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  1. //********************************************************
  2. //
  3. // Assignment 5 - Functions
  4. //
  5. // Name: Kamil Kurpiewski
  6. //
  7. // Class: C Programming, Fall, 2025
  8. //
  9. // Date:// 10/10/2025
  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. void printHeader (void);
  29. void printEmp  (long int clockNumber, float wageRate, float hours,
  30.                 float overtimeHrs, float grossPay);
  31.  
  32. float calcOvertime(float hours);
  33. float calcGross(float wageRate, float hours, float overtimeHrs);
  34.  
  35. int main()
  36. {
  37.  
  38.     /* Variable Declarations */
  39.  
  40.     long  int clockNumber[SIZE] = {98401,526488,765349,34645,127615}; // ID
  41.     float grossPay[SIZE];     // gross pay
  42.     float hours[SIZE];        // hours worked in a given week
  43.     int   i;                  // loop and array index
  44.     float overtimeHrs[SIZE];  // overtime hours
  45.     float wageRate[SIZE] = {10.60,9.75,10.50,12.25,8.35}; // hourly wage rate
  46.  
  47.     // process each employee
  48.     for (i = 0; i < SIZE; ++i)
  49.     {
  50.  
  51.         // Read in hours for employee
  52.         hours[i] = getHours (clockNumber[i]); 
  53.  
  54.         // Function to calculate OT.
  55.         overtimeHrs[i] = calcOvertime(hours[i]);
  56.  
  57.         // Function to calculate gross pay.
  58.         grossPay[i] = calcGross(wageRate[i], hours[i], overtimeHrs[i]);
  59.  
  60.     }
  61.  
  62.     // print the header info
  63.     printHeader();
  64.  
  65.     // print out each employee
  66.     for (i = 0; i < SIZE; ++i)
  67.     {
  68.  
  69.         // Print all the employees - call by value
  70.         printEmp (clockNumber[i], wageRate[i], hours[i],
  71.                    overtimeHrs[i], grossPay[i]);
  72.  
  73.     } // for
  74.  
  75.     return (0);
  76.  
  77. } // main
  78.  
  79. //**************************************************************
  80. // Function: getHours 
  81. // 
  82. // Purpose: Obtains input from user, the number of hours worked 
  83. // per employee and stores the result in a local variable 
  84. // that is passed back to the calling function. 
  85. // 
  86. // Parameters: clockNumber - The unique employee ID
  87. // 
  88. // Returns: hoursWorked - hours worked in a given week
  89. //  
  90. //**************************************************************
  91.  
  92. float getHours (long int clockNumber) 
  93. { 
  94.  
  95.     float hoursWorked; // hours worked in a given week
  96.  
  97.     // Read in hours for employee
  98.     printf("\nEnter hours worked by emp # %06li: ", clockNumber); 
  99.     scanf ("%f", &hoursWorked); 
  100.  
  101.     // return hours back to the calling function
  102.     return (hoursWorked);
  103.  
  104. } // getHours
  105.  
  106. //**************************************************************
  107. // Function: printHeader
  108. // 
  109. // Purpose: Prints the initial table header information.
  110. // 
  111. // Parameters: none
  112. // 
  113. // Returns: void
  114. //  
  115. //**************************************************************
  116.  
  117. void printHeader (void) 
  118. { 
  119.  
  120.     printf ("\n\n*** Pay Calculator ***\n");
  121.  
  122.     // print the table header
  123.     printf("\nClock#      Wage        Hours        OT             Gross\n");
  124.     printf("-----------------------------------------------------------\n");
  125.  
  126. } // printHeader
  127.  
  128. //************************************************************* 
  129. // Function: printEmp 
  130. // 
  131. // Purpose: Prints out all the information for an employee
  132. // in a nice and orderly table format.
  133. // 
  134. // Parameters: 
  135. //
  136. //     clockNumber - unique employee ID
  137. //     wageRate - hourly wage rate
  138. //     hours - Hours worked for the week
  139. //     overtimeHrs - overtime hours worked in a week
  140. //     grossPay - gross pay for the week
  141. // 
  142. // Returns: void
  143. //  
  144. //**************************************************************
  145.  
  146. void printEmp (long int clockNumber, float wageRate, float hours,
  147.                 float overtimeHrs, float grossPay)
  148. {
  149.  
  150.     // print the employee
  151.  
  152.     printf("%06li      %6.2f      %6.2f      %5.2f      %8.2f\n",
  153.     	   clockNumber,   wageRate,   hours,   overtimeHrs,   grossPay);
  154. }
  155.  
  156.  
  157. //**************************************************************
  158. // Function: calcOvertime
  159. //
  160. // Purpose: Calculate overtime hours (hours over STD_WORK_WEEK)
  161. //
  162. // Parameters: hours - total hours worked
  163. //
  164. // Returns: overtime hours (0 if none)
  165. //**************************************************************
  166.  
  167. float calcOvertime(float hours)
  168. {
  169. 	if (hours > STD_WORK_WEEK)
  170. 	    return (hours - STD_WORK_WEEK);
  171. 	else
  172. 	    return 0.0f;
  173. }
  174.  
  175. //**************************************************************
  176. // Function: calcGross
  177. //
  178. // Purpose: Calculate gross pay including overtime pat at OVERTIME_RATE
  179. //
  180. // Parameters: wageRate - hourly wage
  181. //             hours - total hours worked 
  182. //             overtimeHrs - overtime hours
  183. //
  184. // Return: gross pay
  185. //**************************************************************
  186.  
  187. float calcGross(float wageRate, float hours, float overtimeHrs)
  188. {
  189. 	float regularHours = hours - overtimeHrs;
  190. 	return (regularHours * wageRate) + (overtimeHrs * wageRate * OVERTIME_RATE);
  191. }
  192.  
  193.  
Success #stdin #stdout 0.01s 5276KB
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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 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/XRGysT
language:
C (gcc 8.3)
created:
2 days ago
visibility:
public

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