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  1. #include <stdio.h>
  2. char calcLetterGrade (int num_grade);
  3.  
  4. int main(void) {
  5. 	calcLetterGrade(90);
  6. 	return 0;
  7. }
  8.  
  9. char calcLetterGrade (int num_grade)
  10. {
  11.    char letterGrade;
  12.  
  13.     if ( num_grade >= 90 && num_grade <= 100 ){
  14.         letterGrade="A";
  15.     }
  16.     else if ( num_grade >= 80 && num_grade <= 89 ){
  17.         letterGrade="B";
  18.     }
  19.     else if ( num_grade >= 70 && num_grade <= 79 ){
  20.         letterGrade="C";
  21.     }
  22.     else if ( num_grade >= 60 && num_grade <= 69 ){
  23.         letterGrade="D";
  24.     }
  25.     else if ( num_grade >= 0 && num_grade <= 59 ){
  26.         letterGrade="F";
  27.     }
  28.     else if ( num_grade > 100 && num_grade < 0 ){
  29.         letterGrade="I";
  30.     }
  31.     return letterGrade;
  32.  
  33. }
Success #stdin #stdout 0.01s 5288KB
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https://ideone.com/eLsd3X
language:
C (gcc 8.3)
created:
12 days ago
visibility:
public

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