5.4

#include"time_user.h"

void main()

{

    time_user t1;

    t1.timeset();

    t1.timedis();

}

Time_use.h

#pragma once

#include<iostream>

using namespace std;

class time_user

{

    int h,m,s;

public:

    time_user(void);

    ~time_user(void);

    void timeset();

    void timedis();

};