6

Read in a note and convert it in a letter

The switch instruction  |  Enumerations

note.c
  1. #include <stdlib.h>
  2. #include <stdio.h>
  3.  
  4. main() {
  5.     int note;
  6.  
  7.     printf("Enter your note [0-100]: ");
  8.     if( scanf("%d", &note) != 1 )
  9.         exit(1);
  10.     if( note > 100 || note < 0 ) {
  11.         printf("Try again!\n");
  12.         exit(1);
  13.     }
  14.     switch( note / 10 ) {
  15.         case 0:
  16.             note = 'F';
  17.             break;
  18.         case 10:
  19.         case 9:
  20.             note = 'A';
  21.             break;
  22.         case 8:
  23.             note = 'B';
  24.             break;
  25.         case 7:
  26.             note = 'C';
  27.             break;
  28.         case 6:
  29.             note = 'D';
  30.             break;
  31.         default:
  32.             note = 'E';
  33.             break;
  34.     }
  35.     printf("You get a %c!\n", note);
  36.  
  37.     exit( 0 );
  38. }
$ gcc -o note note.c
$ ./note
Enter your note [0-100]: 85
You get a B!
$ ./note
Enter your note [0-100]: 200
Try again!

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