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;
}