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  1. #include <stdio.h>
  2. char calcLetterGrade (int num_grade);
  3.  
  4. int main(void) {
  5. 	char retValue=calcLetterGrade(2);
  6.     printf("The grade is: %c\n", retValue);
  7. 	return 0;
  8. }
  9.  
  10. char calcLetterGrade (int num_grade)
  11. {
  12.    char letterGrade;
  13.  
  14.     if ( num_grade >= 90 && num_grade <= 100 ){
  15.         letterGrade='A';
  16.     }
  17.     else if ( num_grade >= 80 && num_grade <= 89 ){
  18.         letterGrade='B';
  19.     }
  20.     else if ( num_grade >= 70 && num_grade <= 79 ){
  21.         letterGrade='C';
  22.     }
  23.     else if ( num_grade >= 60 && num_grade <= 69 ){
  24.         letterGrade='D';
  25.     }
  26.     else if ( num_grade >= 0 && num_grade <= 59 ){
  27.         letterGrade='F';
  28.     }
  29.     else if ( num_grade > 100 || num_grade < 0 ){
  30.         letterGrade='I';
  31.     }
  32.     return letterGrade;
  33.  
  34. }
Success #stdin #stdout 0.01s 5292KB
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stdin
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Standard input is empty
stdout
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The grade is: F
https://ideone.com/M3E3YJ
language:
C (gcc 8.3)
created:
12 days ago
visibility:
public

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