#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)
??? {
??????? case 1:printf("sum=0");break;
??????? case 2:printf("sum=31");break;
??????? case 3:printf("sum=59");break;
??????? case 4:printf("sum=90");break;
??????? case 5:printf("sum=120");break;
??????? case 6:printf("sum=151");break;
??????? case 7:printf("sum=181");break;
??????? case 8:printf("sum=212");break;
??????? case 9:printf("sum=243");break;
??????? case 10:printf("sum=273");break;
??????? case 11:printf("sum=304");break;
??????? case 12:printf("sum=334");break;
??????? default:printf("輸入錯誤");
??? }
??? if(year%4==0&&year%100!=0||year%400==0)
??? {
??? ?sum=sum+day+1;
??? ?printf("%d",sum);
??? }
??? else
??? {
??? ?sum=sum+day;
??? ?printf("%d",sum);
??? }
??? return 0;
}