> What is actually against calculating the valid permutations in advance? A try:

Runtime ...

from the OP

> > Both brute subroutines below aren't actually used: they are totally unusable for lists with ~15 unique strings or more, plus any decent amount of duplicates.

Your approach is even worse, instead of brute-forcing one random result, you try to brute-force all possible solutions in advance.

NB 15! = 1.3e12

Cheers Rolf
(addicted to the Perl Programming Language :)
see Wikisyntax for the Monastery

In reply to Re^2: Algorithm RFC: fast (pseudo-)random shuffle with no repetition by LanX
in thread Algorithm RFC: fast (pseudo-)random shuffle with no repetition by Anonymous Monk

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