万年历，可查询相应年份

#include "system.h"

#include <stdio.h>

#include "stdio.h"

int w(int year)

{

return (365*(year-1)+((year-1)/4-(year-1)/100+(year-1)/400)) 7

}

int date[12][6][7]

int day_tbl[ ][12]={{31,28,31,30,31,30,31,31,30,31,30,31},

　　　　 {31,29,31,30,31,30,31,31,30,31,30,31}}

char title[]=" 日 一 二 三 四 五 六"

int main()

-Calendar, you can query the corresponding Year# include " system.h" # include <stdio.h># Include " stdio.h"　int w (int year) {return (365* (year-1)+ ((year-1)/4- (year-1)/100+ (year-1)/400))　7 } int date [12] [6] [7]　int day_tbl [] [12] = {{31,28,31,30,31,30,31,31,30,31,30,31}, {31,29,31,30,31,30,31,31,30,31,30,31}}　char title [] = " Day one hundred twenty-three thousand four hundred fifty-six"　 int main (). . . .