ch17-6.c

C语言程序设计上机指导与练习 冶金工业出版社 刘怀亮

#include <stdio.h>
main()
{
   int a;
   printf("please input a number\n");
   scanf("%d",&a);
   if (【 1 】)
   { 
   switch (a)
     { case 1: printf("Monday"); 【 2 】;
   	 case 2: printf("Tuesday");break;
   	 case 3: printf("Wednesday"); break;
   	 case 4: printf("Thursday"); break;
   	 【 3 】: printf("Friday");  break;
   	 case 6: printf("Saturday");break;
   	 case 7: printf("Sunday");  break;
  	 }
   }
   else 
      printf("input error");
}