tuto 6 c++

#include <iostream>
#include <iomanip>
using namespace std;

class Time{

private:

    int min;
    int hour;

public:

    Time() {hour = 0, min = 0;} // parameterized constructor

    Time(int inHours, int inMinutes){
        if(inHours >= 0 && inHours <= 23){hour = inHours;}
        if(inMinutes >=0 && inMinutes <= 59) {min = inMinutes;}
    }



    void setTime(int inHours, int inMinutes){
        if(inHours >= 0 && inHours <= 23){hour = inHours;}
        if(inMinutes >=0 && inMinutes <= 59) {min = inMinutes;}
        }

     void showTime(){
         cout << setfill('0');
         cout << setw(2) << hour << ":" << setw(2) << min << endl;// for (2) 00:00
     }

    Time copyTime( Time &inTime){
        hour = inTime.hour;
        min = inTime.min;

    return inTime;
            }

    void addTime(int f, int g){



            hour = hour + f;
            min = min + g ;


            if( min >= 60){

                hour = hour +1;
                min = min - 60;
            }

            while (hour > 24){

                hour = hour - 24;
            }

            if(hour == 24){
                if(min>0){
                    hour =0;
                }
            }
            }



    };



int main(){

        Time t1;
        t1.showTime();

        Time t2;
        t2.setTime(18, 30);
        t2.showTime();
        cout<< "After calling from settime,time 1 is ";
        t1.setTime(8, 47);
        t1.showTime();

        Time t3;
        t3.copyTime(t1);
        t3.addTime(18, 15);
        t3.showTime();

        t2.addTime(36, 11);
        t2.showTime();



        return 0;
    }