struct Book 
{
	char name[20];
	short price;
};
int main() {
	struct Book b1 = { "C语言程序设计",55 };
	struct Book* pb = &b1;
	printf("%s\n", b1.name);
	printf("%d\n", b1.price);
	printf("%s\n",(*pb).name);   //结构体变量.成员
	printf("%d\n",(*pb).price);
	printf("%s\n",pb->name);//->  结构体指针->成员
	printf("%d\n", pb->price);

int main()
{
	int day = 0;
	scanf("%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;
	case 6:
		printf("星期六\n");
		break;
	case 7:
		printf("星期日\n");
		break;
   default://当所有case不匹配时，可用dafault提示，位置在哪都可以
		printf("输入错误");
	}
	return 0;
}


int main()
{
	int day = 0;
	scanf("%d", &day);
	switch (day)
	{
	case 1:
	case 2:
	case 3:
	case 4:
	case 5:
		printf("工作日\n");
		break;
	case 6:
	case 7:
		printf("休息日\n");
		break;
	default:
		printf("输入错误");
	}
	return 0;
}