AmerickeMjere &m)
    { tok<<m.j<<" yd "<<m.s<<" ft "<<m.i<<" in"<<std::endl; }

};

int main()
{
    AmerickeMjere a(0,5,11);
    a++;
    std::cout<<a;

}