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3557a5f85e
be self-contained and avoid dependencies, especially such small one. See https://github.com/ruby/ruby/pull/393#issuecomment-24861301. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43012 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
15 lines
310 B
Ruby
15 lines
310 B
Ruby
def ack(m, n)
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if m == 0 then
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n + 1
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elsif n == 0 then
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ack(m - 1, 1)
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else
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ack(m - 1, ack(m, n - 1))
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end
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end
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def the_answer_to_life_the_universe_and_everything
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(ack(3,7).to_s.split(//).inject(0){|s,x| s+x.to_i}.to_s + "2" ).to_i
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end
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answer = the_answer_to_life_the_universe_and_everything
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