c语言万年历的源程序与报告-小豆芽.pdf

#include<stdio.h>

#include<stdlib.h>

#include <conio.h>

char*month_str[]={"January","February","March","April","May","June","J

uly","August","September","October","November","December"};

char*

week[]={"Sunday","Monday","Tuesday","Wednesday","Thursday","Friday",

"Saturday"};——————————定义数组（输出相应的月份，与星期）

int IsLeapYear(int year)——————判断是否闰年

int month_day(int year,int month)——————确定每个月天数

{

int mon_day[]={31,28,31,30,31,30,31,31,30,31,30,31};

if(IsLeapYear(year)&&month==2)————————闰年确定 2 月是 29 天

return 29;

else

return(mon_day[month-1]);————————————不是闰年则按数组输出

}

int DaySearch(int year,int month,int day)——————确定 XXXX 年 XX 月 XX 号是星期几

{

s=year-1+(float)(year-1)/4+(float)(year-1)/100+(float)(year-1)/400-40+c;----计算公

式

return ((int)s%7);————————返回值即为相应的星期！0 为 Sunday

}

int Print(int year,int month)————————打印出具体日历

{

int temp;

int i,j;