18 lines
287 B
Ruby
18 lines
287 B
Ruby
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class CollatzConjecture
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def self.steps(n, count = 0)
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if n < 1
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raise ArgumentError
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elsif n == 1
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count
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else
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count += 1
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if n % 2 == 0
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number = n / 2
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else
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number = (3 * n) + 1
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end
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steps(number, count)
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end
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end
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end
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