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  1. #include <stdio.h>
  2.  
  3. // constants
  4. #define SIZE 5
  5. #define OVERTIME_RATE 1.5f
  6. #define STD_WORK_WEEK 40.0f
  7.  
  8. // function prototypes
  9. float getHours (long int clockNumber);
  10. void printHeader (void);
  11. void printEmp  (long int clockNumber, float wageRate, float hours,
  12.                 float overtimeHrs, float grossPay);
  13.  
  14. // Other required function prototypes
  15. float calculateOvertime (float hours);
  16. float calculateGrossPay (float wageRate, float hours, float overtimeHrs);
  17.  
  18. int main()
  19. {
  20.     /* Variable Declarations */
  21.     long  int clockNumber[SIZE] = {98401, 526488, 765349, 34645, 127615}; // ID
  22.     float grossPay[SIZE];     // gross pay
  23.     float hours[SIZE];        // hours worked in a given week
  24.     int   i;                  // loop and array index
  25.     float overtimeHrs[SIZE];  // overtime hours
  26.     float wageRate[SIZE] = {10.60, 9.75, 10.50, 12.25, 8.35}; // hourly wage rate
  27.  
  28.     // process each employee
  29.     for (i = 0; i < SIZE; ++i)
  30.     {
  31.         // Read in hours for employee
  32.         hours[i] = getHours (clockNumber[i]); 
  33.  
  34.         // Function call to calculate overtime hours
  35.         overtimeHrs[i] = calculateOvertime (hours[i]);
  36.  
  37.         // Function call to calculate gross pay
  38.         grossPay[i] = calculateGrossPay (wageRate[i], hours[i], overtimeHrs[i]);
  39.     }
  40.  
  41.     // print the header info
  42.     printHeader();
  43.  
  44.     // print out each employee
  45.     for (i = 0; i < SIZE; ++i)
  46.     {
  47.         // Print all the employees - call by value
  48.         printEmp (clockNumber[i], wageRate[i], hours[i],
  49.                    overtimeHrs[i], grossPay[i]);
  50.     } 
  51.  
  52.     return (0);
  53. } 
  54.  
  55. //**************************************************************
  56. // Function: getHours 
  57. // Purpose: Obtains input from user for hours worked per employee
  58. //**************************************************************
  59. float getHours (long int clockNumber) 
  60. {
  61.     float hoursWorked;
  62.     printf("Enter hours worked for clock #%ld: ", clockNumber);
  63.     scanf("%f", &hoursWorked);
  64.     return hoursWorked;
  65. }
  66.  
  67. //**************************************************************
  68. // Function: calculateOvertime
  69. // Purpose: Computes the number of hours worked past 40
  70. //**************************************************************
  71. float calculateOvertime (float hours) 
  72. {
  73.     if (hours > STD_WORK_WEEK) 
  74.     {
  75.         return hours - STD_WORK_WEEK;
  76.     }
  77.     return 0.0f;
  78. }
  79.  
  80. //**************************************************************
  81. // Function: calculateGrossPay
  82. // Purpose: Calculates regular pay and adds 1.5x overtime pay
  83. //**************************************************************
  84. float calculateGrossPay (float wageRate, float hours, float overtimeHrs) 
  85. {
  86.     float regularHours = hours - overtimeHrs;
  87.     float regularPay = regularHours * wageRate;
  88.     float overtimePay = overtimeHrs * (wageRate * OVERTIME_RATE);
  89.  
  90.     return regularPay + overtimePay;
  91. }
  92.  
  93. //**************************************************************
  94. // Function: printHeader
  95. // Purpose: Prints the table column headers
  96. //**************************************************************
  97. void printHeader (void)
  98. {
  99.     printf("\n--------------------------------------------------------------\n");
  100.     printf("%-10s %-10s %-10s %-12s %-10s\n", 
  101.            "Clock #", "Wage Rate", "Hours", "OT Hours", "Gross Pay");
  102.     printf("--------------------------------------------------------------\n");
  103. }
  104.  
  105. //**************************************************************
  106. // Function: printEmp
  107. // Purpose: Prints aligned fields for a single employee record
  108. //**************************************************************
  109. void printEmp (long int clockNumber, float wageRate, float hours,
  110.                 float overtimeHrs, float grossPay)
  111. {
  112.     printf("%-10ld $%-9.2f %-10.1f %-12.1f $%-9.2f\n", 
  113.            clockNumber, wageRate, hours, overtimeHrs, grossPay);
  114. }
  115.  
Success #stdin #stdout 0.01s 5288KB
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stdin
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51.0
42.5
37.0
45.0
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stdout
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Enter hours worked for clock #98401: Enter hours worked for clock #526488: Enter hours worked for clock #765349: Enter hours worked for clock #34645: Enter hours worked for clock #127615: 
--------------------------------------------------------------
Clock #    Wage Rate  Hours      OT Hours     Gross Pay 
--------------------------------------------------------------
98401      $10.60     51.0       11.0         $598.90   
526488     $9.75      42.5       2.5          $426.56   
765349     $10.50     37.0       0.0          $388.50   
34645      $12.25     45.0       5.0          $581.88   
127615     $8.35      0.0        0.0          $0.00
https://ideone.com/kR7vzO
language:
C (gcc 8.3)
created:
1 day ago
visibility:
public

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