On Tue, Dec 08, 2009 at 03:22:47PM -0800, ataggart wrote:

>I would be very surprised if getting the first element from a sorted-
>set wasn't ~O(1).

As has been mentioned, it probably isn't if the set is a tree.

But, also, usually, in addition to getting the first element, we also
are going to want a set without the first element to represent the
rest of the data.

Both a sorted-set and a priority-queue are probably O(log n) for the
first/rest operation, but the constant factor is likely to be quite
different.

David

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