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  1. //********************************************************
  2. //
  3. // Assignment 6 - Structures
  4. //
  5. // Name: James Park
  6. //
  7. // Class: C Programming, Fall Semester, 2026
  8. //
  9. // Date: 18 Oct 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 Value 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 int 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. float getHours (long int clockNumber);
  44. void printHeader (void);
  45. void printEmp (long int clockNumber, float wageRate, float hours,
  46.                float overtimeHrs, float grossPay);
  47.  
  48. // float calcOvertime (float hours);
  49. float calcGross (float wageRate, float hours, float overtimeHrs);
  50. float calcOvertime (float hours);
  51. float calcGross (float wageRate, float hours, float overtimeHrs);
  52.  
  53. int main ()
  54. {
  55.     // Set up a local variable to store the employee information
  56.     struct employee employeeData[SIZE] = {
  57.         { 98401, 10.60 },
  58.         { 526488, 9.75 },
  59.         { 765349, 10.50 }, // initialize clock and wage values
  60.         { 34645, 12.25 },
  61.         { 127615, 8.35 }
  62.     };
  63.  
  64.     int i;  // loop and array index
  65.  
  66.     // Call functions as needed to read and calculate information
  67.     for (i = 0; i < SIZE; ++i) 
  68.     { 
  69.  
  70.        // Prompt for the number of hours worked by the employee
  71.        employeeData[i].hours = getHours (employeeData[i].clockNumber); 
  72.  
  73.        // Calculate overtime hours
  74. 	      employeeData[i].overtimeHrs = calcOvertime (employeeData[i].hours);
  75.     } // for Calculate gross pay
  76. 		  employeeData[i].grossPay = calcGross (employeeData[i].wageRate, employeeData[i].hours, 
  77. 	      employeeData[i].overtimeHrs);
  78.  
  79.     // Print the column headers
  80.     printHeader();
  81.  
  82.     // print out each employee
  83.     for (i = 0; i < SIZE; ++i) 
  84.     { 
  85.         printEmp (employeeData[i].clockNumber, 
  86.                   employeeData[i].wageRate, 
  87.                   employeeData[i].hours,
  88.                   employeeData[i].overtimeHrs, 
  89.                   employeeData[i].grossPay);
  90.     }
  91.  
  92.     return(0); // success
  93.  
  94. } // main
  95.  
  96. //**************************************************************
  97. // Function: getHours 
  98. // 
  99. // Purpose: Obtains input from user, the number of hours worked 
  100. // per employee and stores the result in a local variable 
  101. // that is passed back to the calling function. 
  102. // 
  103. // Parameters: clockNumber - The unique employee ID
  104. // 
  105. // Returns: hoursWorked - hours worked in a given week
  106. //  
  107. //**************************************************************
  108.  
  109. float getHours (long int clockNumber) 
  110. { 
  111.  
  112.     float hoursWorked; // hours worked in a given week
  113.  
  114.     // Read in hours for employee
  115.     printf("\nEnter hours worked by emp # %06li: ", clockNumber); 
  116.     scanf ("%f", &hoursWorked); 
  117.  
  118.     // return hours back to the calling function
  119.     if (scanf ("%f", &hoursWorked) != 1) 
  120. {
  121.     hoursWorked = 0.0;
  122. }
  123. } // getHours
  124.  
  125. //**************************************************************
  126. // Function: printHeader
  127. // 
  128. // Purpose: Prints the initial table header information.
  129. // 
  130. // Parameters: none
  131. // 
  132. // Returns: void
  133. //  
  134. //**************************************************************
  135.  
  136. void printHeader (void) 
  137. { 
  138.  
  139.     printf ("\n\n*** Pay Calculator ***\n");
  140.  
  141.     // print the table header
  142.     printf("\nClock# Wage  Hours  OT      Gross\n");
  143.     printf("------------------------------------------------\n");
  144.  
  145. } // printHeader
  146.  
  147.  
  148. //************************************************************* 
  149. // Function: printEmp 
  150. // 
  151. // Purpose: Prints out all the information for an employee
  152. // in a nice and orderly table format.
  153. // 
  154. // Parameters: 
  155. //
  156. //     clockNumber - unique employee ID
  157. //     wageRate - hourly wage rate
  158. //     hours - Hours worked for the week
  159. //     overtimeHrs - overtime hours worked in a week
  160. //     grossPay - gross pay for the week
  161. // 
  162. // Returns: void
  163. //  
  164. //**************************************************************
  165.  
  166. void printEmp (long int clockNumber, float wageRate, float hours,
  167.                 float overtimeHrs, float grossPay)
  168. {
  169.  
  170.     // Print out a single employee
  171.     printf("\n %06li %5.2f %4.1f %4.1f %8.2f",
  172.           clockNumber, wageRate, hours,
  173.           overtimeHrs, grossPay);
  174.  
  175. }  // printEmp
  176.  
  177. // //**************************************************************
  178. // Function: calcOvertime 
  179. // 
  180. // Purpose: Calculates overtime hours worked (any hours over 40)
  181. // 
  182. // Parameters: hours - total hours worked
  183. // 
  184. // Returns: overtime hours worked
  185. //*****************************************************************
  186. float calcOvertime (float hours)
  187. {
  188.     if (hours > STD_HOURS)
  189.     {
  190.         return (hours - STD_HOURS);
  191.     }
  192.     return 0.0;
  193. }
  194.  
  195. //**************************************************************
  196. // Function: calcGross 
  197. // 
  198. // Purpose: Calculates gross pay, incorporating standard pay
  199. //          and overtime pay rates if applicable.
  200. // 
  201. // Parameters: wageRate - hourly rate of pay
  202. //             hours - total hours worked
  203. //             overtimeHrs - calculated overtime hours
  204. // 
  205. // Returns: total gross pay earned
  206. //**************************************************************
  207. float calcGross (float wageRate, float hours, float overtimeHrs)
  208. {
  209.     if (overtimeHrs > 0.0)
  210.     {
  211.         float standardPay = STD_HOURS * wageRate;
  212.         float overtimePay = overtimeHrs * (wageRate * OT_RATE);
  213.         return (standardPay + overtimePay);
  214.     }
  215.  
  216.     return (hours * wageRate);
  217. }
Success #stdin #stdout 0s 5328KB
comments (?)
stdin 
51.0
42.5
37.0
45.0
0.0
stdout 
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 42.5  2.5     0.00
 526488  9.75 45.0  5.0     0.00
 765349 10.50 -5486443233280.0  0.0     0.00
 034645 12.25 -5486443233280.0  0.0     0.00
 127615  8.35 -5486443233280.0  0.0     0.00
https://ideone.com/PQ70cy
language:
C (gcc 8.3)
created:
7 days ago
visibility:
public

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