C Program - Cafeteria Rating

Submitted by davidwachira on Tuesday, August 6, 2013 - 19:58.
Language
C/C++
Fourty students were asked to rate the quality of food in the student cafeteria on a scale of 1 to 10(1 means awful and 10 means excellent) Place the 40 responses in an integer array and summarise and display the results of the poll
  1. #include<stdio.h>         /* Standard C Library*/
  2. #define students 40        /* Constant students*/
  3. #define max_rating 10     /* Constant max_rating*/
  4.  
  5. int cafeteria_rating_array[students][1];   /* Declaration of 2D-Array */
  6. int students_counter, total_rating;        /* Declaration of 2 variables called students_counter and total_rating*/
  7. int frequency_array[max_rating][2];        /* Declaration of 2D-Array*/
  8. int frequency_counter, frequency_count;    /* Declaration of 2 variables called frequency_counter and frequency_count*/
  9. int i,j;                                   /* Declaration of 2 variables to be used in as part of the counter*/
  10.  
  11.  
  12. int main(void)/* The main method*/
  13. {
  14.     printf("/**************************************************************************\n *                   Mureithi David Wachira                               *\n *                   P15/2204/2011                                        *\n *                                                                        *\n *                   University of Nairobi                                *\n *                   School of Computing & Informatics                    *\n *                                                                        *\n *                   Date: Thursday 28th February 2013                    *\n *                                                                        *\n *                   Fourty students were asked to rate the quality       *\n *                   of food in the student cafeteria on a scale          *\n *                   of 1 to 10(1 means awful and 10 means excellent)     *\n *                   Place the 40 responses in an integer array and       *\n *                   summarise and display  the results of the poll       *\n *                                                                        *\n *************************************************************************/\n");
  15.     printf("Please rate the quality of food in the cafeteria on a scale of 1 to 10;\n1 meaning awful and 10 meaning excellent:\n\n");
  16.  
  17.     for(students_counter=0;students_counter<students;students_counter++)  /* Loop to ensure that the input is within range*/
  18.     {
  19.         do
  20.         {   printf("Student no. %d :\t", students_counter+1);
  21.             scanf("%d", &cafeteria_rating_array[students_counter][1]);
  22.             if(cafeteria_rating_array[students_counter][1] < 1 || cafeteria_rating_array[students_counter][1] > max_rating ){printf("Please enter an valid. The range is between 1 and 10\n");}
  23.         }
  24.         while (cafeteria_rating_array[students_counter][1] < 1 || cafeteria_rating_array[students_counter][1] > max_rating );
  25.             total_rating+=cafeteria_rating_array[students_counter][1];
  26.     }
  27.  
  28.  
  29.         printf( "\n\n"); /* Skip 2 lines*/
  30.  
  31.         for (students_counter=0;students_counter<students;students_counter++) /* Output of the data already in the cafeteria_rating_array*/
  32.         { printf( "Student no. %d rated the cafeteria food %d/10\n", students_counter+1, cafeteria_rating_array[students_counter][ 1 ] );
  33.         }
  34.  
  35.         for (frequency_counter=0;frequency_counter<max_rating;frequency_counter++)
  36.         {   frequency_array[frequency_counter][0]=frequency_counter+1;
  37.             frequency_count=0;
  38.  
  39.             for (students_counter=0;students_counter<students;students_counter++)
  40.             {
  41.                  if (cafeteria_rating_array[students_counter][ 1 ]==frequency_counter+1)
  42.                 {
  43.                  frequency_count=frequency_count+1;
  44.                 }
  45.             }
  46.             frequency_array[frequency_counter][1]=frequency_count;
  47.  
  48.         }
  49.  
  50.  
  51.  
  52.  
  53.         printf( "\nThe rating average is %.1f/10\n", (double)total_rating/students); /* Getting the average rating and its display*/
  54.  
  55.         printf("\nThe poll results are:\n");/* Output on the screen for poll results*/
  56.  
  57.         for ( i = 0; i <max_rating; i++ )   /* Output of poll results*/
  58.             {   for ( j = 0; j < 2; j++ )
  59.                 {printf("%5d\t", frequency_array[i][j]);}
  60.                  printf("\n");
  61.  
  62.             }
  63.  
  64.  
  65.  
  66. return 0;/* An indication that the program has run successfully */
  67. }
  68. <c>

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Tags
survey
poll rating
cafeteria rating
survey rating in C

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