/// <summary>
/// Helper method to balance heaps after each addition.
/// </summary>
/// <param name="lowerHeap"></param>
/// <param name="upperHeap"></param>
public static void Balance(MaxHeap lowerHeap, Heap upperHeap)
{
while (lowerHeap.Size > 0 && upperHeap.Size > 0 && lowerHeap.Peek() > upperHeap.Peek())
{
int lowHead = lowerHeap.Poll();
int highHead = upperHeap.Poll();
upperHeap.Add(lowHead);
lowerHeap.Add(highHead);
}
}