/** 程序的版權和版本聲明部分
* Copyright (c)2013, 煙臺大學計算機學院學生
* All rightsreserved.
* 文件名稱: date.cpp
* 作 者: 耿娜
* 完成日期:2013 年3 月13 日
* 版本號: v1.0
* 輸入描述:年月日
* 問題描述:輸出對應的那一天是這一年的第幾天
* 輸出:第幾天
*/
#include <iostream>
using namespace std;
struct Date
{
int year;
int month;
int day;
};
int main()
{
Date date;
cout<<"input year,month,day:";
cin>>date.year>>date.month>>date.day;
int days;
switch(date.month)
{
case 1: days=date.day; break;
case 2: days=date.day+31; break;
case 3: days=date.day+59; break;
case 4: days=date.day+90; break;
case 5: days=date.day+120; break;
case 6: days=date.day+151; break;
case 7: days=date.day+181; break;
case 8: days=date.day+212; break;
case 9: days=date.day+243; break;
case 10: days=date.day+273; break;
case 11: days=date.day+304; break;
case 12: days=date.day+334; break;
}
if ((date.year %4== 0 && date.year % 100 != 0
||date.year % 400 == 0) && date.month >=3)
days+=1;
cout<<date.month<<"月"<<date.day<<"日是"<<date.year<<"年的第"<<days
<<"天."<<endl;
return 0;
}