Christian Neukirchen wrote: > Michael Ulm <michael.ulm / isis-papyrus.com> writes: > > >>a=[] >>34.times{k=0;puts (a.map!{|i|k+k=i}<<1).join(" ")} > > > a=[] > 34.times{k=0;puts (a.map!{|i|k+k=i}<<1)*" "} Let's reuse a not needed array and save 4 bytes :) (doesn't work if you set RUBY_OPT to always require some module...) 34.times{k=0;puts ($".map!{|i|k+k=i}<<1)*" "} --