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def prem(s,nx = []) return nx.join if s.empty? s.collect { |b| prem(s-[b],nx+[b]) }.flatten ...
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#!/usr/bin/python2.5 def permute(li): """Generate all permutations of a sequence ...
Python Computing permutations with...
by Leif Ryge,
October 22, 2008 04:16,
6 refactorings, tagged with generator, permutations, permutate, recursion
I suspect there is a better...
Originally published at htt...