#include <stdio.h>
int main()
{
int year = 2008;
int month = 8;
int day = 8;
int sum, flag;
switch(month)
{
case 1:sum=0;break;
case 2:sum=31;break;
case 3:sum=59;break;
case 4:sum=98;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("一年当中只有12个月哦~");break;
}
if(year%400 == 0||(year%4 == 0&&year%100 != 0))
flag =1;
else
flag =0;
if(flag == 1&&month>2)
sum++;
printf("%d年%d月%d日是该年的第%d天",year,month,day,sum);
return 0;
}
你的( default:printf("一年当中只有12个月哦~");),这里的分号是中文状态下的分号,把它改成英文状态下下的分号就可以了
#include <stdio.h>
int main()
{
int year = 2008;
int month = 8;
int day = 8;
int sum, flag;
switch(month)
{
case 1:sum=0;break;
case 2:sum=31;break;
case 3:sum=59;break;
case 4:sum=98;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("一年当中只有12个月哦~");break;
}
if(year%400 == 0||(year%4 == 0&&year%100 != 0))
flag =1;
else
flag =0;
if(flag == 1&&month>2)
sum++;
printf("%d年%d月%d日是该年的第%d天",year,month,day,sum);
return 0;
}
#include <stdio.h>
int main()
{
int year = 2008;
int month = 8;
int day = 8;
int sum, flag;
switch(month)
{
case 1:sum=0;break;
case 2:sum=31;break;
case 3:sum=59;break;
case 4:sum=98;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("一年当中只有12个月哦~");break;
}
sum=sum+day;
if(year%400 == 0||(year%4 == 0&&year%100 != 0))
flag =1;
else
flag =0;
if(flag == 1&&month>2)
sum++;
printf("%d年%d月%d日是该年的第%d天",year,month,day,sum);
return 0;
}
default:printf("一年当中只有12个月哦~");break;中的;应该用英文的