#include <stdio.h>
int main()
{
??? // 定義需要計算的日期
??? int year = 2008;
??? int month = 8;
??? int day = 8;
??? /*
???? * 請使用switch語句，if...else語句完成本題
???? * 如有想看小編思路的，可以點擊左側任務中的“不會了怎么辦”
???? * 小編還是希望大家獨立完成哦~
???? */
??? int sum = i;
??? if ((year%4==0&&year%100!=0)||year%400)
??? i = 1;
??? else
??? i = 0;
??? switch(month)
??? {
??????? case = 1:sum+=31;break;
??????? case = 2:sum+=28;break;
??????? case = 3:sum+=31;break;
??????? case = 4:sum+=30;break;
??????? case = 5:sum+=31;break;
??????? case = 6:sum+=30;break;
??????? case = 7:sum+=31;break;
??????? case = 8:sum+=30;break;
??????? case = 9:sum+=31;break;
??????? case = 10:sum+=30;break;
??????? case = 11:sum+=31;break;
??????? case = 12:sum+=30;break;
??????? default printf("第%d年%d月%d日是今年的第%d天",year,month,day,sum);
??? }
?return 0;
}