OPP use of enum

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Object:

Extend the employee class of Exercise 4 to include a date class (see Exercise 5) and an
etype enum (see Exercise 6 in Chapter 4). An object of the date class should be used to
hold the date of first employment; that is, the date when the employee was hired. The
etype variable should hold the employee’s type: laborer, secretary, manager, and so on.
These two items will be private member data in the employee definition, just like the
employee number and salary. You’ll need to extend the getemploy() and putemploy()
functions to obtain this new information from the user and display it. These functions will
probably need switch statements to handle the etype variable. Write a main() program that
allows the user to enter data for three employee variables and then displays this data.

Source code

 #include <iostream>
using namespace std;
#include <string>
#include <stdio.h>

class employee
{
private:
    int day,month,year;
  
public:
    int etype;
    char status[20];
    employee()
    {
    day=0;
    month=0;
    year=0;
    etype;
    }
  
    void years (int c)
    {
    year=year+c;
    }


    void days(int a)
    {
        day=a;
    if (day>30)
     {
        month=month+1;
        day=day-12;
     }

    }

    void months(int b)
    {
        month=b;
        if(month>12)
        {
        year=year+1;
        month=month-12;
        }
    }
  
    void show(int type)
    {
        cout<<"Employee type: "<<endl;
        if (type==1)
        {
            cout<<"Manager"<<endl;
        }
        if(type==2)
        {
            cout<<"Secetry"<<endl;
        }
        if(type==3)
        {
            cout<<"Labour"<<endl;
        }
        cout<<"Date of Hire"<<endl;
        cout<<day<<" : "<<month<<" : "<<year<<endl;
  
  
    }
    };

void main()
{
    /*int em,day,month,year,type;
    employee emp[25];
    enum types{Manager,Secetary,Labour};
    cout<<"Enter number of Employee"<<endl;
    cin>>em;
    for(int e=0;e<em;e++)
    {
        cout<<"Enter status of employee"<<endl;
        cout<<"1-Manager\n";
        cout<<"2-Secetary\n";
        cout<<"3-Labour\n";
        cin>>type;

        cout<<"Enter Date Hire"<<endl;
        cout<<"Enter Day"<<endl;
        cin>>day;
        cout<<"Enter month"<<endl;
        cin>>month;
        cout<<"Enter year"<<endl;
        cin>>year;
  
    emp[e].days(day);
    emp[e].months(month);
    emp[e].years(year);
    emp[e].show(type);
    }

Output: