电子时钟

#include <iostream>

#include<iomanip>

using namespace std;

class Clock

{

protected:

int Hour,Minute,Second;

public:

Clock(int h=0,int m=0,int s=0):Hour(h),Minute(m),Second(s)

{

}

void show()

{

cout<<setw(2)<<setfill('0')<<Hour<<":"<<setw(2)<<setfill('0')<<Minute<<":"<<setw(2)<<setfill('0')<<Second<<'\n';

}

void set(int h,int m,int s)

{

Hour=h,Minute=m,Second=s;

}

};

int main()

{

int x,y,z;

cin>>x>>y>>z;

Clock a(x,y,z);

a.show();

}