#include <stdio.h>
int main()
{
??? /* 定義需要計算的日期 */
??? int year = 2008;
??? int month = 8;
??? int day = 8;
??? int i,j;
??? if((year%100 != 0 && year%4 == 0)||year%400 == 0)
??? {
??????? i = 28;
??? }
??? else
??? {
??????? i = 27;
??? }
??? switch(month)
??? {
??????? case 1:j = day; break;
??????? case 2:j = 31 + day; break;
??????? case 3:j = 31 + i + day; break;
??????? case 4:j = 31 + i + 31 + day; break;
??????? case 5:j = 31 + i + 31 + 30 + day; break;
??????? case 6:j = 31 + i + 31 + 30 + 31 + day; break;
??????? case 7:j = 31 + i + 31 + 30 + 31 + 30 + day; break;
??????? case 8:j = 31 + i + 31 + 30 + 31 + 30 + 31 + day; break;
??????? case 9:j = 31 + i + 31 + 30 + 31 + 30 + 31 + 31 + day; break;
??????? case 10:j =31 + i + 31 + 30 + 31 + 30 + 31 + 31 + 30 + day; break;
??????? case 11:j =31 + i + 31 + 30 + 31 + 30 + 31 + 31 + 30 + 31 + day; break;
??????? case 12:j =31 + i + 31 + 30 + 31 + 30 + 31 + 31 + 30 + 31 + 30 + day; break;
??? }
??? printf("%d年%d月%d日是該年中的第%d天"), year, month, day, j);
??? /*
???? * 請使用switch語句，if...else語句完成本題
???? * 如有想看小編思路的，可以點擊左側任務中的“不會了怎么辦”
???? * 小編還是希望大家獨立完成哦~
???? */
?return 0;
}