nene

#include <iostream>
#include <cmath>

const double PI=4*atan(1);

class Ugao{
    double rad;

    public:
    Ugao(double radijani=0){
        Postavi(radijani);
    }
    Ugao(int stepeni, int minute, int sekunde){
        Postavi(stepeni,minute,sekunde);
    }
    void Postavi(double radijani);
    void Postavi(int stepeni, int minute, int sekunde);
    double DajRadijane() const { return rad;}
    int DajStepene() const {return (int)((DajRadijane()*PI)/180);}
    int DajMinute() const {return (int)(((DajRadijane()*PI)/180-DajStepene())*60);}
    int DajSekunde() const {return ((((DajRadijane()*PI)/180-DajStepene())*60)-DajMinute())*60; }

    friend Ugao operator +(const Ugao &u1, const Ugao &u2);
    friend Ugao operator -(const Ugao &u1, const Ugao &u2);
    friend Ugao operator *(const Ugao &u, int x);
    friend Ugao operator *(int x, const Ugao &u);
    friend bool operator <(const Ugao &u1, const Ugao &u2){
    return u1.DajRadijane()<u2.DajRadijane();
    }
    friend Ugao operator += (Ugao &u1, const Ugao &u2){ return Ugao(u1.rad+u2.rad);}
    friend Ugao operator -= (const Ugao &u1, const Ugao &u2){ return Ugao(u1.rad-u2.rad);}
    friend Ugao operator * (Ugao &u, int x){
    return {u.rad*x};
}
};

Ugao operator +(const Ugao &u1, const Ugao &u2){
    return {u1.DajRadijane() + u2.DajRadijane()};
}
Ugao operator -(const Ugao &u1, const Ugao &u2){
    return {u1.DajRadijane() - u2.DajRadijane()};
}
Ugao operator *(const Ugao &u, int x){
    return Ugao(u.rad * x);
}
Ugao operator *(int x, const Ugao &u){
    return Ugao(u.rad * x);
}



void Ugao::Postavi(double radijani){
    if(radijani < 0)
        while(radijani < 0)
            radijani += 2 * PI;
    else
        while(radijani > 2 * PI)
            radijani -= 2 * PI;
    Ugao::rad=radijani;
}
void Ugao::Postavi(int stepeni, int minute, int sekunde)
{
    if(sekunde < 0)
        while(sekunde < 0) {
            minute--;
            sekunde += 60;
        }
    else if(sekunde > 60)
        while(sekunde > 60) {
            sekunde -= 60;
            minute++;
        }

    if(minute < 0)
        while(minute < 0) {
            stepeni--;
            minute += 60;
        }
    else if(minute > 60)
        while(minute > 60) {
            stepeni++;
            minute -= 60;
        }
    if(stepeni < 0)
        while(stepeni < 0)
            stepeni += 360;
    else if(stepeni > 360)
        while(stepeni > 360)
            stepeni -= 360;

    if(stepeni == 360)stepeni=0;
    Ugao::rad=((((double)(sekunde))/3600+((double)(minute))/60+stepeni)*180)/PI;

}



int main ()
{
    return 0;
}