#include <stdio.h>

int main()?

{?

? ? /* 定義需要計算的日期 */

? ? int year = 2008;

? ? int month = 8;

? ? int day =8;

? ? int d=day;

? ? int February ;

? ? if (year%4==0)

? ? {

? ? ? ? February=29;

? ? }

? ? else February=28;

? ? switch (month)

? ? {

? ? case 1:day;break;

? ? case 2:day+=31;break;

? ? case 3:day+=31+February+30;break;

? ? case 4:day+=31*2+February;break;

? ? case 5:day+=31*3+February;break;

? ? case 6:day+=31*3+February+30;break;

? ? case 7:day+=31*3+February+30*2;break;

? ? case 8:day+=31*4+February+30*2;break;

? ? case 9:day+=31*5+February+30*2;break;

? ? case 10:day+=31*5+February+30*3;break;

? ? case 11:day+=31*6+February+30*3;break;

? ? default:day+=31*6+February+30*4;break;

? ? }

? ? printf("%d年%d月%d日是該年中的第%d天。",year,month,d,day);

? ? return 0;