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...
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 ...