文章标题

来源：互联网发布：网络摄像头光纤安装法编辑：程序博客网时间：2024/06/07 14:46

#include <stdio.h>#include <stdlib.h>int main(){    int year,month;    printf("Enter year month  ");    scanf("%d%d",&year,&month);    if(year%4==0&&year%100!=0||year%400==0)    {        switch(month)    {          case 1:printf("31\n");break;          case 2:printf("29\n");break;          case 3:printf("31\n");break;          case 4:printf("30\n");break;          case 5:printf("31\n");break;          case 6:printf("30\n");break;          case 7:printf("31\n");break;          case 8:printf("31\n");break;          case 9:printf("30\n");break;          case 10:printf("31\n");break;          case 11:printf("30\n");break;          case 12:printf("31\n");break;    }    }     else    {       switch(month)    {       case 1:printf("31\n");break;       case 2:printf("28\n");break;       case 3:printf("31\n");break;       case 4:printf("30\n");break;       case 5:printf("31\n");break;       case 6:printf("30\n");break;       case 7:printf("31\n");break;       case 8:printf("31\n");break;       case 9:printf("30\n");break;       case 10:printf("31\n");break;       case 11:printf("30\n");break;       case 12:printf("31\n");break;       default:printf("Input error!\n");    }    }    return 0;}

这里写图片描述

知识点：switch用法，嵌套语句
心得：学会switch语句

阅读全文

0 0