Description
输入年和月,判断该月有几天?
Input
输入年和月,格式为年\月。
Output
输出该月的天数。
#include <stdio.h>
#include <stdlib.h>
int main()
{
int y,m;
scanf("%d\%d",&y,&m);
if(y%400==0||(y%100!=0&&y%4==0))
{
switch(m)
{
case 1:
case 3:
case 5:
case 7:
case 8:
case 10:
case 12:printf("31");break;
case 2:printf("28");break;
case 4:
case 6:
case 9:
case 11:printf("30");break;
}
}
else
{
switch(m)
{
case 1:
case 3:
case 5:
case 7:
case 8:
case 10:
case 12:printf("31");break;
case 2:printf("29");break;
case 4:
case 6:
case 9:
case 11:printf("30");break;
}
}
return 0;
}