Класс-вектор в С++

#include <tchar.h>
#include <conio.h>
#include <iomanip.h>
#include <iostream.h>
#include <stdio.h>
//----------------------------------------------------
class BaseVector
{
public:
  int x;
public:
BaseVector(void){int x=0;}
  BaseVector(int ax){x=ax;}
 // ~BaseVector(void){}; /*DESTR*/
};
//----------------------------------------------------
class Vector:public BaseVector
{
private: 
public:
  Vector(void):BaseVector(){}; 
  Vector(int a):BaseVector(a){};
  //~Vector(void){}; /*DESTR*/
  friend Vector operator*( Vector &, Vector &);
  friend Vector operator+( Vector &, Vector &);
  friend ostream & operator<<( ostream &, Vector &);
};
//----------------------------------------------------
void main()
{
 int n;
cout<<"Vvedit' n: ";
cin>>n;
 int i;
 Vector *V1=new Vector[n];
 Vector *V2=new Vector[n];
 Vector *V3=new Vector[n];       //Proizv
 Vector *V4=new Vector[n];       //Sl    
 //Vvod
cout<<"Elementu vektrora V1:\n";
 for (i = 0; i < n; i++) {
    cout<<"V1["<<i<<"]:";
    int a;
    cin>>a;
    V1[i].x=a;
 }
cout<<"Elementu vektrora V2:\n";
 for (i = 0; i < n; i++) {
    cout<<"V2["<<i<<"]:";
    int a;
    cin>>a;
    V2[i].x=a;
 }
//Vivod Rezultata
cout<<"Rezultat:"<<"\n";
 for (i = 0; i < n; i++) 
 {
 V3[i]=V2[i]*V1[i];
 cout<<"V3["<<i<<"]="<<V3[i];
 }
cout<<"--------"<<"\n";
 for (i = 0; i < n; i++) 
{
 V4[i]=V2[i]+V1[i];
 cout<<"V4["<<i<<"]="<<V4[i];
 }
 cin.get();
 cin.get();
}
//----------------------------------------------------
ostream & operator<<( ostream & os, Vector &a){
  os<<a.x<<"\n";
 return os;
}
//---------------------------------------------------------------------------
Vector operator+( Vector &a, Vector &b)
{Vector tmp;
int i;
   tmp.x=a.x+b.x;
return(tmp);
}
//---------------------------------------------------------------------------
Vector operator*( Vector &a, Vector &b)
{Vector tmp;
int i;
   tmp.x=a.x*b.x;
return(tmp);
}
//---------------------------------------------------------------------------

Vector tmp;

V1[i].x=a;

ostream & operator<<( ostream & os, Vector &a){
  os<<a.x<<"\n";
 return os;
  }