void LinkedList::insert(int position, int value) { ListElement * le = head; while(le->getNext() != nullptr && position > 0) { position--; le = le->getNext(); } if (position != 0) { std::cerr << "Error. The index is more then the length"; deleteList(); exit(0); } ListElement * newListEl = new ListElement(); newListEl->takeValue(value); newListEl->takeNext(le->getNext()); le->takeNext(newListEl); }
void LinkedList::deleteElement(int position) { ListElement * le = head; while(le->getNext() != nullptr && position > 0) { position--; le = le->getNext(); } if (le->getNext() == nullptr || position > 0) { std::cerr << "Error. The index is no element with this index"; deleteList(); exit(0); } ListElement * newListEl = le->getNext(); le->takeNext(le->getNext()->getNext()); delete newListEl; }