14 lines
303 B
CoffeeScript
14 lines
303 B
CoffeeScript
# Beautiful Code, Chapter 3.
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# Produces the expected runtime of Quicksort, for every integer from 1 to N.
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runtime: (N) ->
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[sum, t]: [0, 0]
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for n in [1..N]
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sum += 2 * t
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t: n - 1 + sum / n
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t
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puts runtime(3) is 2.6666666666666665
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puts runtime(5) is 7.4
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puts runtime(8) is 16.92142857142857
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