蓝桥杯官网练习系统基础练习(一)

闰年判别

#include <stdio.h>
int main() {
	int y;
	scanf("%d",&y);
	if(y%4==0&&y%100!=0)
		printf("yes");
	else if(y%400==0)
		printf("yes");
	else 
		printf("no");
		return 0;
}