Only if they are non-negative integers....

(Well, theoretically, for any set for which you have a fast, 1-to-1 mapping to the set of non-negative integers, this method will work. For instance, if all your members are negative integers, multiplying all members with -1 gives you positive integers to put inside the bit string)

In reply to Re^2: better union of sets algorithm? by Anonymous Monk
in thread better union of sets algorithm? by perrin

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