简单代码

第一类型
int main()

{
int day = 0;
scanf_s("%d", &day);
switch (day)
{
case 1:
printf("星期一\n");
break;
case 2:
printf("星期二\n");
break;
case 3:
printf("星期三\n");
break;
case 4:
printf("星期四\n");
break;
case 5:
printf("星期五\n");
break;
}
第二类型
switch (day)
{
case 1:
case 2:
case 3:
case 4:
case 5:
printf("weekdays\n");
break;
case 6:
case 7:
printf("weekends\n");
break;
}

简单代码

原文：https://blog.51cto.com/14947463/2542824