#include <iostream>

using namespace std;


class Vectori_de_vectori;

class Vector
{
    int dim;
    int *v;
    friend class Vectori_de_vectori;
public:

    Vector()
    {
        dim = 0;
        v = new int[0];
    }

    Vector(int dimensiune,int nr)
    {
        dim = dimensiune;
        v = new int[dim + 1];
        for(int i = 0; i < dimensiune; i++)
            v[i] = nr;
    }

    Vector(Vector &x)
    {
          dim = x.dim;
          v = new int [dim + 1];
          for(int i = 0; i < dim; i++)
            v[i] = x.v[i];
    }
    ~Vector()
    {
        dim = 0;
        delete[] v;
    }
    int actualizeazaComponente(int numarElemente,int element)
    {
        delete[] v;
        dim = numarElemente;
        v = new int [dim + 1];
        for(int i = 0; i < dim; i++)
            v[i] = element;
        return 0;
    }
    Vector& operator=(Vector &x);

    int suma(Vector&);

    void max_si_poz(Vector&);

    void sortare(Vector&);

    int operator*(Vector &y)
    {
      int produs = 0;
      for (int i = 0; i < this->dim; i++)
        produs = produs + this->v[i] * y.v[i];
      return produs;
    }
    friend istream& operator>>(istream &t,Vector &x);
    friend ostream& operator<<(ostream &r,Vector &x);
};

istream& operator>>(istream & t,Vector &x)
{
      t >> x.dim;
      for(int i = 0; i < x.dim; i++)
        t >> x.v[i];
      return t;
}

ostream& operator<<(ostream& r,Vector &x)
{
      r << x.dim;
      r << endl;
      for(int i = 0; i < x.dim; i++)
        r << x.v[i] << " ";
      return r;
}

Vector& Vector::operator=(Vector &x)
{
    if(this != &x)
    {
        delete[] v;
        dim = x.dim;
        v = new int [dim + 1];
        for(int i = 0; i < dim; i++)
            v[i] = x.v[i];
      }
    return *this;
}

int Vector::suma(Vector &x)
{
      int s = 0;
      for(int i = 0; i < x.dim; i++)
        s = s + x.v[i];
      return s;
}

void Vector::max_si_poz(Vector &x)
{
       int max = 0,poz = 0;
       for(int i = 0; i < x.dim; i++)
        if(x.v[i] > max)
        {
           max = x.v[i];
           poz = i;
        }
       cout << max << " " << poz;
}

void Vector::sortare(Vector &x)
{
      int aux;
      for(int i = 0; i < x.dim - 1; i++)
        for(int j = i + 1; j < x.dim; j++)
          if(x.v[i] > x.v[j])
            {
                aux = x.v[i];
                x.v[i] = x.v[j];
                x.v[j] = aux;
            }
}



class Vectori_de_vectori
{
    int dim1;
    Vector *v1;
  public:
    Vectori_de_vectori()
    {
      dim1 = 0;
      v1=new Vector[0];
    }


    Vectori_de_vectori(int numar,int componenta)
         {
             dim1 = numar;
        v1 = new Vector[dim1 + 1];
        for(int i = 0; i < dim1; i++)
        {
            v1[i].v = new int[1];
            v1[i].v[0] = componenta;
        }
        }

        Vectori_de_vectori(Vectori_de_vectori &x)
        {
            dim1 = x.dim1;
            v1 = new Vector [dim1 + 1];
            for(int i=0; i < dim1; i++)
            for(int j=0; j < x.v1[i].dim; j++)
                v1[i].v[j]=x.v1[i].v[j];

        }

        ~Vectori_de_vectori()
    {
        dim1 = 0;
        delete[] v1;
    }

    void creare_matrice(Vectori_de_vectori&);

    friend istream& operator>>(istream &t,Vectori_de_vectori &x);
    friend ostream& operator<<(ostream &r,Vectori_de_vectori &x);

    Vectori_de_vectori& operator+(Vectori_de_vectori&);


};

void Vectori_de_vectori::creare_matrice(Vectori_de_vectori &x)
  {
      int maxim = 0,**matrice;
      for(int i = 0; i < x.dim1; i++)
            if(maxim < x.v1[i].dim)
                maxim = x.v1[i].dim;
      matrice= new int*[x.dim1 + 1];
      for(int i = 0; i < x.dim1; i++)
            matrice[i] = new int[maxim+1];
      for(int i = 0; i < x.dim1; i++)
        for(int j = 0; j < x.dim1; j++)
              matrice[i][j]=0;
      for(int i = 0; i < x.dim1; i++)
        for(int j = 0; j < x.v1[i].dim; j++)
              matrice[i][j]=x.v1[i].v[j];
         for(int i = 0; i < x.dim1; i++)
            {
                for(int j = 0; j < x.v1[i].dim; j++)
                cout<<x.v1[i].v[j]<<" ";
                cout<<endl;
            }
  }




istream& operator>>(istream & t,Vectori_de_vectori &x)
{
      t >> x.dim1;
      for(int i = 0; i < x.dim1; i++)
        t >> x.v1[i];
      return t;
}
ostream& operator<<(ostream& r,Vectori_de_vectori &x)
{
      r << x.dim1;
      r << endl;
      for(int i = 0; i < x.dim1; i++)
        r << x.v1[i] << " ";
      return r;
}

Vectori_de_vectori& Vectori_de_vectori::operator+(Vectori_de_vectori & x)
{
    int maxim1=0,maxim2=0,maxim,maxlin;
    for(int i = 0; i < x.dim1; i++)
            if(maxim1 < x.v1[i].dim)
                maxim1 = x.v1[i].dim;
    for(int i = 0; i < this.dim1; i++)
            if(maxim2 < this.v1[i].dim)
                maxim2 = this.v1[i].dim;
    maxim=max(maxim1,maxim2);
    maxlin=max(x.dim1,this.dim1);
    Vectori_de_vectori suma_matrice;

    suma_matrice.dim1=maxlin;


}


int maxim = 0,**matrice;
      for(int i = 0; i < x.dim1; i++)
            if(maxim < x.v1[i].dim)
                maxim = x.v1[i].dim;
      matrice= new int*[x.dim1 + 1];
      for(int i = 0; i < x.dim1; i++)
            matrice[i] = new int[maxim+1];
      for(int i = 0; i < x.dim1; i++)
        for(int j = 0; j < x.dim1; j++)
              matrice[i][j]=0;
      for(int i = 0; i < x.dim1; i++)
        for(int j = 0; j < x.v1[i].dim; j++)
              matrice[i][j]=x.v1[i].v[j];














int main()
{
    Vector v;
    Vector v2(2,3);
    cout << v2 << '\n';
    cout << v << '\n';
    return 0;
}