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  1. //C code
  2. #include <stdio.h>
  3. using namespace std;
  4.  
  5. int main() {
  6.     //Declare variables
  7.     char StudentName[100];
  8.     float Avg,TotalClasses;
  9.     int Students, TotalStudents, Sum, Classes, A, B, C, D, F;
  10.     char c;
  11.     A=4;
  12.     B=3;
  13.     C=2;
  14.     D=1;
  15.     F=0;
  16.  
  17.     //This is where the problem begins.
  18.     //I want to allow the user to input the number of students
  19.     //being graded. "Enter the number of students being graded"
  20.     //comes up fine.
  21.     printf ("Enter the number of students being graded.");
  22.     scanf ("%i", &TotalStudents);
  23.  
  24.     //First loop
  25.     for (Students = 0; Students<TotalStudents; Students++){
  26.         Avg =0.0;
  27.         printf ("Enter Student Name \n");
  28.         scanf ("%s", StudentName);
  29.         printf ("Enter Number of Classes \n");
  30.         scanf ("%f", &TotalClasses);
  31.         for (Classes = 0; Classes < TotalClasses; Classes++){
  32.  
  33.             printf ("Enter Letter Grade for Class \n");
  34.             //The second problem starts here. I am trying to find a way to
  35.             //allow the user to input the letter grade and add all the grades
  36.             //together. After that I want it to find the average for that
  37.             //student before moving on to the next student.
  38.             //I know my code is completely wrong but I don't know how to correct
  39.             //it based off of the examples I have seen
  40.  scanf (" %c", &c);
  41.        switch(c)
  42.      {
  43.          case 'A': Sum+=A;
  44. 						break;
  45. 		case 'B': Sum+=B;
  46. 						break;
  47. 	case 'C': Sum+=C;
  48. 						break;
  49. 	case 'D': Sum+=D;
  50. 						break;
  51. 	case 'F': Sum+=F;
  52. 						break;
  53.     }
  54.  
  55.         }
  56.     Avg = Sum/TotalClasses;
  57.     printf ("%s's average is %f \n", StudentName, Avg);
  58.     }
  59.  
  60.     return 0;
  61. }
Success #stdin #stdout 0s 3144KB
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stdin
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1
Bill
1
A
stdout
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Enter the number of students being graded.Enter Student Name 
Enter Number of Classes 
Enter Letter Grade for Class 
Bill's average is 4.000000
https://ideone.com/ur3M2v
language:
C++ (gcc 8.3)
created:
10 years ago
visibility:
public

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