题解 | #获得月份天数#

#include <stdio.h>

int main() 
{
    int year=0;
    int mouth=0;
    int day[]={0,31,28,31,30,31,30,31,31,30,31,30,31};//利用数组储存月份天数
    while(scanf("%d%d",&year,&mouth)!=EOF)
    {
        if(year%4==0 && year!=100 || year%400==0)//判断闰年
        {
           if(mouth==2)
           printf("%d\n",29);
           else
            {
               printf("%d\n",day[mouth]);
            }
        }
        else 
        {
          printf("%d\n",day[mouth]);
        }
       
    }
    return 0;
}