"An unordered list can be made into a heap in O(n log n) time by walking from end to end doing the above O(log n) operation—so this is a relatively cheap O(n log n)."

Actually there is a better bound. Namely, you can turn an unordered list into a heap on just O(n) instead of O(n log n).

In reply to Re: A heap of medians: efficiency vs. speed by Anonymous Monk
in thread A heap of medians: efficiency vs. speed by kyle

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