应输入标识符什么意思？
#include<iostream>
using namespace std;
class Time
{
friend void printime(Time &t);
public:
Time(int hours,int min,int sec);
private:
int m_hours;
int m_min;
int m_sec;
};
#endif
Time(int hours,int min,int sec)
{
m_hours=hours;
m_min=min;
m_sec=sec;
}
