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: