#include <iostream>

using namespace std;


// ELEMENTE ALOCATE DINAMIC IN CLASA => COPY CONSTRUCTOR
class Vector
{
private:
    int *v;
    int n;
public:
    Vector(int n)
    {
        this->n = n;
        v = new int[n];
    }
    Vector(const Vector& other)
    {
        cout << "Copy constructor\n";
        n = other.n;
        v = new int[n];
        for(int i = 0; i < n; i++)
        v[i] = other.v[i];
    }
    ~Vector()
    {
        delete[] v;
    };
    void setElement(int ind, int val)
    {
        v[ind] = val;
    }
    int getElement(int ind)
    {
        return v[ind];
    }
    int catePare()
    {
       int cnt = 0;
       for(int i = 0; i < n; i++)
            if(v[i] % 2 == 0)
                cnt++;
       return cnt;
    }
    void operator*=(int x)
    {
        for(int i = 0; i < n; i++)
            v[i] += x;
    }
    int& operator[](int x)
    {
        return v[x];
    }
    void operator=(const Vector& other)
    {
        cout << "operator=\n";
        delete[] v;
        n = other.n;
        v = new int[n];
        for(int i = 0; i < n; i++)
        v[i] = other.v[i];
    }
};


int main()
{
    Vector * a = new Vector(5);
    a->setElement(3, 12);
    cout << a->getElement(3);

    delete a;
    return 0;
}