#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 sum;
??? switch(month)
??? {??
??????? case 1:sum=day;break;
??????? case 2:sum=day+31;break;
??????? case 3:sum=day+60;break;
??????? case 4:sum=day+91;break;
??????? case 5:sum=day+121;break;
??????? case 6:sum=day+152;break;
??????? case 7:sum=day+182;break;
??????? case 8:sum=day+213;break;
??????? case 9:sum=day+244;break;
??????? case 10:sum=day+274;break;
??????? case 11:sum=day+305;break;
??????? case 12:sum=day+335;break;
??????? default:printf("一年只有12個(gè)月");break;
??? }
??? if((year%4==0&&year%100!=0)||year%400==0)
??????? {sum=sum;}
??? else
??????? {sum=sum-1;}
??? printf("%d年%d月%d日是該年中的第%d天\n",year,month,day,sum);
??? return 0;
}