这题二月哪有问题求解啊
#include <stdio.h>
int main()
{ int year = 2008;
int month = 8;
int day = 8;
int d=0;
switch(month-1)
{
case 1:d+=31;
case 2:if((year%4==0&&year%100!=0)||year%400==0)d+=29;else d+=28;
case 3:d+=31;
case 4:d+=30;
case 5:d+=31;
case 6:d+=30;
case 7:d+=31;
case 8:d+=31;
case 9:d+=30;
case 10: d+=31;
case 11:d+=30;
case 12:d+=31;
}
printf("2008年8月8日是该年的第%d天",d+8);
return 0;
}