private void SwapElements(int firstIndex, int secondIndex)
{
HeapNode tmp = elements[firstIndex];
elements[firstIndex] = elements[secondIndex];
elements[secondIndex] = tmp;
}
public void Delete(HeapNode item)
{
int i = elements.IndexOf(item);
int last = elements.Count - 1;
elements[i] = elements[last];
elements.RemoveAt(last);
OrderHeap();
}
public HeapNode ExtractMin() //Pop
{
if (elements.Count > 0)
{
HeapNode item = elements[0];
Delete(item);
return(item);
}
return(null);
}
public void Insert(HeapNode item)
{
elements.Add(item);
OrderHeap();
}
