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  1. //********************************************************
  2. //
  3. // Assignment 5 - Functions
  4. //
  5. // Name: Marin Haxhiaj
  6. //
  7. // Class: C Programming, Spring 2025
  8. //
  9. // Date: 03/03/2025
  10. //
  11. // Description: Program which determines overtime and 
  12. // gross pay for a set of employees with outputs sent 
  13. // to standard output (the screen).
  14. //
  15. // All functions are called by value
  16. //
  17. //********************************************************
  18.  
  19. #include <stdio.h>
  20.  
  21. // constants
  22. #define SIZE 5
  23. #define OVERTIME_RATE 1.5f
  24. #define STD_WORK_WEEK 40.0f
  25.  
  26. // function prototypes
  27. float getHours(long int clockNumber);
  28. float calculateOvertime(float hours);
  29. float calculateGrossPay(float wageRate, float hours, float overtimeHrs);
  30. void printHeader(void);
  31. void printEmp(long int clockNumber, float wageRate, float hours,
  32.               float overtimeHrs, float grossPay);
  33.  
  34. int main()
  35. {
  36.     /* Variable Declarations */
  37.     long int clockNumber[SIZE] = {98401, 526488, 765349, 34645, 127615}; // ID
  38.     float grossPay[SIZE];     // gross pay
  39.     float hours[SIZE];        // hours worked in a given week
  40.     int i;                    // loop and array index
  41.     float overtimeHrs[SIZE];  // overtime hours
  42.     float wageRate[SIZE] = {10.60, 9.75, 10.50, 12.25, 8.35}; // hourly wage rate
  43.  
  44.     // process each employee
  45.     for (i = 0; i < SIZE; ++i)
  46.     {
  47.         // Read in hours for employee
  48.         hours[i] = getHours(clockNumber[i]);
  49.  
  50.         // Calculate overtime hours
  51.         overtimeHrs[i] = calculateOvertime(hours[i]);
  52.  
  53.         // Calculate gross pay
  54.         grossPay[i] = calculateGrossPay(wageRate[i], hours[i], overtimeHrs[i]);
  55.     }
  56.  
  57.     // print the header info
  58.     printHeader();
  59.  
  60.     // print out each employee
  61.     for (i = 0; i < SIZE; ++i)
  62.     {
  63.         // Print all the employees - call by value
  64.         printEmp(clockNumber[i], wageRate[i], hours[i],
  65.                  overtimeHrs[i], grossPay[i]);
  66.     }
  67.  
  68.     return 0;
  69. }
  70.  
  71. //**************************************************************
  72. // Function: getHours 
  73. // 
  74. // Purpose: Obtains input from user, the number of hours worked 
  75. // per employee and stores the result in a local variable 
  76. // that is passed back to the calling function. 
  77. // 
  78. // Parameters: clockNumber - The unique employee ID
  79. // 
  80. // Returns: hoursWorked - hours worked in a given week
  81. //  
  82. //**************************************************************
  83. float getHours(long int clockNumber)
  84. {
  85.     float hoursWorked; // hours worked in a given week
  86.  
  87.     // Read in hours for employee
  88.     printf("\nEnter hours worked by emp # %06li: ", clockNumber);
  89.     scanf("%f", &hoursWorked);
  90.  
  91.     // return hours back to the calling function
  92.     return hoursWorked;
  93. }
  94.  
  95. //**************************************************************
  96. // Function: calculateOvertime
  97. // 
  98. // Purpose: Calculates the overtime hours worked by an employee.
  99. // 
  100. // Parameters: hours - Total hours worked in a week
  101. // 
  102. // Returns: overtimeHrs - Overtime hours worked
  103. //  
  104. //**************************************************************
  105. float calculateOvertime(float hours)
  106. {
  107.     float overtimeHrs = 0.0f;
  108.  
  109.     // Calculate overtime hours if hours worked exceed the standard work week
  110.     if (hours > STD_WORK_WEEK)
  111.     {
  112.         overtimeHrs = hours - STD_WORK_WEEK;
  113.     }
  114.  
  115.     return overtimeHrs;
  116. }
  117.  
  118. //**************************************************************
  119. // Function: calculateGrossPay
  120. // 
  121. // Purpose: Calculates the gross pay for an employee, including
  122. // overtime pay if applicable.
  123. // 
  124. // Parameters: 
  125. //     wageRate - Hourly wage rate
  126. //     hours - Total hours worked in a week
  127. //     overtimeHrs - Overtime hours worked
  128. // 
  129. // Returns: grossPay - Gross pay for the week
  130. //  
  131. //**************************************************************
  132. float calculateGrossPay(float wageRate, float hours, float overtimeHrs)
  133. {
  134.     float grossPay;
  135.  
  136.     // Calculate gross pay with overtime if applicable
  137.     if (overtimeHrs > 0)
  138.     {
  139.         grossPay = (STD_WORK_WEEK * wageRate) + (overtimeHrs * wageRate * OVERTIME_RATE);
  140.     }
  141.     else
  142.     {
  143.         grossPay = hours * wageRate;
  144.     }
  145.  
  146.     return grossPay;
  147. }
  148.  
  149. //**************************************************************
  150. // Function: printHeader
  151. // 
  152. // Purpose: Prints the initial table header information.
  153. // 
  154. // Parameters: none
  155. // 
  156. // Returns: void
  157. //  
  158. //**************************************************************
  159. void printHeader(void)
  160. {
  161.     printf("\n\n*** Pay Calculator ***\n");
  162.  
  163.     // print the table header
  164.     printf("\nClock# Wage  Hours  OT      Gross\n");
  165.     printf("------------------------------------------------\n");
  166. }
  167.  
  168. //************************************************************* 
  169. // Function: printEmp 
  170. // 
  171. // Purpose: Prints out all the information for an employee
  172. // in a nice and orderly table format.
  173. // 
  174. // Parameters: 
  175. //     clockNumber - unique employee ID
  176. //     wageRate - hourly wage rate
  177. //     hours - Hours worked for the week
  178. //     overtimeHrs - overtime hours worked in a week
  179. //     grossPay - gross pay for the week
  180. // 
  181. // Returns: void
  182. //  
  183. //**************************************************************
  184. void printEmp(long int clockNumber, float wageRate, float hours,
  185.               float overtimeHrs, float grossPay)
  186. {
  187.     // print the employee details
  188.     printf("%06li %5.2f %6.2f %6.2f %8.2f\n",
  189.            clockNumber, wageRate, hours, overtimeHrs, grossPay);
  190. }
Success #stdin #stdout 0s 5244KB
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51.0
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stdout
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Enter hours worked by emp # 098401: 
Enter hours worked by emp # 526488: 
Enter hours worked by emp # 765349: 
Enter hours worked by emp # 034645: 
Enter hours worked by emp # 127615: 

*** Pay Calculator ***

Clock# Wage  Hours  OT      Gross
------------------------------------------------
098401 10.60  51.00  11.00   598.90
526488  9.75  42.50   2.50   426.56
765349 10.50  37.00   0.00   388.50
034645 12.25  45.00   5.00   581.88
127615  8.35   0.00   0.00     0.00
https://ideone.com/SPeYjR
language:
C (gcc 8.3)
created:
6 days ago
visibility:
public

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