2回答

• 

  qq_寄曲束菀令_dpsJS0

  2018-10-09 13:25:03

  char 不是单个字符吗？    %f 不是单浮点标量吗,,,,
  

  0 0
• 

  qq_寄曲束菀令_dpsJS0

  2018-10-09 13:22:44

  #include<stdio.h>
  
   main()
  
   {
  
  int grade;
  
  printf("\ninput grade:");
  
  scanf("%d",&grade);
  
  grade=int(grade/10);
  
  switch(grade)
  
  {
  
  case 10:
  
  case 9:printf("\n A");break;
  
  case 8:printf("\n B");break;
  
  case 7:printf("\n C");break;
  
  case 6:printf("\n D");break;
  
  default:printf("\n E");break;
  
  }
  
   
  
  }

  
  

  
  

  0 0