请问:输入一个年份,判断是否是闰年。怎么写编码
#include <stdio.h>
int main()
{
int year, a;
printf("请输入年份:\n");
scanf("%d", &year);
if (year % 400 == 0)
a = 1;
else
{
if (year % 4 == 0 && year % 100 != 0)
a = 1;
else
a = 0;
}
if (a == 1)
{
printf("%d 是闰年\n", year);
}
else
{
printf("%d 不是闰年\n", year);
}
return 0;
}