#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;
??? /*
???? * 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~
???? */
???? {
?? ?
?????? switch(month-1)
?????? {
????????? ?
??????????? case 12:
??????????? sum+=31;
??????????? case 11:
??????????? sum+=30;//接下來逐一計算。
??????????? case 10:
??????????? sum+=31;
??????????? case 9:
??????????? sum+=30;
??????????? case 8:
??????????? sum+=31;
??????????? case 7:
??????????? sum+=31;
??????????? case 6:
??????????? sum+=30;
??????????? case 5:
??????????? sum+=31;
??????????? case 4:
??????????? sum+=30;
??????????? case 3:
??????????? sum+=31;
??????????? case 2 : if("year%4==0&&year/4!=0"){
?????? ??? ?sum+=29;
??????????? }
??????????? else??? sum+=28;
?? ??? ??? ?case 1:
?? ??? ??? ?sum+=31;
??????????? break;
?????? }
}?? ?sum+=day;
??? printf("%d年%d月%d日是該年的第%d天。",year,month,day,sum);
?? ?return 0;
}