#include <stdio.h>
int main()
{
??? /* 定義需要計(jì)算的日期 */
??? int year = 2008;
??? int month = 8;
??? int day = 8;
??? int num;
??? /*
???? * 請(qǐng)使用swtich語句，if...else語句完成本題
???? * 如有想看小編思路的，可以點(diǎn)擊左側(cè)任務(wù)中的“不會(huì)了怎么辦”
???? * 小編還是希望大家獨(dú)立完成哦~
???? */
??? if (year % 4 == 0)
??????? switch(month)
??????? {
??????????? case 1:
??????????? num=day;
??????????? break;
??????????? case 2:
??????????? num=31 + day;
??????????? break;
??????????? case 3:
??????????? num=31 + 29 + day;
??????????? break;
??????????? case 4:
??????????? num=31 + 29 + 31 + day;
??????????? break;
??????????? case 5:
??????????? num=31 + 29 + 31 + 30 + day;
??????????? break;
??????????? case 6:
??????????? num=31 + 29 + 31 + 30 + 31 + day;
??????????? break;
??????????? case 7:
??????????? num=31 + 29 + 31 + 30 + 31 + 30 + day;
??????????? break;
??????????? case 8:
??????????? num=31 + 29 + 31 + 30 + 31 + 30 + 31 + day;
??????????? break;
??????????? case 9:
??????????? num=31 + 29 + 31 + 30 + 31 + 30 + 31 + 31 + day;
??????????? break;
??????????? case 10:
??????????? num=31 + 29 + 31 + 30 + 31 + 30 + 31 + 31 + 30 + day;
??????????? break;
??????????? case 11:
??????????? num=31 + 29 + 31 + 30 + 31 + 30 + 31 + 31 + 30 + 31 + day;
??????????? break;
??????????? case 12:
??????????? num=31 + 29 + 31 + 30 + 31 + 30 + 31 + 31 + 30 + 31 + 30 + day;
??????????? break;
??????? }
??? else
??? switch(month)
??????? {
??????????? case 1:
??????????? num=day;
??????????? break;
??????????? case 2:
??????????? num=31 + day;
??????????? break;
??????????? case 3:
??????????? num=31 + 28 + day;
??????????? break;
??????????? case 4:
??????????? num=31 + 28 + 31 + day;
??????????? break;
??????????? case 5:
??????????? num=31 + 28 + 31 + 30 + day;
??????????? break;
??????????? case 6:
??????????? num=31 + 28 + 31 + 30 + 31 + day;
??????????? break;
??????????? case 7:
??????????? num=31 + 28 + 31 + 30 + 31 + 30 + day;
??????????? break;
??????????? case 8:
??????????? num=31 + 28 + 31 + 30 + 31 + 30 + 31 + day;
??????????? break;
??????????? case 9:
??????????? num=31 + 28 + 31 + 30 + 31 + 30 + 31 + 31 + day;
??????????? break;
??????????? case 10:
??????????? num=31 + 28 + 31 + 30 + 31 + 30 + 31 + 31 + 30 + day;
??????????? break;
??????????? case 11:
??????????? num=31 + 28 + 31 + 30 + 31 + 30 + 31 + 31 + 30 + 31 + day;
??????????? break;
??????????? case 12:
??????????? num=31 + 28 + 31 + 30 + 31 + 30 + 31 + 31 + 30 + 31 + 30 + day;
??????????? break;
??????? }
???????? printf("%d年%d月%d日是該年的第%d天",year,month,day,num);
??? ?return 0;
}

?return 0;
}

腦洞大開的時(shí)候到了，要練習(xí)才會(huì)進(jìn)步