如何判断闰年(超简单C实现)

#define _CRT_SECURE_NO_WARNINGS 1
#include<stdio.h>

int main()
{
	int year = 0;
	scanf("%d", &year);
	if ((year % 4 == 0) && (year % 100 != 0) || (year % 400 == 0))
		printf("%d是闰年\n",year);
	else
		printf("%d不是闰年\n", year);

	return 0;
}