C语言根据日期求月份

判断某年是不是闰年需要满足以下条件：1。能被4整除而不能被100整除。2。能被400整除。intyearif((year%4==0)&&(year%100!=0)||(year%400==0))printf("%d年是闰年\n",year)elseprintf("%d年消皮基不拿谨是闰握冲年\n",year)

#include<stdio.h>

int main()

{

int year,month,days,day

printf("请输入年月日")

scanf("%d-%d-%d"袜指,&year,&month,&days)

switch(month)

{

case 1:

case 3:

case 5:

case 7:

case 8:

case 10:

case 12: day=31break

case 4:

case 6:

case 9:

case 11:day=30break

case 2:

if(year%4==0&&year%100!=0||year%400==0)

day=29

else

day=28break

default :printf("error\n")

}

printf("拆亮这个月有告御配%d天",day)

}

---