#include <stdio.h>
int main()
{
??? /* 定義需要計算的日期 */
??? int year = 2008;
??? int month = 8;
??? int day = 8;
??? int sum,flag;
??? /*
???? * 請使用switch語句，if...else語句完成本題
???? * 如有想看小編思路的，可以點擊左側(cè)任務(wù)中的“不會了怎么辦”
???? * 小編還是希望大家獨立完成哦~
???? */
??? 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("%f",wrong);break;
??? }
??? sum=sum+day;
??? if((year%4==0&&year%100!=0)||year%400==0)
??? flag=1;
??? else
??? flag=0;
??? if(flag==1&&month>2)
??? sum++;
??? printf("%d年%d月%d日是該年的第%d天",year,month,day,sum);
?return 0;
}