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  1. #include <stdio.h>
  2. #include <string.h>
  3. #include <ctype.h>
  4.  
  5. // define constants
  6. #define SIZE 5
  7. #define STD_HOURS 40.0
  8. #define OT_RATE 1.5
  9. #define MA_TAX_RATE 0.05
  10. #define NH_TAX_RATE 0.0
  11. #define VT_TAX_RATE 0.06
  12. #define CA_TAX_RATE 0.07
  13. #define DEFAULT_TAX_RATE 0.08
  14. #define NAME_SIZE 20
  15. #define TAX_STATE_SIZE 3
  16. #define FED_TAX_RATE 0.25
  17. #define FIRST_NAME_SIZE 10
  18. #define LAST_NAME_SIZE 10
  19.  
  20. struct name {
  21.     char firstName[FIRST_NAME_SIZE];
  22.     char lastName[LAST_NAME_SIZE];
  23. };
  24.  
  25. struct employee {
  26.     struct name empName;
  27.     char taxState[TAX_STATE_SIZE];
  28.     long int clockNumber;
  29.     float wageRate;
  30.     float hours;
  31.     float overtimeHrs;
  32.     float grossPay;
  33.     float stateTax;
  34.     float fedTax;
  35.     float netPay;
  36. };
  37.  
  38. struct totals {
  39.     float total_wageRate;
  40.     float total_hours;
  41.     float total_overtimeHrs;
  42.     float total_grossPay;
  43.     float total_stateTax;
  44.     float total_fedTax;
  45.     float total_netPay;
  46. };
  47.  
  48. struct min_max {
  49.     float min_wageRate;
  50.     float min_hours;
  51.     float min_overtimeHrs;
  52.     float min_grossPay;
  53.     float min_stateTax;
  54.     float min_fedTax;
  55.     float min_netPay;
  56.     float max_wageRate;
  57.     float max_hours;
  58.     float max_overtimeHrs;
  59.     float max_grossPay;
  60.     float max_stateTax;
  61.     float max_fedTax;
  62.     float max_netPay;
  63. };
  64.  
  65. // Updated prototypes with pointers
  66. void getHours(struct employee *emp_ptr, int theSize);
  67. void printEmp(struct employee *emp_ptr, int theSize);
  68. void calcEmployeeTotals(struct employee *emp_ptr, struct totals *emp_totals_ptr, int theSize);
  69. void calcEmployeeMinMax(struct employee *emp_ptr, struct min_max *emp_MinMax_ptr, int theSize);
  70. void printHeader(void);
  71.  
  72. // Transitioned to pointers
  73. void calcOvertimeHrs(struct employee *emp_ptr, int theSize);
  74. void calcGrossPay(struct employee *emp_ptr, int theSize);
  75. void calcStateTax(struct employee *emp_ptr, int theSize);
  76. void calcFedTax(struct employee *emp_ptr, int theSize);
  77. void calcNetPay(struct employee *emp_ptr, int theSize);
  78. void printEmpStatistics(struct totals *emp_totals_ptr, struct min_max *emp_MinMax_ptr, int theSize);
  79.  
  80. int main() {
  81.     struct employee employeeData[SIZE] = {
  82.         {{"Connie", "Cobol"}, "MA", 98401, 10.60},
  83.         {{"Mary", "Apl"}, "NH", 526488, 9.75},
  84.         {{"Frank", "Fortran"}, "VT", 765349, 10.50},
  85.         {{"Jeff", "Ada"}, "NY", 34645, 12.25},
  86.         {{"Anton", "Pascal"}, "CA", 127615, 8.35}
  87.     };
  88.  
  89.     struct totals employeeTotals = {0};
  90.     struct min_max employeeMinMax = {0};
  91.  
  92.     // Get hours worked with proper input validation
  93.     getHours(employeeData, SIZE);
  94.  
  95.     // Calculate all payroll components
  96.     calcOvertimeHrs(employeeData, SIZE);
  97.     calcGrossPay(employeeData, SIZE);
  98.     calcStateTax(employeeData, SIZE);
  99.     calcFedTax(employeeData, SIZE);
  100.     calcNetPay(employeeData, SIZE);
  101.  
  102.     // Calculate totals and min/max
  103.     calcEmployeeTotals(employeeData, &employeeTotals, SIZE);
  104.     calcEmployeeMinMax(employeeData, &employeeMinMax, SIZE);
  105.  
  106.     // Print results
  107.     printHeader();
  108.     printEmp(employeeData, SIZE);
  109.     printEmpStatistics(&employeeTotals, &employeeMinMax, SIZE);
  110.  
  111.     return 0;
  112. }
  113.  
  114. // Updated getHours with robust input validation
  115. void getHours(struct employee *emp_ptr, int theSize) {
  116.     for (int i = 0; i < theSize; ++i) {
  117.         int valid = 0;
  118.         do {
  119.             printf("Enter hours worked by emp #%06li: ", emp_ptr->clockNumber);
  120.             if (scanf("%f", &emp_ptr->hours) != 1) {
  121.                 printf("Invalid input. Please enter a number.\n");
  122.                 while(getchar() != '\n'); // Clear input buffer
  123.             } else if (emp_ptr->hours < 0 || emp_ptr->hours > 168) {
  124.                 printf("Hours must be between 0 and 168.\n");
  125.             } else {
  126.                 valid = 1;
  127.             }
  128.         } while (!valid);
  129.         emp_ptr++;
  130.     }
  131. }
  132.  
  133. void printHeader(void) {
  134.     printf("\n\n*** Pay Calculator ***\n");
  135.     printf("\n--------------------------------------------------------------");
  136.     printf("-------------------");
  137.     printf("\nName                Tax  Clock# Wage   Hours  OT   Gross ");
  138.     printf("  State  Fed      Net");
  139.     printf("\n                   State                           Pay   ");
  140.     printf("  Tax    Tax      Pay");
  141.     printf("\n--------------------------------------------------------------");
  142.     printf("-------------------");
  143. }
  144.  
  145. void printEmp(struct employee *emp_ptr, int theSize) {
  146.     char name[FIRST_NAME_SIZE + LAST_NAME_SIZE + 1];
  147.  
  148.     for (int i = 0; i < theSize; ++i) {
  149.         snprintf(name, sizeof(name), "%s %s", emp_ptr->empName.firstName, emp_ptr->empName.lastName);
  150.  
  151.         printf("\n%-20.20s %-2.2s  %06li %5.2f  %4.1f  %4.1f %7.2f %6.2f %7.2f %8.2f",
  152.                name, emp_ptr->taxState, emp_ptr->clockNumber, 
  153.                emp_ptr->wageRate, emp_ptr->hours,
  154.                emp_ptr->overtimeHrs, emp_ptr->grossPay, 
  155.                emp_ptr->stateTax, emp_ptr->fedTax, 
  156.                emp_ptr->netPay);
  157.         emp_ptr++;
  158.     }
  159. }
  160.  
  161. // Updated functions with pointer references
  162. void calcOvertimeHrs(struct employee *emp_ptr, int theSize) {
  163.     for (int i = 0; i < theSize; ++i) {
  164.         emp_ptr->overtimeHrs = (emp_ptr->hours > STD_HOURS) ? (emp_ptr->hours - STD_HOURS) : 0;
  165.         emp_ptr++;
  166.     }
  167. }
  168.  
  169. void calcGrossPay(struct employee *emp_ptr, int theSize) {
  170.     for (int i = 0; i < theSize; ++i) {
  171.         float normalPay = emp_ptr->wageRate * (emp_ptr->hours - emp_ptr->overtimeHrs);
  172.         float overtimePay = emp_ptr->overtimeHrs * (OT_RATE * emp_ptr->wageRate);
  173.         emp_ptr->grossPay = normalPay + overtimePay;
  174.         emp_ptr++;
  175.     }
  176. }
  177.  
  178. void calcStateTax(struct employee *emp_ptr, int theSize) {
  179.     for (int i = 0; i < theSize; ++i) {
  180.         // Convert state code to uppercase
  181.         emp_ptr->taxState[0] = toupper(emp_ptr->taxState[0]);
  182.         emp_ptr->taxState[1] = toupper(emp_ptr->taxState[1]);
  183.  
  184.         if (strcmp(emp_ptr->taxState, "MA") == 0) {
  185.             emp_ptr->stateTax = emp_ptr->grossPay * MA_TAX_RATE;
  186.         } else if (strcmp(emp_ptr->taxState, "VT") == 0) {
  187.             emp_ptr->stateTax = emp_ptr->grossPay * VT_TAX_RATE;
  188.         } else if (strcmp(emp_ptr->taxState, "NH") == 0) {
  189.             emp_ptr->stateTax = emp_ptr->grossPay * NH_TAX_RATE;
  190.         } else if (strcmp(emp_ptr->taxState, "CA") == 0) {
  191.             emp_ptr->stateTax = emp_ptr->grossPay * CA_TAX_RATE;
  192.         } else {
  193.             emp_ptr->stateTax = emp_ptr->grossPay * DEFAULT_TAX_RATE;
  194.         }
  195.         emp_ptr++;
  196.     }
  197. }
  198.  
  199. void calcFedTax(struct employee *emp_ptr, int theSize) {
  200.     for (int i = 0; i < theSize; ++i) {
  201.         emp_ptr->fedTax = emp_ptr->grossPay * FED_TAX_RATE;
  202.         emp_ptr++;
  203.     }
  204. }
  205.  
  206. void calcNetPay(struct employee *emp_ptr, int theSize) {
  207.     for (int i = 0; i < theSize; ++i) {
  208.         emp_ptr->netPay = emp_ptr->grossPay - (emp_ptr->stateTax + emp_ptr->fedTax);
  209.         emp_ptr++;
  210.     }
  211. }
  212.  
  213. void calcEmployeeTotals(struct employee *emp_ptr, struct totals *emp_totals_ptr, int theSize) {
  214.     for (int i = 0; i < theSize; ++i) {
  215.         emp_totals_ptr->total_wageRate += emp_ptr->wageRate;
  216.         emp_totals_ptr->total_hours += emp_ptr->hours;
  217.         emp_totals_ptr->total_overtimeHrs += emp_ptr->overtimeHrs;
  218.         emp_totals_ptr->total_grossPay += emp_ptr->grossPay;
  219.         emp_totals_ptr->total_stateTax += emp_ptr->stateTax;
  220.         emp_totals_ptr->total_fedTax += emp_ptr->fedTax;
  221.         emp_totals_ptr->total_netPay += emp_ptr->netPay;
  222.         emp_ptr++;
  223.     }
  224. }
  225.  
  226. void calcEmployeeMinMax(struct employee *emp_ptr, struct min_max *emp_MinMax_ptr, int theSize) {
  227.     // Initialize with first employee
  228.     emp_MinMax_ptr->min_wageRate = emp_MinMax_ptr->max_wageRate = emp_ptr->wageRate;
  229.     emp_MinMax_ptr->min_hours = emp_MinMax_ptr->max_hours = emp_ptr->hours;
  230.     emp_MinMax_ptr->min_overtimeHrs = emp_MinMax_ptr->max_overtimeHrs = emp_ptr->overtimeHrs;
  231.     emp_MinMax_ptr->min_grossPay = emp_MinMax_ptr->max_grossPay = emp_ptr->grossPay;
  232.     emp_MinMax_ptr->min_stateTax = emp_MinMax_ptr->max_stateTax = emp_ptr->stateTax;
  233.     emp_MinMax_ptr->min_fedTax = emp_MinMax_ptr->max_fedTax = emp_ptr->fedTax;
  234.     emp_MinMax_ptr->min_netPay = emp_MinMax_ptr->max_netPay = emp_ptr->netPay;
  235.     emp_ptr++;
  236.  
  237.     // Check remaining employees
  238.     for (int i = 1; i < theSize; ++i) {
  239.         if (emp_ptr->wageRate < emp_MinMax_ptr->min_wageRate) emp_MinMax_ptr->min_wageRate = emp_ptr->wageRate;
  240.         if (emp_ptr->wageRate > emp_MinMax_ptr->max_wageRate) emp_MinMax_ptr->max_wageRate = emp_ptr->wageRate;
  241.  
  242.         if (emp_ptr->hours < emp_MinMax_ptr->min_hours) emp_MinMax_ptr->min_hours = emp_ptr->hours;
  243.         if (emp_ptr->hours > emp_MinMax_ptr->max_hours) emp_MinMax_ptr->max_hours = emp_ptr->hours;
  244.  
  245.         if (emp_ptr->overtimeHrs < emp_MinMax_ptr->min_overtimeHrs) emp_MinMax_ptr->min_overtimeHrs = emp_ptr->overtimeHrs;
  246.         if (emp_ptr->overtimeHrs > emp_MinMax_ptr->max_overtimeHrs) emp_MinMax_ptr->max_overtimeHrs = emp_ptr->overtimeHrs;
  247.  
  248.         if (emp_ptr->grossPay < emp_MinMax_ptr->min_grossPay) emp_MinMax_ptr->min_grossPay = emp_ptr->grossPay;
  249.         if (emp_ptr->grossPay > emp_MinMax_ptr->max_grossPay) emp_MinMax_ptr->max_grossPay = emp_ptr->grossPay;
  250.  
  251.         if (emp_ptr->stateTax < emp_MinMax_ptr->min_stateTax) emp_MinMax_ptr->min_stateTax = emp_ptr->stateTax;
  252.         if (emp_ptr->stateTax > emp_MinMax_ptr->max_stateTax) emp_MinMax_ptr->max_stateTax = emp_ptr->stateTax;
  253.  
  254.         if (emp_ptr->fedTax < emp_MinMax_ptr->min_fedTax) emp_MinMax_ptr->min_fedTax = emp_ptr->fedTax;
  255.         if (emp_ptr->fedTax > emp_MinMax_ptr->max_fedTax) emp_MinMax_ptr->max_fedTax = emp_ptr->fedTax;
  256.  
  257.         if (emp_ptr->netPay < emp_MinMax_ptr->min_netPay) emp_MinMax_ptr->min_netPay = emp_ptr->netPay;
  258.         if (emp_ptr->netPay > emp_MinMax_ptr->max_netPay) emp_MinMax_ptr->max_netPay = emp_ptr->netPay;
  259.  
  260.         emp_ptr++;
  261.     }
  262. }
  263.  
  264. void printEmpStatistics(struct totals *emp_totals_ptr, struct min_max *emp_MinMax_ptr, int theSize) {
  265.     printf("\n--------------------------------------------------------------");
  266.     printf("-------------------");
  267.     printf("\nTotals:                         %5.2f %5.1f %5.1f %7.2f %6.2f %7.2f %8.2f",
  268.            emp_totals_ptr->total_wageRate,
  269.            emp_totals_ptr->total_hours,
  270.            emp_totals_ptr->total_overtimeHrs,
  271.            emp_totals_ptr->total_grossPay,
  272.            emp_totals_ptr->total_stateTax,
  273.            emp_totals_ptr->total_fedTax,
  274.            emp_totals_ptr->total_netPay);
  275.  
  276.     if (theSize > 0) {
  277.         printf("\nAverages:                       %5.2f %5.1f %5.1f %7.2f %6.2f %7.2f %8.2f",
  278.                emp_totals_ptr->total_wageRate/theSize,
  279.                emp_totals_ptr->total_hours/theSize,
  280.                emp_totals_ptr->total_overtimeHrs/theSize,
  281.                emp_totals_ptr->total_grossPay/theSize,
  282.                emp_totals_ptr->total_stateTax/theSize,
  283.                emp_totals_ptr->total_fedTax/theSize,
  284.                emp_totals_ptr->total_netPay/theSize);
  285.     }
  286.  
  287.     printf("\nMinimum:                        %5.2f %5.1f %5.1f %7.2f %6.2f %7.2f %8.2f",
  288.            emp_MinMax_ptr->min_wageRate,
  289.            emp_MinMax_ptr->min_hours,
  290.            emp_MinMax_ptr->min_overtimeHrs,
  291.            emp_MinMax_ptr->min_grossPay,
  292.            emp_MinMax_ptr->min_stateTax,
  293.            emp_MinMax_ptr->min_fedTax,
  294.            emp_MinMax_ptr->min_netPay);
  295.  
  296.     printf("\nMaximum:                        %5.2f %5.1f %5.1f %7.2f %6.2f %7.2f %8.2f",
  297.            emp_MinMax_ptr->max_wageRate,
  298.            emp_MinMax_ptr->max_hours,
  299.            emp_MinMax_ptr->max_overtimeHrs,
  300.            emp_MinMax_ptr->max_grossPay,
  301.            emp_MinMax_ptr->max_stateTax,
  302.            emp_MinMax_ptr->max_fedTax,
  303.            emp_MinMax_ptr->max_netPay);
  304. }
Success #stdin #stdout 0.01s 5288KB
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51.0   
42.5
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45.0
40.0
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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 ***

---------------------------------------------------------------------------------
Name                Tax  Clock# Wage   Hours  OT   Gross   State  Fed      Net
                   State                           Pay     Tax    Tax      Pay
---------------------------------------------------------------------------------
Connie Cobol         MA  098401 10.60  51.0  11.0  598.90  29.95  149.73   419.23
Mary Apl             NH  526488  9.75  42.5   2.5  426.56   0.00  106.64   319.92
Frank Fortran        VT  765349 10.50  37.0   0.0  388.50  23.31   97.12   268.07
Jeff Ada             NY  034645 12.25  45.0   5.0  581.88  46.55  145.47   389.86
Anton Pascal         CA  127615  8.35  40.0   0.0  334.00  23.38   83.50   227.12
---------------------------------------------------------------------------------
Totals:                         51.45 215.5  18.5 2329.84 123.18  582.46  1624.19
Averages:                       10.29  43.1   3.7  465.97  24.64  116.49   324.84
Minimum:                         8.35  37.0   0.0  334.00   0.00   83.50   227.12
Maximum:                        12.25  51.0  11.0  598.90  46.55  149.73   419.23
https://ideone.com/33oHA1
language:
C (gcc 8.3)
created:
16 hours ago
visibility:
public

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