#include<stdio.h>
int main()
{
int year, leap;
printf("Please input a year:\n");
scanf_s("%d", &year);
if ((year % 4 == 0 && year % 100 != 0) || year % 400 == 0)
leap = 1;
printf("leap=%d", leap);
if (leap==1)
printf("%d is a leap year!",year);
else
printf("%d is not a leap year!", year);
return 0;
}
执行结果如下: