Write a program for employees database

Write a program for employees database

PROGRAM:

#include<iostream>
#include<stdio.h>
#include<stdlib.h>
using namespace std;
class staff{
    int code;
    char name[10];
    public:
        void set_details(){
        cout<<"Enter code : ";
        cin>>code;
        cout<<"Enter Name : ";
        cin>>name;
        }
        void get_details(){
        cout<<"\ncode : "<<code<<"\t"<<"name : "<<name;
        }
};
class edu:public staff{
    char educat[10];
public:
    void set_edu(){
    cout<<"\nEnter qualification :"<<endl;
    cin>>educat;
    }
    void get_edu(){
    cout<<"\nqualification : "<<educat;
    }
};

class officer:public edu{
    char grade[2];
public:
    void set_grade(){
    cout<<"Enter grade : ";
    cin>>grade;
    }
    void get_grade(){
    cout<<"\ngrade : "<<grade;
    }
};
class typist:public staff{
    float speed;
public:
    void set_speed(){
        cout<<"Enter speed of typist : ";
        cin>>speed;
    }
    void get_speed(){
        cout<<"\nspeed :"<<speed;
    }
};
class regular:public typist{
    int payment;
public:
    void set_pay(){
       cout<<"Enter payment of typist : ";
       cin>>payment;
    }
    void get_pay(){
        cout<<"\npayment :"<<payment;
    }
};
class casual:public typist{
    int daily_wags;
public:
    void set_wags(){
       cout<<"Enter daily_wags of typist : ";
       cin>>daily_wags;
    }
    void get_wags(){
        cout<<"\nwags : "<<daily_wags;
    }
};
class teacher:public edu{
    char sub[10],pub[10];
public:
    void set_teadata(){
       cout<<"Enter subject and publication teacher teaching : ";
       cin>>sub>>pub;
    }
    void get_teadata(){
       cout<<"\nsub : "<<sub<<"\t"<<"pub : "<<pub;
    }
};
int main(){
    officer o[10];
    teacher t[10];
    casual c[10];
    regular r[10];
    int choice;
    int i=0,j=0,k=0,l=0;
    char ch;
    do{
    cout<<"\n1.officer database \n2.teacher database\n3.casual typist database\n4.regular typist database \n5.Database\nEnter choice : ";
    cin>>choice;
    switch(choice){
    case 1:
        o[i].set_details();
        o[i].set_grade();
        o[i].set_edu();
        i++;
        break;

    case 2:
        t[j].set_details();
        t[j].set_teadata();
        t[j].set_edu();
        j++;
        break;

    case 3:
        c[k].set_details();
        c[k].set_speed();
        c[k].set_wags();
        k++;
        break;

    case 4:
        r[l].set_details();
        r[l].set_speed();
        r[l].set_pay();
        l++;
        break;
    case 5:
        if(i>0){
        cout<<"\n Officer details\n"<<endl;
        for(int a=i-1;a>=0;a--){
            o[a].get_details();
            o[a].get_grade();
            o[a].get_edu();
        }}
        if(j>0){
        cout<<"\n teacher details\n"<<endl;
        for(int a=j-1;a>=0;a--){
            t[a].get_details();
            t[a].get_teadata();
            t[a].get_edu();
        }}
        if(k>0){
        cout<<"\n casual typist details\n"<<endl;
        for(int a=k-1;a>=0;a--){
            c[a].get_details();
            c[a].get_speed();
            c[a].get_wags();
        }}
        if(l>0){
            cout<<"\n regular typist details\n"<<endl;
        for(int a=l-1;a>=0;a--){
            r[a].get_details();
            r[a].get_speed();
            r[a].get_pay();
        }}
        //i++;j++;k++;l++;
        break;


    default:
        cout<<"\n Wrong choice\n";
        break;
    }
    cout<<"\n Enter 'y' to continue : ";
    cin>>ch;
    system("CLS");
        }while(ch=='y');

return 0;
}