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  1. #include<stdio.h>
  2. #define STUDENTS 5
  3.  
  4. typedef struct{
  5.     int id;
  6.     int english;
  7.     int class;
  8. }Student;
  9.  
  10. void classify( Student *data );
  11.  
  12. int main(void)
  13. {
  14.     Student data[] = { { 1, 60 },
  15.                        { 2, 80 },
  16.                        { 3, 90 },
  17.                        { 4, 70 },
  18.                        { 5, 50 }
  19.                      };
  20.  
  21.     classify( data );
  22.  
  23.     for(int i=0; i<STUDENTS; i++){
  24.         printf("id : %d, Class : %c\n", data[i].id, data[i].class );
  25.     }
  26.  
  27.     return 0;
  28. }
  29.  
  30. void classify( Student *data )
  31. {
  32.     for(int i=0; i<STUDENTS; i++){
  33.         if(data[i].english >= 80 ){
  34.             data[i].class = 'A';
  35.         }
  36.         else if(data[i].english >= 70 ){
  37.             data[i].class = 'B';
  38.         }
  39.         else if(data[i].english >= 60 ){
  40.             data[i].class = 'C';
  41.         }
  42.         else{
  43.             data[i].class = 'D';
  44.         }
  45.     }
  46. }
Success #stdin #stdout 0s 5320KB
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stdin
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Standard input is empty
stdout
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id : 1, Class : C
id : 2, Class : A
id : 3, Class : A
id : 4, Class : B
id : 5, Class : D
https://ideone.com/9Queqv
language:
C (gcc 8.3)
created:
7 hours ago
visibility:
public

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