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def prem(s,nx = []) return nx.join if s.empty? s.collect { |b| prem(s-[b],nx+[b]) }.flatten ...
Ruby Erlang Riddle for Rubists
Originally published at htt...
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def prem(s,nx = []) return nx.join if s.empty? s.collect { |b| prem(s-[b],nx+[b]) }.flatten ...
Originally published at htt...
man, you loose all the fun ...