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  1. //********************************************************
  2. //
  3. // Assignment 5 - Functions
  4. //
  5. // Name: Po Yuen
  6. //
  7. // Class: C Programming, Spring 2026
  8. //
  9. // Date: March 1, 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. // TODO:  Add other function prototypes here as needed
  33. float calcOT (float hoursWorked);
  34. float calcGross (float wageRate, float hoursWorked, 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.         // TODO: Function call to calculate overtime hours
  56. 		overtimeHrs[i] = calcOT(hours[i]);
  57.  
  58.         // TODO: Function call to calculate 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. //**************************************************************
  81. // Function: getHours 
  82. // 
  83. // Purpose: Obtains input from user, the number of hours worked 
  84. // per employee and stores the result in a local variable 
  85. // that is passed back to the calling function. 
  86. // 
  87. // Parameters: clockNumber - The unique employee ID
  88. // 
  89. // Returns: hoursWorked - hours worked in a given week
  90. //  
  91. //**************************************************************
  92.  
  93. float getHours (long int clockNumber) 
  94. { 
  95.  
  96.     float hoursWorked; // hours worked in a given week
  97.  
  98.     // Read in hours for employee
  99.     printf("\nEnter hours worked by emp # %06li: ", clockNumber); 
  100.     scanf ("%f", &hoursWorked); 
  101.  
  102.     // return hours back to the calling function
  103.     return (hoursWorked);
  104.  
  105. } // getHours
  106.  
  107. //**************************************************************
  108. // Function: printHeader
  109. // 
  110. // Purpose: Prints the initial table header information.
  111. // 
  112. // Parameters: none
  113. // 
  114. // Returns: void
  115. //  
  116. //**************************************************************
  117.  
  118. void printHeader (void) 
  119. { 
  120.  
  121.     printf ("\n\n*** Pay Calculator ***\n");
  122.  
  123.     // print the table header
  124.     printf("\n%6s  %6s   %5s   %5s   %8s\n",
  125.            "Clock#", "Wage", "Hours", "OT", "Gross");
  126.     printf("------------------------------------------------\n");
  127.  
  128. } // printHeader
  129.  
  130. //************************************************************* 
  131. // Function: printEmp 
  132. // 
  133. // Purpose: Prints out all the information for an employee
  134. // in a nice and orderly table format.
  135. // 
  136. // Parameters: 
  137. //
  138. //     clockNumber - unique employee ID
  139. //     wageRate - hourly wage rate
  140. //     hours - Hours worked for the week
  141. //     overtimeHrs - overtime hours worked in a week
  142. //     grossPay - gross pay for the week
  143. // 
  144. // Returns: void
  145. //  
  146. //**************************************************************
  147.  
  148. void printEmp (long int clockNumber, float wageRate, float hours,
  149.                 float overtimeHrs, float grossPay)
  150. {
  151.  
  152.     // print the employee
  153.  
  154.     // TODO: add code to print out a single employee
  155.     printf("%06li  %6.2f   %5.1f   %5.1f   %8.2f\n",
  156.            clockNumber, wageRate, hours, overtimeHrs, grossPay);
  157. }
  158.  
  159.  
  160. // TODO: Add other functions here as needed
  161. //**************************************************************
  162. // Function: calcOT
  163. //
  164. // Purpose: Calculates overtime hours over 40.
  165. //
  166. // Parameters: hoursWorked - total weekly hours
  167. //
  168. // Returns: overtimeHours - overtime amount
  169. //**************************************************************
  170. float calcOT (float hoursWorked)
  171. {
  172.     float overtimeHours;
  173.  
  174.     if (hoursWorked > STD_WORK_WEEK)
  175.         overtimeHours = hoursWorked - STD_WORK_WEEK;
  176.     else
  177.         overtimeHours = 0.0f;
  178.  
  179.     return overtimeHours;
  180. }
  181.  
  182. //**************************************************************
  183. // Function: calcGross
  184. //
  185. // Purpose: Calculates total gross pay including overtime.
  186. //
  187. // Parameters:
  188. //     wageRate - hourly wage
  189. //     hoursWorked - total hours
  190. //     overtimeHrs - overtime hours
  191. //
  192. // Returns: grossPay - total weekly pay
  193. //**************************************************************
  194. float calcGross (float wageRate, float hoursWorked, float overtimeHrs)
  195. {
  196.     float regularPay;
  197.     float overtimePay;
  198.     float grossPay;
  199.  
  200.     regularPay = wageRate * (hoursWorked - overtimeHrs);
  201.     overtimePay = wageRate * OVERTIME_RATE * overtimeHrs;
  202.  
  203.     grossPay = regularPay + overtimePay;
  204.  
  205.     return grossPay;
  206. }
  207.  
  208. // ... remember your comment block headers for each function
Success #stdin #stdout 0.01s 5320KB
comments (?)
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/9xr0B5
language:
C (gcc 8.3)
created:
3 hours ago
visibility:
public

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