#include <iostream>

using namespace std;

class SimpleVector {

public:

    SimpleVector() : arr_(new int[10]), size_(10) {
        cout << "SimpleVector constructed for " << size_ << " elements, for " << this << endl;
    }

    SimpleVector(int size) : arr_(new int[size]), size_(size) {
        cout << "SimpleVector constructed for " << size_ << " elements, for " << this << endl;
    }

    SimpleVector(const SimpleVector& object) : arr_(new int[object.size_]), size_(object.size_) {
        for (int i = 0; i < size_; i++) {
            arr_[i] = object.arr_[i];
        };
        cout << "SimpleVector copy constructed for " << size_ << " elements, for " << this << endl;
    }

    SimpleVector& operator=(const SimpleVector& object) {
        if (!(this == &object)) {
            delete[] arr_;
            arr_ = new int[object.size_];
            size_ = object.size_;
            for (int i = 0; i < size_; i++) {
                arr_[i] = object.arr_[i];
            }
        }

        cout << "SimpleVector copy operator = for " << size_ << " elements, for " << this << endl;
        return *this;
    }

    SimpleVector(SimpleVector&& object) : arr_(object.arr_), size_(object.size_) {
        object.arr_ = nullptr;
        object.size_ = 0;
        cout << "SimpleVector move constructed for " << size_ << " elements, for " << this << endl;
    }

    SimpleVector& operator=(SimpleVector&& object) {
        if (!(this == &object)) {
            delete[] arr_;
            arr_ = object.arr_;
            size_ = object.size_;
            object.arr_ = nullptr;
            object.size_ = 0;
        }

        cout << "SimpleVector move operator = for " << size_ << " elements, for " << this << endl;
        return *this;
    }

    void print() const {
        for (int i = 0; i < 10; i++) {
            cout << arr_[i] << ' ';
        }
        cout << endl;
    }

    int& operator[] (int index) {
        if (index >= 0 && index < size_) {
            return arr_[index];
        }
    }

    ~SimpleVector() {
        delete[] arr_;
        cout << "SimpleVector destructed for " << size_ << " elements, for " << this << endl;;
    }

private:
    int* arr_;
    int size_;
};


SimpleVector VectorFactory(int arrSize) {
    srand(time(NULL));
    SimpleVector vec(arrSize);
    for (int i = 0; i < arrSize; i++) {
        vec[i] = rand() % 10;
    }
    return vec;
}

int main() {
    SimpleVector vec1; // имеется какой-то вектор
    vec1 = VectorFactory(1000000); // записываем в него результат работы какой-то функции (копируем временный объект)
    std::cout << "First 10 vec1 elements: ";
    vec1.print(); // выводим результат
}