void MergePairs(List <PairingHeap <T> > l)
{
if (l.Count == 0)
{
return;
}
else if (l.Count == 1)
{
if (root == null)
{
root = l[0].root;
}
else
{
root.item = l[0].root.item;
root.priority = l[0].root.priority;
}
children = l[0].children;
}
else
{
PairingHeap <T> aux = new PairingHeap <T>();
aux.Merge(l[0]);
aux.Merge(l[1]);
PairingHeap <T> aux2 = new PairingHeap <T>();
aux2.MergePairs(l.GetRange(2, l.Count - 2));
aux.Merge(aux2);
if (root == null)
{
root = aux.root;
}
else
{
root.item = aux.root.item;
root.priority = aux.root.priority;
}
children = aux.children;
}
}