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  1. //********************************************************
  2. //
  3. // Assignment 5 - Functions
  4. //
  5. // Name: John Eneh
  6. //
  7. // Class: C Programming, Fall 2025
  8. //
  9. // Date: 10/11/2025
  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_HOURS 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. // Prototypes for the formulas I am adding
  33. float calcOT (float hours);                                         
  34. float calcGross (float wageRate, float hours, float overtimeHrs);
  35.  
  36. int main()
  37. {
  38.  
  39.     /* Variable Declarations */
  40.  
  41.     long  int clockNumber[SIZE] = {98401,526488,765349,34645,127615}; // ID
  42.     float grossPay[SIZE];     // gross pay
  43.     float hours[SIZE];        // hours worked in a given week
  44.     int   i;                  // loop and array index
  45.     float overtimeHrs[SIZE];  // overtime hours
  46.     float wageRate[SIZE] = {10.60,9.75,10.50,12.25,8.35}; // hourly wage rate
  47.  
  48.     // process each employee
  49.     for (i = 0; i < SIZE; ++i)
  50.     {
  51.  
  52.         // Read in hours for employee
  53.         hours[i] = getHours (clockNumber[i]); 
  54.  
  55. 		// calcOT for overtime
  56.         overtimeHrs[i] = calcOT (hours[i]);                               
  57.  
  58. 		// calcGross for gross pay
  59.         grossPay[i] = calcGross (wageRate[i], hours[i], overtimeHrs[i]);  
  60.  
  61.     }
  62.  
  63.     // print the header info
  64.     printHeader();
  65.  
  66.     // print out each employee
  67.     for (i = 0; i < SIZE; ++i)
  68.     {
  69.  
  70.         // Print all the employees - call by value
  71.         printEmp (clockNumber[i], wageRate[i], hours[i],
  72.                    overtimeHrs[i], grossPay[i]);
  73.  
  74.     } // for
  75.  
  76.     return (0);
  77.  
  78. } // main
  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. // Function: calcOT
  107. // 
  108. // Purpose: takes the value of hours and determines if they 
  109. // exceed the 40 hours of the stantdard work week
  110. // and then passes the overtime back to the calling function. 
  111. // 
  112. // Parameters: 
  113. //	hours - Hours worked for the week
  114. //	STD_HOURS - 40 hours in the work week 
  115. // 
  116. // Returns: 
  117. //  overtime hours - the calculated hours beyond 40. Returns
  118. //  0 if hours do not exceed 40.
  119. //  
  120. //**************************************************************
  121.  
  122. float calcOT (float hours) 
  123. {	
  124. 	if (hours > STD_HOURS)
  125. 	{
  126. 		return (hours - STD_HOURS);
  127. 	}
  128. 	else
  129. 	{
  130. 		return (0);
  131. 	}
  132.  
  133. } // calcOT
  134. //**************************************************************
  135. // Function: calcGross
  136. // 
  137. // Purpose: calculates the gross pay using the employees'
  138. // wageRate, hours worked, and OT hours if any are available.
  139. // Passes the calculated the amount to main. 
  140. // 
  141. // Parameters: 
  142. //	wageRate - Employees' payrate
  143. //  hours - Hours worked for the week
  144. //	STD_HOURS - 40 hours in the work week 
  145. //  overtimeHrs - Hours worked beyond 40 hours
  146. // 
  147. // Returns: gross pay - normal pay + available OT pay
  148. //  
  149. //**************************************************************
  150.  
  151. float calcGross (float wageRate, float hours, float overtimeHrs) 
  152. {	
  153. 	if (hours > STD_HOURS)
  154. 	{
  155. 		return ((STD_HOURS * wageRate) + (overtimeHrs * wageRate * OVERTIME_RATE));
  156. 	}
  157. 	else
  158. 	{
  159. 		return (wageRate * hours);
  160. 	}
  161. } // calcGross
  162. //**************************************************************
  163. // Function: printHeader
  164. // 
  165. // Purpose: Prints the initial table header information.
  166. // 
  167. // Parameters: none
  168. // 
  169. // Returns: void
  170. //  
  171. //**************************************************************
  172.  
  173. void printHeader (void) 
  174. { 
  175.  
  176.     printf ("\n\n*** Pay Calculator ***\n");
  177.  
  178.     // print the table header
  179.     printf("\nClock# Wage  Hours  OT      Gross\n");
  180.     printf("------------------------------------------------\n");
  181.  
  182. } // printHeader
  183.  
  184. //************************************************************* 
  185. // Function: printEmp 
  186. // 
  187. // Purpose: Prints out all the information for an employee
  188. // in a nice and orderly table format.
  189. // 
  190. // Parameters: 
  191. //
  192. //     clockNumber - unique employee ID
  193. //     wageRate - hourly wage rate
  194. //     hours - Hours worked for the week
  195. //     overtimeHrs - overtime hours worked in a week
  196. //     grossPay - gross pay for the week
  197. // 
  198. // Returns: void
  199. //  
  200. //**************************************************************
  201.  
  202. void printEmp (long int clockNumber, float wageRate, float hours,
  203.                 float overtimeHrs, float grossPay)
  204. {
  205.  
  206.     // print the employee
  207.  
  208. 	// Reusing pintout from previous assignments
  209.     printf("%06d %5.2f %5.1f %5.1f %8.2f\n", 
  210.                 clockNumber, wageRate, hours, overtimeHrs, grossPay); 
  211. }
Success #stdin #stdout 0.01s 5324KB
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stdin
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51.0
42.5
37.0
45.0
0.0
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  51.0  11.0   598.90
526488  9.75  42.5   2.5   426.56
765349 10.50  37.0   0.0   388.50
034645 12.25  45.0   5.0   581.88
127615  8.35   0.0   0.0     0.00
https://ideone.com/XRpXw1
Homework: 5
language:
C (gcc 8.3)
created:
22 hours ago
visibility:
public

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