#include <iostream>

using namespace std;

class Link
{
    Link *next_;
    int *value_;
public:

    Link(Link *next, int *value)
    {
        next_=next;
        value_=value;
    }

    int *getValue()
    {
        return value_;
    }

    Link *getNext()
    {
        return next_;

    }

    void setNext(Link *link)
    {
        next_=link;
    }


};

class Lista{
Link *first_;

Link *current_;

public:

    Lista()
    {
        first_=nullptr;
    }

void display()
{
    Link *temp;
    temp=first_;
    while(temp!=nullptr)
    {
    cout<< *temp->getValue()<<" ";
    temp=temp->getNext();

    }

}

void dodaj(int *toAdd)
    {
       first_=new Link (first_, toAdd);
    }

void init()
{
    current_=first_;
}

void removeFirst()
{
    Link *temp;
    temp=first_;
    first_= first_->getNext();
    delete temp;
}




void usun(int toDel)

{

    while((first_!=nullptr )  && (*first_->getValue()!= toDel))
    {
          removeFirst();
    }
        init();
        Link *next;
        Link *next_v2;
    while(current_!=nullptr)
    {
         next=current_->getNext();
        if(*next->getValue()==toDel)
        {

            next_v2=next;
            current_->setNext(next->getNext());

            delete next_v2;
        }
        else
        {
            current_=current_->getNext();

        }

    }

}



};












int main()
{
Lista lista;




lista.dodaj(new int(5));
lista.dodaj(new int(10));

lista.display();
cout<<endl;
lista.usun(5);

lista.display();
    return 0;
}