博主github:https://github.com/MichaelBeechan
博主优快云:https://blog.youkuaiyun.com/u011344545
#include<stdio.h>
intmonthday[13]={0,31,28,31,30,31,30,31,31,30,31,30,31};
charmonthname[13][6]={"","JAN","FEB","MAR","APR","MAY","JUNE","JULY","AUG","SEP","OCT","NOV","DEC"};
charweekday[7][6]={"SUN","MON","TUE","WED","THU","FRI","STA"};
int month_odd[6][7],month_even[6][7];
int leapyear(int year)
{
if((year%4==0)&&(year%100!=0)||(year%400==0))