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  1. //********************************************************
  2. //
  3. // Assignment 6 - Employee Pay Calculator with Structures
  4. //
  5. // Name: Felix Henriquez
  6. //
  7. // Class: C Programming, Fall 2025
  8. //
  9. // Date: October 19, 2025
  10. //
  11. // Description: Employee pay calculator using structures
  12. //              to determine overtime and gross pay.
  13. //
  14. //********************************************************
  15.  
  16. #include <stdio.h>
  17.  
  18. // Constants for business rules
  19. #define MAX_EMPLOYEES 5
  20. #define OVERTIME_RATE 1.5f
  21. #define STANDARD_WORK_WEEK 40.0f
  22. #define COMPANY_NAME "Henriquez Solutions"
  23.  
  24. // Structure definition
  25. struct employee
  26. {
  27.     long int clockNumber;
  28.     float wageRate;
  29.     float hours;
  30.     float overtimeHrs;
  31.     float grossPay;
  32. };
  33.  
  34. // Function prototypes
  35. void displayWelcomeMessage(void);
  36. void getEmployeeHours(struct employee employees[]);
  37. void computeOvertime(struct employee employees[]);
  38. void computeGrossPay(struct employee employees[]);
  39. void displayPayReport(struct employee employees[]);
  40. void displayPaySummary(struct employee employees[]);
  41. void calculateTotals(struct employee employees[], float totals[], float averages[]);
  42.  
  43. int main()
  44. {
  45.     // Initialize array of structures
  46.     struct employee employees[MAX_EMPLOYEES] = {
  47.         {98401, 10.60, 0, 0, 0},
  48.         {526488, 9.75, 0, 0, 0},
  49.         {765349, 10.50, 0, 0, 0},
  50.         {34645, 12.25, 0, 0, 0},
  51.         {127615, 8.35, 0, 0, 0}
  52.     };
  53.  
  54.     // Display welcome message
  55.     displayWelcomeMessage();
  56.  
  57.     // Get employee work hours
  58.     getEmployeeHours(employees);
  59.  
  60.     // Calculate payroll components
  61.     computeOvertime(employees);
  62.     computeGrossPay(employees);
  63.  
  64.     // Display results
  65.     displayPayReport(employees);
  66.     displayPaySummary(employees);
  67.  
  68.     printf("\n*** Payroll processing complete! ***\n");
  69.     return 0;
  70. }
  71.  
  72. //**************************************************************
  73. // Function: displayWelcomeMessage
  74. // 
  75. // Purpose: Displays a welcome message and company header
  76. // 
  77. // Parameters: none
  78. // 
  79. // Returns: void
  80. //  
  81. //**************************************************************
  82. void displayWelcomeMessage(void)
  83. {
  84.     printf("\n==================================================");
  85.     printf("\n              %s", COMPANY_NAME);
  86.     printf("\n        PAYROLL SYSTEM v3.0 (Structures)");
  87.     printf("\n==================================================\n");
  88.     printf("\nWelcome to the Employee Pay Calculator!\n");
  89.     printf("Please enter the hours worked for each employee.\n");
  90. }
  91.  
  92. //**************************************************************
  93. // Function: getEmployeeHours
  94. // 
  95. // Purpose: Collects hours worked for each employee with validation
  96. // 
  97. // Parameters: employees[] - array of employee structures
  98. // 
  99. // Returns: void
  100. //  
  101. //**************************************************************
  102. void getEmployeeHours(struct employee employees[])
  103. {
  104.     int i; // loop counter
  105.  
  106.     printf("\n--------------------------------------------------\n");
  107.     printf("ENTER EMPLOYEE HOURS:\n");
  108.     printf("--------------------------------------------------\n");
  109.  
  110.     for (i = 0; i < MAX_EMPLOYEES; ++i)
  111.     {
  112.         printf("Hours for Employee #%d (Clock# %06ld): ", i + 1, employees[i].clockNumber);
  113.         scanf("%f", &employees[i].hours);
  114.  
  115.         // Basic validation
  116.         if (employees[i].hours < 0)
  117.         {
  118.             printf("   Note: Negative hours entered. Setting to 0.\n");
  119.             employees[i].hours = 0.0;
  120.         }
  121.         else if (employees[i].hours > 80)
  122.         {
  123.             printf("   Note: Hours exceed 80. Please verify.\n");
  124.         }
  125.     }
  126. }
  127.  
  128. //**************************************************************
  129. // Function: computeOvertime
  130. // 
  131. // Purpose: Calculates overtime hours for each employee
  132. // 
  133. // Parameters: employees[] - array of employee structures
  134. // 
  135. // Returns: void
  136. //  
  137. //**************************************************************
  138. void computeOvertime(struct employee employees[])
  139. {
  140.     int i; // loop counter
  141.  
  142.     for (i = 0; i < MAX_EMPLOYEES; ++i)
  143.     {
  144.         if (employees[i].hours > STANDARD_WORK_WEEK)
  145.         {
  146.             employees[i].overtimeHrs = employees[i].hours - STANDARD_WORK_WEEK;
  147.         }
  148.         else
  149.         {
  150.             employees[i].overtimeHrs = 0.0;
  151.         }
  152.     }
  153. }
  154.  
  155. //**************************************************************
  156. // Function: computeGrossPay
  157. // 
  158. // Purpose: Calculates total pay including overtime
  159. // 
  160. // Parameters: employees[] - array of employee structures
  161. // 
  162. // Returns: void
  163. //  
  164. //**************************************************************
  165. void computeGrossPay(struct employee employees[])
  166. {
  167.     int i;                    // loop counter
  168.     float regularHours;       // non-overtime hours
  169.     float basePay;            // pay for regular hours
  170.     float premiumPay;         // pay for overtime hours
  171.  
  172.     for (i = 0; i < MAX_EMPLOYEES; ++i)
  173.     {
  174.         // Determine regular hours (capped at 40)
  175.         regularHours = (employees[i].hours > STANDARD_WORK_WEEK) ? STANDARD_WORK_WEEK : employees[i].hours;
  176.  
  177.         // Calculate pay components
  178.         basePay = regularHours * employees[i].wageRate;
  179.         premiumPay = employees[i].overtimeHrs * employees[i].wageRate * OVERTIME_RATE;
  180.  
  181.         // Total compensation
  182.         employees[i].grossPay = basePay + premiumPay;
  183.     }
  184. }
  185.  
  186. //**************************************************************
  187. // Function: displayPayReport
  188. // 
  189. // Purpose: Displays detailed pay report in formatted table
  190. // 
  191. // Parameters: employees[] - array of employee structures
  192. // 
  193. // Returns: void
  194. //  
  195. //**************************************************************
  196. void displayPayReport(struct employee employees[])
  197. {
  198.     int i; // loop counter
  199.     float totals[5] = {0};  // wage, hours, OT, gross
  200.     float averages[5] = {0};
  201.  
  202.     // Calculate totals and averages
  203.     calculateTotals(employees, totals, averages);
  204.  
  205.     printf("\n--------------------------------------------------------------------------");
  206.     printf("\n    Clock#   Wage   Hours     OT      Gross");
  207.     printf("\n--------------------------------------------------------------------------");
  208.  
  209.     for (i = 0; i < MAX_EMPLOYEES; ++i)
  210.     {
  211.         printf("\n   %06ld   %5.2f   %5.1f    %4.1f    %8.2f",
  212.                employees[i].clockNumber, 
  213.                employees[i].wageRate, 
  214.                employees[i].hours, 
  215.                employees[i].overtimeHrs, 
  216.                employees[i].grossPay);
  217.     }
  218.  
  219.     // Display separator line
  220.     printf("\n--------------------------------------------------------------------------");
  221.  
  222.     // Display totals
  223.     printf("\n   Total    %5.2f  %5.1f   %4.1f   %8.2f",
  224.            totals[0], totals[1], totals[2], totals[3]);
  225.  
  226.     // Display averages
  227.     printf("\n   Average  %5.2f   %4.1f    %3.1f   %8.2f",
  228.            averages[0], averages[1], averages[2], averages[3]);
  229.  
  230.     printf("\n--------------------------------------------------------------------------");
  231. }
  232.  
  233. //**************************************************************
  234. // Function: calculateTotals
  235. // 
  236. // Purpose: Calculates totals and averages for the report
  237. // 
  238. // Parameters: employees[] - array of employee structures
  239. //             totals[] - array to store totals
  240. //             averages[] - array to store averages
  241. // 
  242. // Returns: void
  243. //  
  244. //**************************************************************
  245. void calculateTotals(struct employee employees[], float totals[], float averages[])
  246. {
  247.     int i; // loop counter
  248.  
  249.     for (i = 0; i < MAX_EMPLOYEES; ++i)
  250.     {
  251.         totals[0] += employees[i].wageRate;        // Sum of wages
  252.         totals[1] += employees[i].hours;           // Sum of hours
  253.         totals[2] += employees[i].overtimeHrs;     // Sum of overtime
  254.         totals[3] += employees[i].grossPay;        // Sum of gross pay
  255.     }
  256.  
  257.     // Calculate averages
  258.     for (i = 0; i < 4; ++i)
  259.     {
  260.         averages[i] = totals[i] / MAX_EMPLOYEES;
  261.     }
  262. }
  263.  
  264. //**************************************************************
  265. // Function: displayPaySummary
  266. // 
  267. // Purpose: Displays payroll summary statistics
  268. // 
  269. // Parameters: employees[] - array of employee structures
  270. // 
  271. // Returns: void
  272. //  
  273. //**************************************************************
  274. void displayPaySummary(struct employee employees[])
  275. {
  276.     float payrollTotal = 0.0;
  277.     float totalHours = 0.0;
  278.     float totalOvertime = 0.0;
  279.     int i;
  280.  
  281.     for (i = 0; i < MAX_EMPLOYEES; ++i)
  282.     {
  283.         payrollTotal += employees[i].grossPay;
  284.         totalHours += employees[i].hours;
  285.         totalOvertime += employees[i].overtimeHrs;
  286.     }
  287.  
  288.     printf("\n\nPAYROLL SUMMARY:");
  289.     printf("\n------------------------------------------");
  290.     printf("\nTotal Gross Pay:    $%9.2f", payrollTotal);
  291.     printf("\nAverage Gross Pay:  $%9.2f", payrollTotal / MAX_EMPLOYEES);
  292.     printf("\nTotal Hours:        %9.1f", totalHours);
  293.     printf("\nOvertime Hours:     %9.1f", totalOvertime);
  294.     printf("\nEmployees Processed:%9d", MAX_EMPLOYEES);
  295.     printf("\n------------------------------------------\n");
  296. }
Success #stdin #stdout 0s 5316KB
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==================================================
              Henriquez Solutions
        PAYROLL SYSTEM v3.0 (Structures)
==================================================

Welcome to the Employee Pay Calculator!
Please enter the hours worked for each employee.

--------------------------------------------------
ENTER EMPLOYEE HOURS:
--------------------------------------------------
Hours for Employee #1 (Clock# 098401): Hours for Employee #2 (Clock# 526488): Hours for Employee #3 (Clock# 765349): Hours for Employee #4 (Clock# 034645): Hours for Employee #5 (Clock# 127615): 
--------------------------------------------------------------------------
    Clock#   Wage   Hours     OT      Gross
--------------------------------------------------------------------------
   098401   10.60    45.7     5.7      514.63
   526488    9.75    27.5     0.0      268.12
   765349   10.50    15.0     0.0      157.50
   034645   12.25    58.0    18.0      820.75
   127615    8.35     0.0     0.0        0.00
--------------------------------------------------------------------------
   Total    51.45  146.2   23.7    1761.01
   Average  10.29   29.2    4.7     352.20
--------------------------------------------------------------------------

PAYROLL SUMMARY:
------------------------------------------
Total Gross Pay:    $  1761.01
Average Gross Pay:  $   352.20
Total Hours:            146.2
Overtime Hours:          23.7
Employees Processed:        5
------------------------------------------

*** Payroll processing complete! ***
https://ideone.com/WQ3b9u
language:
C (gcc 8.3)
created:
15 days ago
visibility:
public

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