tut9-zad3

#include <iostream>
#include <iomanip>
#include <stdexcept>
#include <cmath>
#include <vector>


using namespace std;

class Sat {
    int sati, minute, sekunde;
public:
    void Postavi (int sati, int minute, int sekunde);
    void Sljedeci();
    void Prethodni();
    void PomjeriZa (int pomak);
    int DajSate() const {return sati; }
    int DajMinute() const {return minute;}
    int DajSekunde () const {return sekunde; }
    void Ispisi() const;
    friend int BrojSekundiIzmedju (const Sat &s1,const Sat &s2);

};

void Sat::Postavi (int sati, int minute, int sekunde)
{ if (sati<0 || minute<0 || sekunde<0 || sati>23 || minute>59 || sekunde>59)
throw domain_error ("Neispravan unos.");
    Sat::sati=sati; Sat::minute=minute; Sat::sekunde=sekunde;
}
void Sat::Sljedeci () {
 PomjeriZa(1);
}
void Sat::Prethodni () {
    PomjeriZa(-1);
}

void Sat::PomjeriZa(int pomak) {
    sekunde+=pomak;
    int temp=sekunde+pomak;
    if (temp>59) {
            minute+=temp%60;
    sekunde=0;
    }
    if (minute>59) {
        sati+=minute%60;
        minute=0;
    }
}

void Sat::Ispisi() const {
    cout.fill('0');cout.width(2); cout<<sati<<":";
    cout.fill('0');cout.width(2);cout<<minute<<":";
    cout.fill('0');cout.width(2);cout<<sekunde<<":";
}

int BrojSekundiIzmedju (const Sat &s1,const Sat &s2) {
return ((s1.sati*3600+s1.minute*60+s1.sekunde)-(s2.sati*3600+s2.minute*60+s2.sekunde));
}

    int main () {
        Sat s1, s2;
        s1.Postavi(12,45,30);
        s2.Postavi(14,6,32);
        cout<<endl;
        cout<<s1.DajMinute()<<endl;
        cout<<s2.DajSekunde();
        s1.PomjeriZa(13);
        cout<<endl;
        s1.Ispisi();
cout<<endl;
        int n=BrojSekundiIzmedju(s1,s2);
        cout<<n;
    return 0;
    }