哪里错了哇
#include <stdio.h>
int main()
{
/* 定义需要计算的日期 */
int year = 2008;
int month = 8;
int day = 8;
int sum;
{switch(month)
case 1:sum=0;break;
case 2:sum=31;break;
case 3:sum=59;break;
case 4:sum=90;break;
case 5:sum=120;break;
case 6: sum=151;break;
case 7: sum=181;break;
case 8: sum=212;break;
case 9: sum=243;break;
case 10:sum=273;break;
case 11:sum=304;break;
case 12: sum=334;break;
default:printf("一年只有12个月");break;
}
sum=sum+day;
if((year%4==0&&year&100!==0)||(year%100==0))
{printf("%d年是闰年,2月是29天",year);}
sum++;
printf("%d年%d月%d日是该年的%d天",year,month,day,sum);
return 0;
}