#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(cè)任務(wù)中的“不會了怎么辦”
???? * 小編還是希望大家獨立完成哦~
???? */
??? int sum = 0;
?? ?
??? month = month-1;
??? switch(month)
??? {
??? case 12:
??????? sum += 31;
??? case 11:
??????? sum += 30;
??? case 10:
??????? sum += 31;
??? case 9:
??????? sum += 30;
??? case 8:
??????? sum += 31;
??? case 7:
??????? sum += 31;
??? case 6:
??????? sum += 30;
??? case 5:
??????? sum += 31;
??? case 4:
??????? sum += 30;
??? case 3:
??????? sum += 31;
??? case 2:
??????? if(year%4 == 0 && year%100 != 0 || year%400 == 0)
??????? {
??????????? sum += 29;
??????? }
??????? else
??????? {
??????????? sum += 28;
??????? }
??? case 1:
??????? sum += 31;
??????? break;
??? }
?? ?
??? sum = sum+day;
??? printf("2008年8月8日是該年的第%d天",sum);
?? ?
?? ?return 0;
}