shit af

#include <iostream>
#include <cmath>
//#include <string>
#include <cstdlib>
#include<utility>

using namespace std;

class Container
{
private:
    int m_size;
    int *m_array;
    int m_counter;

public:
    Container(int size) : m_size(size)
    {
        m_array = new int[m_size];
        m_counter = 0;
    }

    //kopiujacy
    Container(const Container &container)
    {
        m_counter = container.m_counter;
        m_size = container.m_size;
        m_array = new int[m_size];
        m_array = container.m_array;
    }

    //przenoszacy
    Container(Container &&con)
    {
        m_counter = con.m_counter;
        m_size = con.m_size;
        m_array = new int[m_size];
        for(int i=0; i<m_size; i++)
        {
            m_array[i]=con.m_array[i];
        }
        con.m_counter = 0;
        con.m_size = 0;
        //container.m_array = nullptr;
    }

    ~Container()
    {
        delete[] m_array;
    }

    void displayArray()
    {
        for (int i = 0; i < m_counter; ++i)
        {
            cout << m_array[i] << ' ';
        }
    }

    void changeSize(int size)
    {
        int *array = new int[size];
        if (size >= m_size)
        {
            for (int i = 0; i < m_size; ++i)
                array[i] = m_array[i];
        }
        else
        {
            for (int i = 0; i < size; ++i)
                array[i] = m_array[i];
            m_counter -= (m_size - size);
        }

        //m_tablica = tablica;
        m_size = size;
        delete[] array;
    }

    void addItem(int item)
    {
        if (m_counter >= m_size)
        {
            int *array = new int[m_size + 1];
            for (int i = 0; i < m_size; ++i)
                array[i] = m_array[i];

            ++m_size;
            delete[] array;
            m_array[m_counter] = item;
            ++m_counter;
        }
        else
        {
            m_array[m_counter] = item;
            ++m_counter;
        }
    }

    void deleteItem(int index)
    {
        if ((index < 0) || (index > (m_counter - 1)))
        {
            for (int i = index; i < m_counter; i++)
            {
                m_array[i] = m_array[i + 1];
            }
            m_array[m_counter] = 0;
        }
        else
        {
            --m_counter;
            for (int i = index; i < m_counter; i++)
            {
                m_array[i] = m_array[i + 1];
            }
            m_array[m_counter] = 0;
        }
    }


    int getCounter() { return m_counter; }
    int getSize() { return m_size; }
    int* getArray() { return m_array; }
};



int main()
{
    /*Container container2(3);
    container2.addItem(1);
    container2.addItem(2);
    container2.addItem(3);
    container2.displayArray();
    container2.deleteItem(0);
    container2.displayArray();
    container2.addItem(2);
    container2.displayArray();
    */

    cout << "Enter array size ";
    int N;
    cin >> N;
    Container container(N);

    cout << "How many elements do you want to enter?";
    int H;
    cin >> H;
    for (int i = 0; i < H; ++i)
    {
        int A;
        cin >> A;
        container.addItem(A);
    }


    Container cpy_container(container);
    cout << "Enter size of the copy ";
    int M;
    cin >> M;
//  cpy_container.changeSize(M);

    cout << "How many elements do you want to delete?" << endl;
    int K;
    cin >> K;

    for (int i = 0; i < K; ++i)
    {
        cout << "Enter index of deleting item: ";
        int index;
        cin >> index;
        cpy_container.deleteItem(index);
    }

    Container new_container(std::move(container));

    container.displayArray();
    cout << " ";
    cpy_container.displayArray();
    cout << " ";
    new_container.displayArray();

    return 1;
}