C语言：判断是否为闰年

#include 
int main (int argc,char const *argv[])
{
	int year;

	printf("请输入要判断的年份：\n");

	scanf("%d",&year);

	if(year % 400 == 0 || (year % 4 == 0 && year / 100 != 0))
	{
		printf("年份：%d是闰年！\n",year);
	}
	else
	{
		printf("年份：%d不是闰年！\n",year);
	}
	return 0;
}