Egz

#include <iostream>




template <typename T>
class Vector{
    T* ptr;
    int size;
    int curr;
public:
    Vector(){
        this->size = 2;
        this->ptr = new T[this->size];
        this->curr = 0;
    }
    ~Vector(){
        delete [] this->ptr;
    }
    void add(T &t){
        ++this->curr;
        if (this->curr>this->size){
            this->size=this->size+100;
            T* tmp = new T[this->size];
            for (int i = 0; i < this->curr; ++i) {
                tmp[i]=this->ptr[i];
            }
            delete this->ptr;
            this->ptr=tmp;
        }
        this->ptr[curr]=t;
    }

    Vector(const Vector &prev) {

        this->size=prev.size;
        this->curr=prev.curr;
        this->ptr = new T[this->size];
        for (int i = 0; i < this->curr; ++i) {
            this->ptr[i]=prev.ptr[i];
            std::cout << this->ptr[i]<<", ";
        }
        std::cout << std::endl<<"copy ended"<<std::endl;
    }

};



int main() {
    Vector <int>vec;
    Vector <int>ve(vec);
    int n = 2;
    vec.add(n);
    vec.add(n);
    vec.add(n);
    vec.add(n);
    vec.add(n);
    return 0;
}