private ArrayList<Element> removeEquationFromList(
ArrayList<Element> list, ArrayList<Element> equationElement) {
for (Element element : equationElement) list.remove(element);
return list;
}
private ArrayList<Element> sortList(ArrayList<Element> list) {
ArrayList<Element> listSorted = new ArrayList<>();
ArrayList<Element> elements = new ArrayList<>(Element.values());
for (Element element : elements)
while (list.contains(element)) {
list.remove(element);
listSorted.add(element);
}
return listSorted;
}
private boolean listContainsEquation(
ArrayList<Element> list, ArrayList<Element> equationElement) {
ArrayList<Element> listClone = list.clone();
for (Element element : equationElement) {
if (listClone.contains(element)) listClone.remove(element);
else return false;
}
return true;
}
public boolean isPerfectPosition(ArrayList<Element> list) {
for (ArrayList<Element> pPosition : this.perfectPositions) {
if (pPosition.size() != list.size()) continue;
ArrayList<Element> listTemp = list.clone();
boolean notFound = false;
for (Element element : pPosition)
if (listTemp.contains(element)) listTemp.remove(element);
else notFound = true;
if (notFound) continue;
if (!listTemp.isEmpty()) continue;
return true;
}
return false;
}
public final void remove(int index) {
lines.remove(index);
}