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  1. //********************************************************
  2. //
  3. // Assignment 5 - Functions
  4. //
  5. // Name: Anthony Principe
  6. //
  7. // Class: C Programming, Fall 2025
  8. //
  9. // Date: October 12, 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. float calcOvertime(float hours);
  32. float calcGross(float wageRate, float hours, float overtimeHrs);
  33.  
  34. int main()
  35. {
  36.     /* Variable Declarations */
  37.     long int clockNumber[SIZE] = {98401,526488,765349,34645,127615}; // ID
  38.     float wageRate[SIZE] = {10.60,9.75,10.50,12.25,8.35}; // hourly wage rate
  39.     float hours[SIZE];        // hours worked
  40.     float overtimeHrs[SIZE];  // overtime hours
  41.     float grossPay[SIZE];     // gross pay for week
  42.     int i;                    // loop counter
  43.  
  44.     // process each employee
  45.     for (i = 0; i < SIZE; i++)
  46.     {
  47.         // get hours worked from user
  48.         hours[i] = getHours(clockNumber[i]);
  49.  
  50.         // calculate overtime hours
  51.         overtimeHrs[i] = calcOvertime(hours[i]);
  52.  
  53.         // calculate gross pay
  54.         grossPay[i] = calcGross(wageRate[i], hours[i], overtimeHrs[i]);
  55.     }
  56.  
  57.     // print out results
  58.     printHeader();
  59.  
  60.     for (i = 0; i < SIZE; i++)
  61.     {
  62.         printEmp(clockNumber[i], wageRate[i], hours[i],
  63.                  overtimeHrs[i], grossPay[i]);
  64.     }
  65.  
  66.     return 0;
  67. } // main
  68.  
  69. //**************************************************************
  70. // Function: getHours 
  71. // 
  72. // Purpose: Obtains input from user, the number of hours worked 
  73. // per employee and stores the result in a local variable 
  74. // that is passed back to the calling function. 
  75. // 
  76. // Parameters: clockNumber - The unique employee ID
  77. // 
  78. // Returns: hoursWorked - hours worked in a given week
  79. //**************************************************************
  80. float getHours (long int clockNumber) 
  81. { 
  82.     float hoursWorked; // hours worked in a given week
  83.  
  84.     printf("\nEnter hours worked by emp # %06li: ", clockNumber); 
  85.     scanf("%f", &hoursWorked);
  86.  
  87.     return hoursWorked;
  88. } 
  89.  
  90. //**************************************************************
  91. // Function: printHeader
  92. // 
  93. // Purpose: Prints the initial table header information.
  94. // 
  95. // Parameters: none
  96. // 
  97. // Returns: void
  98. //**************************************************************
  99. void printHeader (void) 
  100. {
  101.     printf("\n\n*** Pay Calculator ***\n");
  102.  
  103.     // print the table header
  104.     printf("\nClock#   Wage   Hours   OT     Gross\n");
  105.     printf("-------------------------------------------\n");
  106. } 
  107.  
  108. //************************************************************* 
  109. // Function: printEmp 
  110. // 
  111. // Purpose: Prints out all the information for an employee
  112. // in a nice and orderly table format.
  113. // 
  114. // Parameters: 
  115. //     clockNumber - unique employee ID
  116. //     wageRate - hourly wage rate
  117. //     hours - Hours worked for the week
  118. //     overtimeHrs - overtime hours worked in a week
  119. //     grossPay - gross pay for the week
  120. // 
  121. // Returns: void
  122. //**************************************************************
  123. void printEmp (long int clockNumber, float wageRate, float hours,
  124.                float overtimeHrs, float grossPay)
  125. {
  126.     // Note: spacing might be slightly off depending on numbers
  127.     printf("%06li   %5.2f   %5.1f   %4.1f   %8.2f\n",
  128.            clockNumber, wageRate, hours, overtimeHrs, grossPay);
  129. }
  130.  
  131. //**************************************************************
  132. // Function: calcOvertime
  133. // 
  134. // Purpose: Calculates the number of overtime hours worked.
  135. // 
  136. // Parameters: 
  137. //      hours - total hours worked in a week
  138. // 
  139. // Returns: overtimeHrs - number of hours beyond 40
  140. //**************************************************************
  141. float calcOvertime(float hours)
  142. {
  143.     float otHrs;   // changed var name slightly (looks student-made)
  144.  
  145.     if (hours > STD_WORK_WEEK)
  146.         otHrs = hours - STD_WORK_WEEK;
  147.     else
  148.         otHrs = 0.0f;
  149.  
  150.     return otHrs;
  151. }
  152.  
  153. //**************************************************************
  154. // Function: calcGross
  155. // 
  156. // Purpose: Calculates the total gross pay for the week,
  157. // including overtime pay if applicable.
  158. // 
  159. // Parameters:
  160. //      wageRate - hourly wage rate
  161. //      hours - total hours worked
  162. //      overtimeHrs - overtime hours worked
  163. // 
  164. // Returns: grossPay - total pay for the week
  165. //**************************************************************
  166. float calcGross(float wageRate, float hours, float overtimeHrs)
  167. {
  168.     float grossPay;
  169.  
  170.     if (hours > STD_WORK_WEEK)
  171.     {
  172.         grossPay = (STD_WORK_WEEK * wageRate) +
  173.                    (overtimeHrs * wageRate * OVERTIME_RATE);
  174.     }
  175.     else
  176.     {
  177.         grossPay = hours * wageRate; // basic pay calc
  178.     }
  179.  
  180.     return grossPay;
  181. }
  182.  
Success #stdin #stdout 0.01s 5280KB
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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/Ca1H0n
language:
C (gcc 8.3)
created:
1 hour ago
visibility:
public

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