定义一个日期类，对日期进行设置，判断是否为闰年

include

using namespace std;

class Date

{

public:

void Set(int y,int m,int d);

bool IsLeapYear();

void Print();

private:

int year,month,day;

};

void Date::Set(int y,int m,int d)

{

year = y;

month = m;

day = d;

}

bool Date::IsLeapYear()

{

return(year%4==0&&year%100!=0)||(year%400==0);

}

void Date::Print()

{

cout<