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vznvzn/s2b.rb

Created November 10, 2018 05:39
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s2b.rb
def sym2bin(ns)
ns1 = (0..(ns.length / 2)).map { |x| ns[(x * 2)..(x * 2 + 1)] }
ns1b = ns1.dup
raise if (ns1b.pop != '2')
ns2 = ns1b.map { |x| {'11' => '0', '12' => '1'}[x] }.join
return ns2
end
l = readlines().map { |x| x.split }
raise if (l[-1].size != 1)
l = l[0..-2].map { |x| x[-1] }
ns = sym2bin(l.join)
puts(ns)
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