输入某一年的月份,输出该月的天数
#include<stdio.h>
void main()
{
int year, month, day;
printf("输入年份月份\n");
scanf("%d,%d", &year, &month);
switch (month)
{
case 1:
case 3:
case 5:
case 7:
case 8:
case 10:
case 12:day = 31;
break;
case 4:
case 6:
case 9:
case 11:day = 30;
break;
case 2:
{
if ((year % 4 == 0) && (year % 100 != 0) || (year % 400 == 0))
day = 29;
else
day = 28;
}
break;
}
printf("该月%d天\n", day);
}