Списки

#include <iostream.h> 
#include <conio.h> 
const int len=80; 
class persona 
{ 
private: 
char name[len]; 
unsigned long num; 
public: 
persona(); 
~persona(); 
void getdata() 
{ 
cout<< "\n Vvedit fio: \n"; 
cin >> name; 
cout << "\n Vvedit nomer: \n"; 
cin >> num; 
} 
virtual void putdata() const 
{ 
cout << "\n fio: " << name; 
cout<< "\n Number: "<<num; 
} 
}; 
persona::persona() 
{ 
cout<<"element was created "; 
}  ; 
persona::~persona() 
{ 
cout<<"element destroy!\n" ; 
}; 
 
class injener: public persona 
{ 
private: 
int staj; 
public: 
void getdata () 
{ 
persona::getdata(); 
cout<< "\n Vvedit staj: \n"; 
cin >> staj; 
} 
void putdata() const 
{ 
persona::putdata(); 
cout << "\n staj: " << staj; 
} 
}; 
 
 
class robitnuk: public persona 
{ 
private: 
int rozr9d; 
public: 
void getdata () 
{ 
persona::getdata(); 
cout << "\n Vvedit rozr9d robitnuka : \n"; 
cin >> rozr9d; 
} 
void putdata() const 
{ 
persona::putdata(); 
cout<< "\n rozr9d: "<<rozr9d; 
} 
}; 
 
class slujb: public robitnuk 
{ 
private: 
char rang[len]; 
public: 
void getdata () 
{ 
persona::getdata(); 
cout<< "\n Vvedit rang: \n"; 
cin >> rang; 
} 
void putdata() const 
{ 
persona::putdata(); 
cout << "\n rang: " << rang; 
} 
}; 
 
 
struct Element 
{ 
persona data; 
Element *Next; 
}; 
class List 
{ 
Element *Head; 
Element *Tail; 
int Count; 
public: 
List(); 
~List(); 
void Add(persona data); 
void Del(); 
void DelAll(); 
void Print(); 
int GetCount(); 
}; 
List::List() 
{ 
Head=Tail=NULL; 
Count=0; 
}; 
List::~List() 
{ 
DelAll(); 
}; 
int List::GetCount() 
{ 
return Count; 
}; 
void List::Add(persona data) 
{ 
 
Element *temp=new Element; 
temp->data=data; 
temp->Next=NULL; 
if(Head!=NULL) { 
Tail->Next=temp; 
Tail=temp; 
} 
else { 
Head=Tail=temp; 
} 
}; 
void List::Del() 
{ 
Element *temp = Head; 
Head=Head->Next; 
delete temp; 
}; 
void List::DelAll() 
{ 
while(Head !=0) 
Del(); 
}; 
void List::Print() 
{ 
Element *temp=Head; 
while(temp!=0) 
{ 
cout<< temp <<"\n "; 
temp=temp->Next; 
} 
cout<<"\n\n"; 
}; 
 
int main() 
{ 
char a; 
List lst; 
persona *p; 
while (a!='Y') 
{ 
cout<<"Vvestu dani (Y/N)? "; 
cin>>a; 
slujb s1; 
robitnuk r1; 
injener i1; 
cout<< endl; 
cout <<"\n Vvedit informatsii pro slujbovts9"; 
s1.getdata(); 
cout <<"\n Vvedit informatsii pro robitnuka"; 
r1.getdata(); 
cout <<"\n Vvedit informatsii pro injenera"; 
i1.getdata(); 
} 
 
 return(0); 
 
}