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  1. //
  2. // Pay Calculator using arrays
  3. // Calculates overtime hours and gross pay for SIZE employees
  4. //
  5. #include <stdio.h>
  6.  
  7. // constants to use
  8. #define SIZE 5           // number of employees to process
  9. #define STD_HOURS 40.0   // normal work week hours before overtime
  10. #define OT_RATE 1.5      // time and half overtime setting
  11.  
  12. int main(void)
  13. {
  14.     // unique employee identifier (initialized)
  15.     long int clockNumber[SIZE] = {98401, 526488, 765349, 34645, 127615};
  16.  
  17.     // hourly pay for each employee (initialized)
  18.     float wageRate[SIZE] = {10.6f, 9.75f, 10.5f, 12.25f, 8.35f};
  19.  
  20.     // arrays to be filled / calculated
  21.     float hours[SIZE];        // hours worked in a given week (read from input)
  22.     float normalPay[SIZE];    // normal weekly pay without overtime
  23.     float overtimeHrs[SIZE];  // overtime hours worked in a given week
  24.     float overtimePay[SIZE];  // overtime pay for a given week
  25.     float grossPay[SIZE];     // weekly gross pay - normal pay + overtime pay
  26.  
  27.     int i;
  28.  
  29.     printf("\n*** Pay Calculator ***\n\n");
  30.  
  31.     // Read hours for each employee and compute pay
  32.     for (i = 0; i < SIZE; i++)
  33.     {
  34.         // Prompt and read hours worked for employee
  35.         printf("Enter number of hours worked for employee %06ld: ", clockNumber[i]);
  36.         if (scanf("%f", &hours[i]) != 1) {
  37.             // If input fails, set hours to 0 and clear stdin
  38.             hours[i] = 0.0f;
  39.         }
  40.  
  41.         // Calculate overtime and gross pay for employee
  42.         if (hours[i] >= STD_HOURS)
  43.         {
  44.             overtimeHrs[i] = hours[i] - STD_HOURS;
  45.             normalPay[i] = STD_HOURS * wageRate[i];
  46.             overtimePay[i] = overtimeHrs[i] * wageRate[i] * OT_RATE;
  47.         }
  48.         else // no OT
  49.         {
  50.             overtimeHrs[i] = 0.0f;
  51.             normalPay[i] = hours[i] * wageRate[i];
  52.             overtimePay[i] = 0.0f;
  53.         }
  54.  
  55.         // Calculate Gross Pay
  56.         grossPay[i] = normalPay[i] + overtimePay[i];
  57.     }
  58.  
  59.     // Print a nice table header
  60.     printf("\n--------------------------------------------------------------------------\n");
  61.     printf("    Clock#     Wage    Hours    OT      Gross\n");
  62.     printf("--------------------------------------------------------------------------\n");
  63.  
  64.     // Print employee information from arrays
  65.     for (i = 0; i < SIZE; i++)
  66.     {
  67.         // Clock# printed with leading zeros to match sample (6 digits)
  68.         // Wage printed with 2 decimals, Hours with 1 decimal, OT with 1 decimal, Gross with 2 decimals
  69.         printf("    %06ld    %6.2f   %6.1f   %6.1f   %8.2f\n",
  70.                clockNumber[i],
  71.                wageRate[i],
  72.                hours[i],
  73.                overtimeHrs[i],
  74.                grossPay[i]);
  75.     }
  76.  
  77.     return 0;
  78. }
  79.  
Success #stdin #stdout 0.01s 5300KB
comments (?)
stdin 
51.0
42.5
37.0
45.0
0.0
stdout 
*** Pay Calculator ***

Enter number of hours worked for employee 098401: Enter number of hours worked for employee 526488: Enter number of hours worked for employee 765349: Enter number of hours worked for employee 034645: Enter number of hours worked for employee 127615: 
--------------------------------------------------------------------------
    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/qXyJ8y
language:
C (gcc 8.3)
created:
1 day ago
visibility:
public

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