#include <stdio.h>
void main()
{
int year;
printf("Input the year:\n");
scanf("%d",&year);
if (year%4!=0)printf("%d is not a leap year.\n",year);
else
if (year%100==0)
{
if(year%400==0)printf("%d isa leap year.\n",year);
else printf("%d is not a leap year.\n",year);
}
else printf("%d is a leap year.\n",year);
}
参考资料:http://zhidao.baidu.com/question/44018315.html