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  1. //********************************************************
  2. //
  3. // Assignment 5 - Functions
  4. //
  5. // Name: Rose Samedi
  6. //
  7. // Class: C Programming, Fall 2025
  8. //
  9. // Date: 10/20/2025
  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 1.5
  24. #define STD_WORK_WEEK 40.0
  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 calculateOvertime(float hours);
  32. float calculateGrossPay(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 grossPay[SIZE];     // gross pay
  39.     float hours[SIZE];        // hours worked in a given week
  40.     int   i;                  // loop and array index
  41.     float overtimeHrs[SIZE];  // overtime hours
  42.     float wageRate[SIZE] = {10.60,9.75,10.50,12.25,8.35}; // hourly wage rate
  43.  
  44.     // process each employee
  45.     for (i = 0; i < SIZE; ++i)
  46.     {
  47.         // Read in hours for employee
  48.         hours[i] = getHours (clockNumber[i]); 
  49.  
  50.         // Function call to calculate overtime hours
  51.         overtimeHrs[i] = calculateOvertime(hours[i]);
  52.  
  53.         // Function call to calculate gross pay
  54.         grossPay[i] = calculateGrossPay(wageRate[i], hours[i], overtimeHrs[i]);
  55.     }
  56.  
  57.     // print the header info
  58.     printHeader();
  59.  
  60.     // print out each employee
  61.     for (i = 0; i < SIZE; ++i)
  62.     {
  63.         // Print all the employees - call by value
  64.         printEmp (clockNumber[i], wageRate[i], hours[i],
  65.                    overtimeHrs[i], grossPay[i]);
  66.     } // for
  67.  
  68.     return (0);
  69. } // main
  70.  
  71. //**************************************************************
  72. // Function: getHours 
  73. // 
  74. // Purpose: Obtains input from user, the number of hours worked 
  75. // per employee and stores the result
  76. //**************************************************************
  77. float getHours (long int clockNumber)
  78. {
  79.     float hours;
  80.     printf("Enter hours worked for employee %06ld: ", clockNumber);
  81.     scanf("%f", &hours);
  82.     return hours;
  83. }
  84.  
  85. //**************************************************************
  86. // Function: printHeader 
  87. // 
  88. // Purpose: Prints the header for the employee payroll table
  89. //**************************************************************
  90. void printHeader (void)
  91. {
  92.     printf("\n*** Pay Calculator ***\n\n");
  93.     printf("Clock #\t| Wage\t| Hours\t| OT\t| Gross\n");
  94.     printf("--------|-------|-------|-------|--------\n");
  95. }
  96.  
  97. //**************************************************************
  98. // Function: printEmp 
  99. // 
  100. // Purpose: Prints a single line of employee information
  101. //**************************************************************
  102. void printEmp (long int clockNumber, float wageRate, float hours,
  103.                float overtimeHrs, float grossPay)
  104. {
  105.     printf("%06ld\t| %5.2f\t|%5.1f\t|%5.1f\t|%7.2f\n",
  106.            clockNumber, wageRate, hours, overtimeHrs, grossPay);
  107. }
  108.  
  109. //**************************************************************
  110. // Function: calculateOvertime 
  111. // 
  112. // Purpose: Calculates overtime hours based on standard work week
  113. //**************************************************************
  114. float calculateOvertime(float hours)
  115. {
  116.     if (hours > STD_WORK_WEEK)
  117.     {
  118.         return hours - STD_WORK_WEEK;
  119.     }
  120.     else
  121.     {
  122.         return 0.0f;
  123.     }
  124. }
  125.  
  126. //**************************************************************
  127. // Function: calculateGrossPay 
  128. // 
  129. // Purpose: Calculates gross pay including overtime wages
  130. //**************************************************************
  131. float calculateGrossPay(float wageRate, float hours, float overtimeHrs)
  132. {
  133.     float regularPay;
  134.     float overtimePay;
  135.  
  136.     if (overtimeHrs > 0)
  137.     {
  138.         regularPay = STD_WORK_WEEK * wageRate;
  139.         overtimePay = overtimeHrs * (wageRate * OVERTIME_RATE);
  140.         return regularPay + overtimePay;
  141.     }
  142.     else
  143.     {
  144.         return hours * wageRate;
  145.     }
  146. }
Success #stdin #stdout 0.01s 5316KB
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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 for employee 098401: Enter hours worked for employee 526488: Enter hours worked for employee 765349: Enter hours worked for employee 034645: Enter hours worked for employee 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/wjNZEH
language:
C (gcc 8.3)
created:
10 days ago
visibility:
public

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