Need to wirte four functions on array of worker stuctures. 1. one to input an ar

Question

Need to wirte four functions on array of worker stuctures.

1. one to input an array of work structures - the ID number, hours worked, and hourly rate.

2. figure the earned for each worker structure in the array - calculate time and a half for all hours above 40. EX. $11 per hours and work 50 hr.earned would be 40 x $11 + 10 x $15

3. output the array of workers structures

4. count the numbr of workers who have worked overtime. Return answer through function call

struct worker{
   int idNumber;
   int hoursWorked;
   double hourlyRate;
   double earned;
};

Explanation / Answer

#include <iostream>

using namespace std;

int totalSize = 5, numAllocated = 0, int Normal_Hours = 40;

struct worker{
   int idNumber;
   int hoursWorked;
   double hourlyRate;
   double earned = 0;
};

void doubleSize(worker *&arr){
   totalSize *= 2;
   worker *newarr = new worker[totalSize];
   for (int i = 0; i < numAllocated; ++i){
       newarr[i] = arr[i];
   }
   arr = newarr;
}

void addWorker(worker *&arr){
   if (totalSize == numAllocated){
       doubleSize(arr);
   }
   int id;
   int flag = 0;
   cout << "idNumber of the worker is: ";
   cin >> id;
   arr[numAllocated].idNumber;
   for (int i = 0; i < numAllocated; ++i){
       if (id == arr[i].idNumber){
           flag = 1;
           break;
       }
   }
   if (flag){
       cout << id << " Already Exists" << endl;
   }
   else{
       arr[numAllocated].idNumber = id;
       cout << "Hours Worked: ";
       cin >> arr[numAllocated].hoursWorked;
       cout << "Hourly Rate: ";
       cin >> arr[numAllocated].hourlyRate;
       numAllocated++;
   }
}

void WageEarned(worker *arr){
   if (numAllocated == 0){
       cout << "Array is Empty" << endl;
       return;
   }
   for (int i = 0; i < numAllocated; ++i){
       if (arr[i].hoursWorked > 40){
           arr[i].earned = (40 * 11) + ((arr[i].hoursWorked - 40) * 15);
       }
       else{
           arr[i].earned = arr[i].hourlyRate * arr[i].hoursWorked;
       }
   }
}

void outputWorkers(worker *arr){
   if (numAllocated == 0){
       cout << "Array is Empty" << endl;
       return;
   }
   for (int i = 0; i < numAllocated; ++i){
       cout << "Worker id: " << arr[i].idNumber << endl;
       cout << "HoursWorked: " << arr[i].hoursWorked << endl;
       cout << "HourlyRate: " << arr[i].hourlyRate << endl;
       cout << "WageEarned: " << arr[i].earned << endl;
       cout << endl << endl;
   }
}

int countOvertimeWorked(worker *arr){
   int hours = 40;
   if (numAllocated == 0){
       cout << "Array is Empty" << endl;
       return -1;
   }
   int count = 0;
   for (int i = 0; i < numAllocated; ++i){
       if (arr[i].hoursWorked > hours){
           count++;
       }
   }
   return count;
}

int main(){
   int Normal_hours = 4;
   int option;
   worker *arr = new worker[totalSize];
   while (true){
       cout << "Enter 1 to add Worker" << endl;
       cout << "Enter 2 to display Workers" << endl;
       cout << "Enter 3 to Count Number of overWorked Workers" << endl;
       cout << "Enter 4 to calculate Wages" << endl;
       cout << "Enter 5 to exit" << endl;
       cin >> option;
       switch (option){
       case 1:
           addWorker(arr);
           break;
       case 2:
           outputWorkers(arr);
           break;
       case 3:
           cout << "Enter Normal Work Rate: ";
           cin >> Normal_hours;
           cout << "Number of Workers worked overtime are " << countOvertimeWorked(arr) << endl;
           break;
       case 4:
           WageEarned(arr);
           cout << "Wages Calculated" << endl;
           break;
       case 5:
           return 0;
       default:
           cout << "Invalid Input" << endl;
           break;
       }
   }
   return 0;
}

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