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kazuph/problem036.rb

Created August 27, 2012 14:44
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ProjectEuler Problem 36
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problem036.rb
#!/usr/bin/env ruby
p (1..999_999).select{|n| n.to_s == n.to_s.reverse and n.to_s(2) == n.to_s(2).reverse}.inject(:+) # => 872187
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