#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(cè)任務(wù)中的“不會了怎么辦”
???? * 小編還是希望大家獨(dú)立完成哦~
???? */
??? int sum,m;
??? switch(month)
??? {
??????? case 1:sum=day;break;
??????? case 2:sum=31+day;break;
??????? case 3:sum=31+28+day;break;
??????? case 4:sum=31+28+31+day;break;
??????? case 5:sum=31+28+31+30+day;break;
??????? case 6:sum=31+28+31+30+31+day;break;
??????? case 7:sum=31+28+31+30+31+30+day;break;
??????? case 8:sum=31+28+31+30+31+30+31+day;break;
??????? case 9:sum=31+28+31+30+31+30+31+31+day;break;
??????? case 10:sum=31+28+31+30+31+30+31+31+30+day;break;
??????? case 11:sum=31+28+31+30+31+30+31+31+30+31+day;break;
??????? case 12:sum=31+28+31+30+31+30+31+31+30+31+30+day;break;
??? }
??? if(year%400==0||(year%4==0&&year%100==0))
???? m=1;
??? else
???? m=0;
???? if(m==1&&month>2)
???? sum++;
???? printf("%d年%d月%d日是該年的第%d天"，year,month,day,sum);
? return 0;
}
?