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  1. #include <stdio.h>
  2. #include <ctype.h>
  3. char grade; 
  4.  
  5.  
  6. int main(void) 
  7. {
  8.  
  9. printf("Enter a letter grade: \n");
  10. scanf("%c", &grade);
  11. grade=toupper(grade);
  12.  
  13. switch (grade)
  14. 	{
  15. 	case 'A':
  16. 	printf("Aced it! \n");
  17. 	break;
  18.  
  19. 	case 'B':
  20. 	printf("good job! \n");
  21. 	break;
  22.  
  23. 	case 'C':
  24. 	printf("Not too bad \n");
  25. 	break;
  26.  
  27. 	case 'D':
  28. 	printf("Whew, narrowly made it! \n");
  29. 	break;
  30.  
  31. 	case 'F':
  32. 	printf("Sorry, try again! \n");
  33. 	break;
  34.  
  35. 	default:
  36. 	printf("Invalid input \n");
  37.  
  38. 	}
  39.  
  40. 	printf("The grade entered was %c. \n", grade);
  41.  
  42. 	return 0;
  43. }
Success #stdin #stdout 0s 2172KB
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stdin
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f
stdout
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Enter a letter grade: 
Sorry, try again! 
The grade entered was F.
https://ideone.com/Su4U6G
language:
C (gcc 8.3)
created:
7 years ago
visibility:
public

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