#include "stdafx.h" #include <stdio.h> #include <string.h> #include <math.h> #include<stdlib.h> #include <dos.h> #include <conio.h> typedef struct _Month_Times { int days; }Month_Times; Month_Times mount_times[] = { {31}, {28}, {31}, {30}, {31}, {30}, {31}, {31}, {30}, {31}, {30}, {31}, }; int main() { int cur_month = 2; printf(" month days is %d ",mount_times[cur_month-1].days); getchar(); return 0; }