The problem of the moody chess players

F.J. Bult, van de, G.J. Woeginger

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We analyze a sorting problem where for every element there is a hard upper bound on the overall number of lost comparisons: Given are n elements and n non-negative integers a1,…,an. The goal is to sort these n elements by pairwise comparisons, subject to the condition that the kth element must not be the loser (= smaller element) in more than ak of its comparisons against the other elements. We completely characterize the sequences a1,…,an for which this sorting problem can be solved.
Original languageEnglish
Pages (from-to)336-337
JournalInformation Processing Letters
Issue number5
Publication statusPublished - 2008


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