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

class Adresa {
    private: char* str;
             int nr;

    public:
			Adresa(){
			}

            Adresa(char* c, int n):nr(n){ //se apeleaza pseudoconstructorul pentru nr de tip int;
                                          //pseudoconstructorii se folosesc pentru initializarea tipurilor de date de baza
                 if (c==NULL) str=NULL;
                 else{
				     str=new char[(strlen(c))+1];
                     strcpy(str,c);
				 }

            }

			Adresa(const Adresa&p){
                 str=NULL;
			     *this=p; //reutilizez codul scris in operator=
			}

            Adresa& operator=(const Adresa &p) {
                 if(this!=&p){
                     if (str!=NULL) delete [] str;
                     str=new char[strlen(p.str)+1];
                     strcpy(str,p.str);
                     nr=p.nr;
                  }
                 return *this;
            }

            ~Adresa(){
            	if (str!=NULL) delete[]str;
			}

            friend ostream& operator<<(ostream &dev,const Adresa &p){
                     if  (p.str!=NULL) dev<<"Strada: "<<p.str<<endl;
                     dev<<"Nr. : "<<p.nr<<endl<<endl;
                     return dev;
            }
};