5.22打卡

#include <bits/stdc++.h>
using namespace std;
class Clock
{
    public:
        void settime(int newH=0,int newM=0,int newS=0);
        void showtime();
    private:
        int hour,minute,second;    
};
void Clock::settime(int newH,int newM,int newS)
{
    hour=newH;
    minute=newM;
    second=newS;
}
inline void Clock::showtime()
{
    cout<<hour<<":"<<minute<<":"<<second<<endl;
}
int main()
{
    Clock myclock;
    cout<<"first time"<<endl;
    myclock.settime();
    myclock.showtime();
    cout<<"second time"<<endl;
    myclock.settime(8,30,30);
    myclock.showtime();
    return 0; 
}