클래스

#ifndef MYTIME

#define MYTIME

//****************************************************************************************

//클래스 선언

//****************************************************************************************

class Time

{

private:

int hours;

int min;

public:

Time();

Time(int h,int m = 0);

void AddMin(int m);

void AddHr(int h);

void Reset(int h = 0, int m =0);

Time operator+(const Time & t) const;

Time operator-(const Time & t) const;

Time operator*(const Time & t) const;

void Show() const;

}

#endif MYTIME

//****************************************************************************************

#include <iostream>

#include "ex2.h"

Time::Time()

{

Hours = minutes = 0;

}

Time ::Time(int h, int m )

{

hours =h;

min = m ;

}

void Time::AddMin(int m)

{

min += m;

hour += min/60;

mim %= 60;

}

void Time::AddHr(int h)

{

hours += h;

}

void Time::Reset(int h, int m)

{

hours = h;

min = m;

}

Time Time::operator +(const Time &t) const

{

Time sum;

sum.min = min +t.min;

sum.hours = hour + t.hours + sum.min / 60;

sum.min %= 60;

return sum;

}

Time Time::operator -(const Time &t) const

{

Time diff;

int tot1, tot2;

tot1 = t.min + 60 * t.hours;

tot2 = min + 60 * hours;

diff.min = (tot2 - tot1) % 60;

diff.hours = (tot2 - tot1) / 60;

return diff;

}

Time Time::operator *(const Time &t) const

{

Time result;

long totalmin = hours * mult * 60 + min * mult;

result.hours = totalmin / 60;

result.min = totalmin % 60;

return result;

}

void Time::Show() const

{

std::cout << hours << "시간," << min <<"분";

}
//****************************************************************************************

// main

#include <iostream>

#include "ex2.h"

void main()

{

using namespace std;

Time weeding(4, 35);

Time waxing(2,47);

Time total;

Time diff;

Time adjusted;

cout << "weeding time = ";

weeding.Show();

cout << endl;

cout << "waxing time =";

waxing.Show();

cout << endl;

cout << "total work time =";

total = weeding + waxing;

total.Show();

cout << endl;

diff = weeding - waxing;

cout << "weeding time - waxing time =";

diff.Show();

cout << endl;

adjusted = total * 1.5;

cout << "adjusted work time = ";

adjusted.Show();

cout << endl;

}