INHERITANCE

#include <iostream>
#include <string.h>
//#include <stdio.h>
using namespace std;
int z=101;
int c=0;
class emp
{   static int n;
    int eid, salary;  
    char nm[10];
public :
    emp()
    { 
        c++;
        eid=n++;
        salary=0;
        strcpy (nm,"no_name");
    }
    emp(char *name, int s)
    {
        c++;
        eid=n++;
        strcpy (nm, name);
        salary=s;
    }
    static void id(int a)
    {
        n=a;
    }
    void setnm(char* a)
    {strcpy(nm, a);}
    void sets(int s)
    {salary=s;}
    char* getnm()
    {return nm;}
    int gets()
    {return salary;}
    int geteid() 
    {return eid;}
  void employee(char *m, int s)
    {
         strcpy (nm, m);
         salary=s;
    }
  void display()
     {
         cout<<"\n employees id is :"<<eid;
         cout<<"\n employees name is :"<<nm;
     cout<<"\n employees salary is :"<<salary<<"\n";
     }

 };
class Salesmanager : public emp
{
    int target;
    int incentive;

public :

    Salesmanager():emp()
    {
        target=0;
        incentive=0;
    }
    Salesmanager(char* nm,int s,int t,int in):emp(nm,s)
    {
        target=t;
        incentive=in;
    }

    void setTarget(int t)
    {
   
    }
    int getTareget()
    {
        return target;
    }
    void setIncentive(int i)
    {
        incentive=i;
    }
    int getIncentive()
    {
        return incentive;
    }

    void display()
    {
        emp ::display();
        cout << "\n target is : "<<target;
        cout<< "\n incentive is : "<< incentive;
    }
};//Salemanager ends here

class admin : public emp
{
    int allowence;
public:
    admin()
    {
        allowence=0;
    }
    admin(char *nm, int s,int all):emp(nm,s)
    {
        allowence=all;
    }
    void setall(int a)
    {
        allowence=a;
    }
    int setall()
    {
        return allowence;
    }
    void display()
    {
    emp ::display();
    cout << "\n allowence is : "<<allowence;
    }
};
}
void main()
{
Employee* ep;
Employee e1(101,"sachin",2000);
ep=&e1
    ep->display();
Salesmanager s1(102,"sachin",2000,200,20);
ep=&s1
    ep->display();

s1.setName("Sachin");
s1.display();

Salesmanager s2(102,"Ashutosh",15000,5000,500);
s2.display();

s2.setSal(25000);
s2.display();
}