Generating unique random numbers
Robert van Herk
rherk at cs.uu.nl
Tue Jun 14 10:36:52 EDT 2005
Is it possible to generate random numbers that are "unique" in O(1) in
I mean something like the GUID-thingy Windows uses.
Of course, I could create unique numbers by incrementing a global value,
but for security reasons I need random numbers. Also, I could use a list
of numbers already in use, but this would mean that I'd not be able to
generate a new number in O(1).
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