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  1. #include <stdio.h>
  2.  
  3. int main(void) {
  4. /* variable definition: */
  5. char StudentName[100];
  6. float ExamValue, Sum, Avg;
  7. int students,exams;
  8. // Loop through 5 Students
  9. // reset Sum to 0
  10. Sum =0.0;
  11. for (students=0; students <5; students++)
  12. {
  13. printf("Enter Student Name \n");
  14. scanf("%s", StudentName);
  15. // Nested Loop for Exams
  16. for (exams=0; exams < 3; exams++)
  17. {
  18. printf ("Enter exam grade: \n");
  19. scanf("%f", &ExamValue);
  20. Sum += ExamValue;
  21. }
  22. Avg = Sum/3.0;
  23. printf( "Average for %s is %f\n",StudentName,Avg);
  24. }
  25. return 0;
  26. }
  27.  
Success #stdin #stdout 0s 2172KB
stdin
John:
 90.0 
80.0 
100.0
Jim: 
80.0 
70.0
 90.0
Joe: 
70.0 
100.0 
100.0
Sally: 
100.0
 95.0
 91.0
Sam: 
30.0 
54.0 
68.0 
stdout
Enter Student Name 
Enter exam grade: 
Enter exam grade: 
Enter exam grade: 
Average for John: is 90.000000
Enter Student Name 
Enter exam grade: 
Enter exam grade: 
Enter exam grade: 
Average for Jim: is 170.000000
Enter Student Name 
Enter exam grade: 
Enter exam grade: 
Enter exam grade: 
Average for Joe: is 260.000000
Enter Student Name 
Enter exam grade: 
Enter exam grade: 
Enter exam grade: 
Average for Sally: is 355.333344
Enter Student Name 
Enter exam grade: 
Enter exam grade: 
Enter exam grade: 
Average for Sam: is 406.000000