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#include
#include
using namespace std;


class Date       ///½¨Á¢Ò»¸öDate Àࣻ
{int year,month,day;
public:
        void set(int y,int m,int d);//¶¨ÒåÒ»¸öset()º¯Êý
        void set(string &s); //Ôٴζ¨ÒåÁËset()º¯Êý£¬ÕâÀï¾ÍÓ¦¸ÃÉæ¼°º¯ÊýµÄÖØÔØÁË£»
        bool isleapyear();//¶¨ÒåÁËÂß¼­ÅжϺ¯Êý"bool"
    void print();//¶¨ÒåÁËprinte()º¯Êý£»

};//¶¨ÒåÍêÁËÀàÔÚ×îºóÒ»¶¨Òª¼ÇµÃ¼Ó;

void Date::set(int y,int m,int d)//ÔÚÀàÍⶨÒ庯Êýset()£»ÕâÀïÖµµÃÒ»ÌáµÄÊÇ Date::set£»ÔÚºÍÓÐÔªº¯ÊýµÄ¶¨Òå¾ÍÊÇÕâÀïµÄÀà¼Ó::£»
{
year=y;month=m;day=d;}


void Date::set(string &s)//ÔÚÀàÍⶨÒ庯Êýset()£»{year=atoi(s.substr(0,4).c_str());//ÕâÀïµÄatoi(s.substr(0,4).c_str())ÊÇʲôÒâ˼£¿²»¶®£»
month=atoi(s.substr(5,2).c_str());
day=atoi(s.substr(8,2).c_str());
}

bool Date::isleapyear()//ÇóÊÇ·ñÊÇÈòÄꣻ
{return(year%4==0 && year%100!=0)||(year%400==0);//ÕâÀïruturn½ô½Ó×Ų»¼Ó£¨£©Âð?
}

void Date::print()
{cout< cout< cout< }

void main()
{Date d,e;
d.set(2012,12,28);
e.set("2005-05-05";
e.print();
if (d.isleapyear());
d.print();
}
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