C语言之选择分支结构的应用

#include <stdio.h>
void main ()
{
   int weekday;
   printf("今天的食谱
 请输入星期几
");
   scanf("%d",&weekday);
   switch (weekday)
   {
        case 1:printf("星期一:青菜
");
			break;
		case 2:printf("星期二:鸡
");
			break;
		case 3:
			printf("星期三:鱼
");
			break;
		case 4:
			printf("星期四:肉
");
			break;
		case 5:printf("星期五:鸡蛋
");
             break;
		case 6:
			printf("星期六:海鲜
");
			break;
		case 7:
			printf("星期日:豆制品
");
			break;
		default:
			printf("输入有误
");
			break;
   }
   

}