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  1. #include <stdio.h>
  2. #include <stdlib.h>   /* for malloc */
  3. #include <ctype.h>
  4.  
  5. struct employee
  6.      {
  7.      int id_number;
  8.      float wage;
  9.  
  10.      /* TODO - Add other members */
  11.  
  12.      struct employee *next;
  13.      };
  14.  
  15.  
  16.  
  17. /* TODO - Add Function Prototypes as needed */
  18.  
  19. /* TODO - Add Functions here as needed */
  20.  
  21. /* Optional - Add Challenge Functions here as needed */
  22.  
  23. /*-----------------------------------------------------------------------------*/
  24. /*                                                                             */
  25. /* FUNCTION:  print_list                                                       */
  26. /*                                                                             */
  27. /* DESCRIPTION:  This function will print the contents of a linked             */
  28. /*               list.  It will traverse the list from beginning to the        */
  29. /*               end, printing the contents at each node.                      */
  30. /*                                                                             */
  31. /* PARAMETERS:   emp1 - pointer to a linked list                               */
  32. /*                                                                             */
  33. /* OUTPUTS:      None                                                          */
  34. /*                                                                             */
  35. /* CALLS:        None                                                          */
  36. /*                                                                             */
  37. /*-----------------------------------------------------------------------------*/
  38. void print_list(struct employee *emp1)
  39. {
  40.         struct employee *tmp;   /* tmp pointer value to current node */
  41.         int i = 0;              /* counts the nodes printed          */
  42.  
  43.         /* Start a beginning of list and print out each value               */
  44.         /* loop until tmp points to null (remember null is 0 or false)      */
  45.         for(tmp = emp1; tmp ; tmp = tmp->next)
  46.         {
  47.             i++;
  48.  
  49.             /* TODO - print other members as well */
  50.             printf("\nEmployee ID: %6d, Wage: %8.2f\n",tmp->id_number,
  51.                                                       tmp->wage);
  52.         }
  53.  
  54.         printf("\n\nTotal Number of Employees = %d\n", i);
  55.  
  56. }
  57.  
  58. /*----------------------------------------------------------------------------*/
  59. /*                                                                            */
  60. /* FUNCTION:  main                                                            */
  61. /*                                                                            */
  62. /* DESCRIPTION:  This function will prompt the user for an employee           */
  63. /*               id and wage until the user indicates they are finished.      */
  64. /*               At that point, a list of id and wages will be                */
  65. /*               generated.                                                   */
  66. /*                                                                            */
  67. /* PARAMETERS:   None                                                         */
  68. /*                                                                            */
  69. /* OUTPUTS:      None                                                         */
  70. /*                                                                            */
  71. /* CALLS:        print_list                                                   */
  72. /*                                                                            */
  73. /*----------------------------------------------------------------------------*/
  74. int main ()
  75. {
  76.  
  77.     char   answer[80];       /* to see if the user wants to add more employees */
  78.     int    more_data = 1;    /* flag to check if another employee is to be processed */
  79.     char   value;            /* gets the first character of answer */
  80.  
  81.     struct employee *current_ptr,   /* pointer to current node */
  82.                     *head_ptr;      /* always points to first node */
  83.  
  84.    /* Set up storage for first node */
  85.     head_ptr = (struct employee *) malloc (sizeof(struct employee));
  86.     current_ptr = head_ptr;
  87.  
  88.     while (more_data)
  89.     {
  90.  
  91.  
  92.         /* TODO - Prompt for Employee Name and Hours as well here */
  93.  
  94.        /* Read in Employee ID and Hourly Wage */
  95.         printf("\nEnter employee ID: ");
  96.         scanf("%i", & current_ptr -> id_number);
  97.  
  98.         printf("\nEnter employee hourly wage: ");
  99.         scanf("%f", & current_ptr -> wage);
  100.  
  101.         /* TODO - Call Function(s) to calculate Overtime and Gross */
  102.  
  103.         printf("Would you like to add another employee? (y/n): ");
  104.         scanf("%s", answer);
  105.  
  106.         /* Ask user if they want to add another employee */
  107.         if ((value = toupper(answer[0])) != 'Y')
  108.         {
  109.            current_ptr->next = (struct employee *) NULL;
  110.            more_data = 0; 
  111.         }
  112.         else
  113.         {
  114.            /* set the next pointer of the current node to point to the new node */
  115.            current_ptr->next = (struct employee *) malloc (sizeof(struct employee));
  116.           /* move the current node pointer to the new node */
  117.            current_ptr = current_ptr->next;
  118.          }
  119.     } /* while */
  120.  
  121.     /* Optional - Call Challenge Functions to determine totals, min, max, and averages */
  122.  
  123.     /* print out listing of all employee id's and wages that were entered */
  124.     print_list(head_ptr);
  125.  
  126.     printf("\n\nEnd of program\n");
  127.     return (0);
  128. }
Success #stdin #stdout 0s 3276KB
comments (?)
stdin
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Standard input is empty
stdout
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Enter employee ID: 
Enter employee hourly wage: Would you like to add another employee? (y/n): 
Employee ID:      0, Wage:     0.00


Total Number of Employees = 1


End of program
https://ideone.com/UJcIrz
language:
C++14 (gcc 8.3)
created:
9 years ago
visibility:
public

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