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arxiv: 0810.5064 · v1 · submitted 2008-10-28 · 💻 cs.IT · cs.DS· math.IT

A New Algorithm for Building Alphabetic Minimax Trees

classification 💻 cs.IT cs.DSmath.IT
keywords alphabeticalgorithmbuildingminimaxapplybuildcodedistinct
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We show how to build an alphabetic minimax tree for a sequence (W = w_1, >..., w_n) of real weights in (O (n d \log \log n)) time, where $d$ is the number of distinct integers (\lceil w_i \rceil). We apply this algorithm to building an alphabetic prefix code given a sample.

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