void Sznur::partRemove(int n) {
    if(head == nullptr) throw std::logic_error("Lista jest pusta");
    if(head->next == nullptr && head->value == n) delete head;
    Node* walker = head;
    Node* pred = nullptr;
    Node* succ = nullptr;

    while(true) {
        while(walker != nullptr && walker->next != nullptr && walker->next->value < n) {
            walker = walker->next;
        }


        pred = walker;
        walker = walker->next;

        Node* killer = nullptr;

        while(walker != nullptr && walker->value == n) {
            walker = walker->next;
        }
        succ = walker;
        walker = pred->next;

        while(walker != nullptr && walker != succ) {
            killer = walker;
            walker = walker->next;
            delete killer;
        }
        pred->next = succ;
       walker = (succ == nullptr) ? nullptr : succ->next;
       if(walker == nullptr) break;
    }



}