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02a8d06fa8
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@3186 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
18 lines
323 B
Ruby
18 lines
323 B
Ruby
#!/usr/local/bin/ruby
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k, a, b, a1, b1 = 2, 4, 1, 12, 4
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loop do
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# Next approximation
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p, q, k = k*k, 2*k+1, k+1
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a, b, a1, b1 = a1, b1, p*a+q*a1, p*b+q*b1
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# Print common digits
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d = a / b
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d1 = a1 / b1
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while d == d1
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print d
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$stdout.flush
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a, a1 = 10*(a%b), 10*(a1%b1)
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d, d1 = a/b, a1/b1
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end
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end
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