9_4.c.bak

来自「文件打开关闭」· BAK 代码 · 共 9 行

#include<stdio.h>
#define LEAP_YEAR(y) ((y%400)||((y%4==0)&&(y%100!=0)))?1:0
						
main(){
int year;
scanf("%d",&year);
if(LEAP_YEAR(year)) printf("%d is a leap year",year);
	else printf("%d is not a leap year",year);
}