#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=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("一年沒有%d個(gè)月哦~",month );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++;
if(day>=32)
??? printf("一個(gè)月沒有%d天哦~",day);
else
??? printf("%d年%d月%d日是該年的第%d天" ,year, month, day, sum);
return 0;
}