显示时间【c++】

#include<iostream>
using namespace std;
class time
{
public:
void set();
void show();
private:
int hour;
int minute;
};
void set(time &);
void show(time &);
int main()
{
time t1;
t1.set();
t1.show();
return 0;
}
void time::set()
{
cin>>hour;
cin>>minute;
}
void time::show()
{
cout<<hour<<endl;
cout<<minute<<endl;
}