#include <stdio.h>
int man()
{
??? int year=2008;
??? int month=8;
??? int day=8;
??? switch(month-1) /*8月本身不能算在其中，所以要減一，在switch中如果想算一共多少天就不能使用break跳出。*/
??? {
??????? case 11:day +=30;
??????? case 10:day +=31;
??????? case 9 :day +=30;
??????? case 8 :day +=31;
??????? case 7 :day +=30;
??????? case 6 :day +=31;
??????? case 5 :day +=30;
??????? case 4 :day +=31;
??????? case 3 :day +=30;
??????? case 2 :
??????????? if((year%100!=0 && year%4==0) || year%400==0)
???????????? {
??????????????? day +=29;
???????????? }
??????????? else
???????????? {
??????????????? day +=28;
???????????? }
??????? case 1:day +=31;
??????? break;
??? }
??? printf("是該年第幾天",day);
???
???????
??? }