#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swtich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)任務中的“不會了怎么辦”
?????*?小編還是希望大家獨立完成哦~
?????*/
????int?date?=?0;
????/*
????**故意漏掉了break語句，我早就想嘗試這么做！
????**這樣date值就是從選擇的月份前一個月的天數(shù)一直加到一月份
????*/
????switch?(month)
????{
????????case?12:????date?+=?30;//實際這里顯示的是11月份的天數(shù)
????????case?11:????date?+=?31;//10月
????????case?10:????date?+=?30;
????????case?9:????date?+=?31;
????????case?8:????date?+=?31;
????????case?7:????date?+=?30;
????????case?6:????date?+=?31;
????????case?5:????date?+=?30;
????????case?4:????date?+=?31;
????????/*
????????**二月情況復雜，需討論閏年情況故用上了if...else...分支結(jié)構(gòu)
????????*/
????????case?3:????if(year%400?!=?0?&&?year%4?==?0){
????????????????????????date?+=?29;
????????????????????}else{
????????????????????????date?+=?28;}
????????case?2:????date?+=?31;//這是1月份
????????default:????date?+=?8,printf("2008年8月8日是該年的第%d天",date);break;
????}
	return?0;
}