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  1. #include <stdio.h>
  2.  
  3. int main(void)
  4. {
  5.     char StudentName[100];
  6.     float ExamValue, Sum, Avg;
  7.     int students, exams;
  8.     char stop;
  9.  
  10.     for (;;)
  11.     {
  12.         Sum = 0.0;
  13.         printf("Enter Student Name \n");
  14.         scanf(" %s", StudentName);
  15.         for (exams = 0; exams < 3; exams++)
  16.         {
  17.             printf ("Enter exam grade: \n");
  18.             scanf("%f", &ExamValue);
  19.             Sum += ExamValue;
  20.         }
  21.         Avg = Sum / 3.0;
  22.         printf("Average for %s is %f\n", StudentName, Avg);
  23.  
  24.         puts("More students?(Y/N)");
  25.         scanf("%*[^yYnN]%c%*[^\n]%*c", &stop); // read one of 'y', 'Y', 'n', 'N', then discard that line, including '\n'.
  26.         if (stop == 'N' || stop == 'n')
  27.             break;
  28.     }
  29.     return 0;
  30. }
Success #stdin #stdout 0s 2172KB
comments (?)
stdin
copy 
Sam
80.0
78.0
79.0
y
Sally
56.0
70.0
67.0
y
John
100.0
99.0
98.0
y
Penelope
23.0
78.0
54.0
y
Peter
78.0
87.0
89.0
y
Lewis
90.0
19.0
100.0
y
Jen
96.0
94.0
92.0
n
stdout
copy 
Enter Student Name 
Enter exam grade: 
Enter exam grade: 
Enter exam grade: 
Average for Sam is 79.000000
More students?(Y/N)
Enter Student Name 
Enter exam grade: 
Enter exam grade: 
Enter exam grade: 
Average for Sally is 64.333336
More students?(Y/N)
Enter Student Name 
Enter exam grade: 
Enter exam grade: 
Enter exam grade: 
Average for John is 99.000000
More students?(Y/N)
Enter Student Name 
Enter exam grade: 
Enter exam grade: 
Enter exam grade: 
Average for Penelope is 51.666668
More students?(Y/N)
Enter Student Name 
Enter exam grade: 
Enter exam grade: 
Enter exam grade: 
Average for Peter is 84.666664
More students?(Y/N)
Enter Student Name 
Enter exam grade: 
Enter exam grade: 
Enter exam grade: 
Average for Lewis is 69.666664
More students?(Y/N)
Enter Student Name 
Enter exam grade: 
Enter exam grade: 
Enter exam grade: 
Average for Jen is 94.000000
More students?(Y/N)
https://ideone.com/9DrICJ
language:
C (gcc 8.3)
created:
7 years ago
visibility:
public

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