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  1. //********************************************************
  2. //
  3. // Assignment 6 - Structures
  4. //
  5. // Name: Po Yuen
  6. //
  7. // Class: C Programming, Spring 2026
  8. //
  9. // Date: March 7, 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. // Call by reference design
  16. //
  17. //********************************************************
  18.  
  19. // Define and Includes
  20.  
  21. #include <stdio.h>
  22.  
  23. // Define Constants
  24. #define SIZE 5
  25. #define STD_HOURS 40.0
  26. #define OT_RATE 1.5
  27.  
  28. // Define a global structure to pass employee data between functions
  29. // Note that the structure type is global, but you don't want a variable
  30. // of that type to be global. Best to declare a variable of that type
  31. // in a function like main or another function and pass as needed.
  32.  
  33. struct employee
  34. {
  35.     long clockNumber;
  36.     float wageRate;
  37.     float hours;
  38.     float overtimeHrs;
  39.     float grossPay;
  40. };
  41.  
  42. // define prototypes here for each function except main
  43.  
  44. void getHours (struct employee employeeData[], int theSize );
  45. void printHeader (void);
  46. void printEmp (struct employee emp [ ], int theSize);
  47.  
  48. // TODO: add your function prototypes here
  49. void calcOvertime(struct employee employeeData[], int theSize);
  50. void calcGross(struct employee employeeData[], int theSize);
  51.  
  52. int main ()
  53. {
  54.     // Set up a local variable and initialize the clock and wages of my employees
  55.     struct employee employeeData [SIZE] = {
  56.         { 98401, 10.60 },
  57.         { 526488, 9.75 },
  58.         { 765349, 10.50 },
  59.         { 34645, 12.25 },
  60.         { 127615, 8.35 }
  61.     };
  62.  
  63.     // Call function needed to read hours
  64.     getHours (employeeData, SIZE);
  65.  
  66.     // TODO: Call functions calculate ot hours and gross pay
  67. 	calcOvertime(employeeData, SIZE);
  68.     calcGross(employeeData, SIZE);
  69.  
  70.     // TODO: Call function to print the table column headers
  71. 	printHeader();
  72.  
  73.     // Function call to output results to the screen in table format
  74.     printEmp (employeeData, SIZE);
  75.  
  76.     return(0); // success
  77.  
  78. } // main
  79.  
  80. //**************************************************************
  81. // Function: getHours 
  82. // 
  83. // Purpose: Obtains input from user, the number of hours worked 
  84. // per employee and stores the result in an array of structures
  85. // that is passed back to the calling function by reference. 
  86. // 
  87. // Parameters:
  88. // 
  89. //     employeeData - an array of structures containing Employees
  90. //     theSize - number of employees to process
  91. //
  92. // Returns: Nothing (void)
  93. //  
  94. //**************************************************************
  95.  
  96. void getHours (struct employee employeeData[], int theSize ) 
  97. {
  98.  
  99.     int i; // loop and array index
  100.  
  101.     // read hours in for each employee
  102.     for (i = 0; i < theSize ; ++i)
  103.     {
  104.         printf("\nEnter hours worked by emp # %06li: ",
  105.                 employeeData[i].clockNumber);
  106.         scanf ("%f", &employeeData[i].hours);
  107.     } // for
  108.  
  109. } // getHours
  110.  
  111. //**************************************************************
  112. // Function: printHeader
  113. // 
  114. // Purpose: Prints the initial table header information.
  115. // 
  116. // Parameters: none
  117. // 
  118. // Returns: void
  119. //  
  120. //**************************************************************
  121.  
  122. void printHeader (void) 
  123. { 
  124.  
  125.     printf ("\n\n*** Pay Calculator ***\n");
  126.  
  127.     // print the table header
  128.     printf("\nClock# Wage  Hours  OT      Gross\n");
  129.     printf("------------------------------------------------\n");
  130.  
  131. } // printHeader
  132.  
  133. // ********************************************************************
  134. // Function: printEmp
  135. //
  136. // Purpose: Outputs to screen in a table format the following
  137. // information about an employee: Clock, Wage,
  138. // Hours, Overtime Hours, and Gross Pay.
  139. //
  140. // Parameters:
  141. //
  142. //     employeeData - an array of structures containing Employees
  143. //     theSize - number of employees to process
  144. //
  145. // Returns: Nothing (void)
  146. //
  147. // *********************************************************************
  148.  
  149. void printEmp ( struct employee employeeData[], int theSize )
  150. {
  151.     int i; // loop and array index
  152.  
  153.     // print information about each employee
  154.     for (i = 0; i < theSize ; ++i)
  155.     {
  156.         printf("\n %06li %5.2f %4.1f %4.1f %8.2f",
  157.         employeeData[i].clockNumber, employeeData[i].wageRate, employeeData[i].hours,
  158.         employeeData[i].overtimeHrs, employeeData[i].grossPay);
  159.     } /* for */
  160.  
  161. } // printEmp
  162.  
  163. // TODO: add your functions here
  164.  
  165. //**************************************************************
  166. // Function: calcOvertime
  167. //
  168. // Purpose: Calculates the overtime hours worked for each employee.
  169. // Overtime is defined as any hours worked beyond the standard
  170. // 40 hour work week.
  171. //
  172. // Parameters:
  173. //	
  174. // employeeData - array of employee structures containing
  175. //                employee information including hours worked.
  176. // theSize - integer value representing the number of employees
  177. //           in the array.
  178. //
  179. // Returns:
  180. // Nothing (void). The calculated overtime hours are stored in
  181. // the overtimeHrs member of each employee structure.
  182. //**************************************************************
  183.  
  184. void calcOvertime(struct employee employeeData[], int theSize)
  185. {
  186.     int i;
  187.  
  188.     for(i = 0; i < theSize; i++)
  189.     {
  190.         if(employeeData[i].hours > STD_HOURS)
  191.         {
  192.             employeeData[i].overtimeHrs =
  193.                 employeeData[i].hours - STD_HOURS;
  194.         }
  195.         else
  196.         {
  197.             employeeData[i].overtimeHrs = 0.0;
  198.         }
  199.     } // for
  200. } // calcOvertime
  201.  
  202. //**************************************************************
  203. // Function: calcGross
  204. //
  205. // Purpose:
  206. // Calculates the gross pay for each employee based on their
  207. // wage rate, hours worked, and overtime hours. Overtime pay
  208. // is calculated using the overtime rate multiplier.
  209. //
  210. // Parameters:
  211. // 
  212. // employeeData - array of employee structures containing
  213. //                employee information including wage rate,
  214. //                hours worked, and overtime hours.
  215. // theSize - integer value representing the number of employees
  216. //           in the array.
  217. //
  218. // Returns:
  219. // Nothing (void). The calculated gross pay is stored in the
  220. // grossPay member of each employee structure.
  221. //**************************************************************
  222.  
  223. void calcGross(struct employee employeeData[], int theSize)
  224. {
  225.     int i;
  226.     float normalPay, overtimePay;
  227.  
  228.     for(i = 0; i < theSize; i++)
  229.     {
  230.         if(employeeData[i].hours > STD_HOURS)
  231.         {
  232.             normalPay = STD_HOURS * employeeData[i].wageRate;
  233.             overtimePay = employeeData[i].overtimeHrs *
  234.                           employeeData[i].wageRate * OT_RATE;
  235.         }
  236.         else
  237.         {
  238.             normalPay = employeeData[i].hours * employeeData[i].wageRate;
  239.             overtimePay = 0.0;
  240.         }
  241.  
  242.         employeeData[i].grossPay = normalPay + overtimePay;
  243.     } // for
  244. } // calcGross
Success #stdin #stdout 0s 5320KB
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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/ukE7pw
language:
C (gcc 8.3)
created:
2 hours ago
visibility:
public

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