#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;
??? sum == 0;
??? switch(month)
??? {
??????? case 1: sum += 0;break;
??????? case 2: sum += 31;break;
??????? case 3: sum += 29;break;
??????? case 4: sum += 31;break;
??????? case 5: sum += 30;break;
??????? case 6: sum += 31;break;
??????? case 7: sum += 30;break;
??????? case 8: sum += 31;break;
??????? case 9: sum += 31;break;
??????? case 10: sum += 30;break;
??????? case 11: sum += 31;break;
??? }
??? if(year % 4 == 0)
??? {
??????? sum += 1;
??? }
??? else
??? {
??????? sum += 0;
??? }
??? sum=sum+day;
??? printf("%d年%d月%d日是該年中的第%d天",year,month,day,sum);
?return 0;
}