判断闰年

 源程序：

#include <iostream>
using namespace std;
int main()
{
	int year;
	bool IsLeapYear;
	cout<<"Enter the year:";
	cin>>year;
	IsLeapYear=((year%4==0&&year%100!=0)||(year%400==0));
	if (IsLeapYear)
		cout <<year <<" is a leap year !"<<endl;
	else
		cout <<year  <<" is not a leap year! "<<endl;
}

 

 

运行结果：