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  1. //********************************************************
  2. //
  3. // Assignment 5 - Functions
  4. //
  5. // Name: Carlos Dominguez
  6. //
  7. // Class: C Programming, Spring 2026
  8. //
  9. // Date: 03/01/2026 
  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. void  printHeader (void);
  29. void  printEmp  (long int clockNumber, float wageRate, float hours,
  30.                  float overtimeHrs, float grossPay);
  31.  
  32. // --- Added helper prototypes ---
  33. float calcOvertime(float hours);
  34. float calcGrossPay(float wageRate, float hours);
  35.  
  36. int main(void)
  37. {
  38.     /* Variable Declarations */
  39.     long int clockNumber[SIZE] = {98401, 526488, 765349, 34645, 127615}; // ID
  40.     float grossPay[SIZE];     // gross pay
  41.     float hours[SIZE];        // hours worked in a given week
  42.     float overtimeHrs[SIZE];  // overtime hours
  43.     float wageRate[SIZE] = {10.60f, 9.75f, 10.50f, 12.25f, 8.35f}; // hourly wage rate
  44.     int i;                    // loop and array index
  45.  
  46.     // process each employee
  47.     for (i = 0; i < SIZE; ++i)
  48.     {
  49.         // Read in hours for employee
  50.         hours[i] = getHours(clockNumber[i]); 
  51.  
  52.         // Calculate overtime hours
  53.         overtimeHrs[i] = calcOvertime(hours[i]);
  54.  
  55.         // Calculate gross pay
  56.         grossPay[i] = calcGrossPay(wageRate[i], hours[i]);
  57.     }
  58.  
  59.     // print the header info
  60.     printHeader();
  61.  
  62.     // print out each employee
  63.     for (i = 0; i < SIZE; ++i)
  64.     {
  65.         // Print all the employees - call by value
  66.         printEmp(clockNumber[i], wageRate[i], hours[i],
  67.                  overtimeHrs[i], grossPay[i]);
  68.     }
  69.  
  70.     return 0;
  71. } // main
  72.  
  73. //**************************************************************
  74. // Function: getHours 
  75. // 
  76. // Purpose: Obtains input from user, the number of hours worked 
  77. // per employee and stores the result in a local variable 
  78. // that is passed back to the calling function. 
  79. // 
  80. // Parameters: clockNumber - The unique employee ID
  81. // 
  82. // Returns: hoursWorked - hours worked in a given week
  83. //  
  84. //**************************************************************
  85.  
  86. float getHours (long int clockNumber) 
  87. { 
  88.     float hoursWorked = 0.0f; // hours worked in a given week
  89.  
  90.     // Read in hours for employee
  91.     printf("\nEnter hours worked by employee # %06li: ", clockNumber); 
  92.     scanf("%f", &hoursWorked); 
  93.  
  94.     // return hours back to the calling function
  95.     return hoursWorked;
  96. } // getHours
  97.  
  98. //**************************************************************
  99. // Function: printHeader
  100. // 
  101. // Purpose: Prints the initial table header information.
  102. // 
  103. // Parameters: none
  104. // 
  105. // Returns: void
  106. //  
  107. //**************************************************************
  108.  
  109. void printHeader (void) 
  110. { 
  111.     printf("\n\n*** Pay Calculator ***\n");
  112.     printf("\nClock#   Wage    Hours    OT       Gross\n");
  113.     printf("-----------------------------------------------\n");
  114. } // printHeader
  115.  
  116. //************************************************************* 
  117. // Function: printEmp 
  118. // 
  119. // Purpose: Prints out all the information for an employee
  120. // in a nice and orderly table format.
  121. // 
  122. // Parameters: 
  123. //     clockNumber - unique employee ID
  124. //     wageRate    - hourly wage rate
  125. //     hours       - hours worked for the week
  126. //     overtimeHrs - overtime hours worked in a week
  127. //     grossPay    - gross pay for the week
  128. // 
  129. // Returns: void
  130. //  
  131. //**************************************************************
  132.  
  133. void printEmp (long int clockNumber, float wageRate, float hours,
  134.                float overtimeHrs, float grossPay)
  135. {
  136.     // Print one row with neat alignment:
  137.     // Clock# as 6 digits with leading zeros
  138.     // Wage shown with 2 decimals
  139.     // Hours and OT with 2 decimals
  140.     // Gross with 2 decimals
  141.     printf("%06li  %6.2f   %6.2f  %6.2f   %8.2f\n",
  142.            clockNumber, wageRate, hours, overtimeHrs, grossPay);
  143. } // printEmp
  144.  
  145. //**************************************************************
  146. // Function: calcOvertime
  147. // 
  148. // Purpose: Computes overtime hours (> 40 hours).
  149. // 
  150. // Parameters:
  151. //     hours - hours worked for the week
  152. // 
  153. // Returns: overtime hours (0 if hours <= 40)
  154. //  
  155. //**************************************************************
  156.  
  157. float calcOvertime(float hours)
  158. {
  159.     if (hours > STD_WORK_WEEK)
  160.         return hours - STD_WORK_WEEK;
  161.     else
  162.         return 0.0f;
  163. } // calcOvertime
  164.  
  165. //**************************************************************
  166. // Function: calcGrossPay
  167. // 
  168. // Purpose: Computes gross pay given wage rate and hours,
  169. // applying time-and-a-half for hours beyond 40.
  170. // 
  171. // Parameters:
  172. //     wageRate - hourly wage rate
  173. //     hours    - hours worked for the week
  174. // 
  175. // Returns: gross pay for the week
  176. //  
  177. //**************************************************************
  178.  
  179. float calcGrossPay(float wageRate, float hours)
  180. {
  181.     if (hours <= STD_WORK_WEEK)
  182.     {
  183.         return wageRate * hours;
  184.     }
  185.     else
  186.     {
  187.         float overtime = hours - STD_WORK_WEEK;
  188.         float regularPay = wageRate * STD_WORK_WEEK;
  189.         float overtimePay = wageRate * OVERTIME_RATE * overtime;
  190.         return regularPay + overtimePay;
  191.     }
  192. } // calcGrossPay
Success #stdin #stdout 0.01s 5292KB
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51.0
42.5
37.0
45.0
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stdout
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Enter hours worked by employee # 098401: 
Enter hours worked by employee # 526488: 
Enter hours worked by employee # 765349: 
Enter hours worked by employee # 034645: 
Enter hours worked by employee # 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/n0oKMs
language:
C++ (gcc 8.3)
created:
5 hours ago
visibility:
public

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