#include<iostream>
using namespace std;
#include<conio.h>
#include<string>
class person
{
public:
virtual void getdata()=0;
virtual void showdata()=0;
};
class student:public person
{
protected:
string rol,gpa;
string ag,nm;
public:
void getdata()
{
cout<<"Enter name :";
cin>>nm;
cout<<"Enter age :";
cin>>ag;
cout<<"Enter enrollment number :";
cin>>rol;
cout<<"Enter GPA :";
cin>>gpa;
}
void showdata()
{
cout<<"Name is : "<<nm<<endl;
cout<<"Age is : "<<ag<<endl;
cout<<"Enrollment number is :"<<rol<<endl;
cout<<"GPA of student is :"<<gpa<<endl;
}
string chk()
{
return nm;
}
};
class employee:public person
{
protected:
string id,ag,nm;
public:
void getdata()
{
cout<<"Enter name :";
cin>>nm;
cout<<"Enter age :";
cin>>ag;
cout<<"Enter id :";
cin>>id;
}
void showdata()
{
cout<<"Name is : "<<nm<<endl;
cout<<"Age is : "<<ag<<endl;
cout<<"Id is : "<<id<<endl;
}
};
class lecturer:public employee
{
protected:
string pub,clpw;
public:
void getdata()
{
employee::getdata();
cout<<"Enter number of publications :";
cin>>pub;
cout<<"Enter classes per week :";
cin>>clpw;
}
void showdata()
{
employee::showdata();
cout<<"Number of publications is : "<<pub<<endl;
cout<<"Classes per week : "<<clpw<<endl;
}
string chk()
{
return nm;
}
};
class director:public employee
{
protected:
string ms,ys;
public:
void getdata()
{
employee::getdata();
cout<<"Enter maximum qualification :";
cin>>ms;
cout<<"Enter years of service : ";
cin>>ys;
}
void showdata()
{
employee::showdata();
cout<<"Maximum qualification is : "<<ms<<endl;
cout<<"Years of serice : "<<ys<<endl;
}
string chk()
{
return nm;
}
};
class clerk:public employee
{
protected:
string ovrtm,hrdt;
public:
void getdata()
{
employee::getdata();
cout<<"Enter Duty hours of clerk : ";
cin>>hrdt;
cout<<"enter Overtime of clerk : ";
cin>>ovrtm;
}
void showdata()
{
employee::showdata();
cout<<"Duty hours of clerk : "<<hrdt<<endl;
cout<<"Overtime of clerk : "<<ovrtm<<endl;
}
string chk()
{
return nm;
}
};
void main()
{
int a;
student obss;
lecturer obll;
clerk obcc;
director obdd;
cout<<"__________________Student Input________________"<<endl;
cout<<"Enter number of students : ";
cin>>a;
student *obd=new student[a];
for(int i=0;i<a;i++)
{
obd[i].getdata();
}
for(int d=0;d<a;d++)
{
for(int s=0;s<a;s++)
{
if(obd[d].chk()<obd[s].chk())
{
obss=obd[d];
obd[d]=obd[s];
obd[s]=obss;
}
}
}
cout<<"__________________Student Output________________"<<endl;
for(int k=0;k<a;k++)
{
obd[k].showdata();
}
cout<<"__________________Lecturer Input________________"<<endl;
cout<<"Enter number of lecturer`s ";
cin>>a;
lecturer *obl=new lecturer[a];
for(int i=0;i<a;i++)
{
obl[i].getdata();
}
for(int d=0;d<a;d++)
{
for(int s=0;s<a;s++)
{
if(obl[d].chk()<obl[s].chk())
{
obll=obl[d];
obl[d]=obl[s];
obl[s]=obll;
}
}
}
cout<<"__________________Lecturer Output________________"<<endl;
for(int k=0;k<a;k++)
{
obl[k].showdata();
}
cout<<"__________________Director Input________________"<<endl;
cout<<"Enter number of director`s ";
cin>>a;
director *ob=new director[a];
for(int i=0;i<a;i++)
{
ob[i].getdata();
}
for(int d=0;d<a;d++)
{
for(int s=0;s<a;s++)
{
if(ob[d].chk()<ob[s].chk())
{
obdd=ob[d];
ob[d]=ob[s];
ob[s]=obdd;
}
}
}
cout<<"__________________Director Output________________"<<endl;
for(int k=0;k<a;k++)
{
ob[k].showdata();
}
cout<<"__________________Clerk Input________________"<<endl;
cout<<"Enter number of clerk`s ";
cin>>a;
clerk *obc=new clerk[a];
for(int i=0;i<a;i++)
{
obc[i].getdata();
}
for(int d=0;d<a;d++)
{
for(int s=0;s<a;s++)
{
if(obc[d].chk()<obc[s].chk())
{
obcc=obc[d];
obc[d]=obc[s];
obc[s]=obcc;
}
}
}
cout<<"__________________Clerk Output________________"<<endl;
for(int k=0;k<a;k++)
{
obc[k].showdata();
}
cout<<"_________________________THANK YOU_________________________"<<endl;
getch();
}
