Questions tagged [rank]

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What is the worst case time complexity of unranking n choose k combinations (combinatorial number system, combinadics)

The combinatorial number system shows that there is a bijection between the natural numbers less than $n \choose k$ and $n\choose k$ combinations. There is a greedy algorithm for unranking ...
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Binary combinatorics with rank

I am looking at finding acceptable binary values with maximum 2 consecutive 1s and 0s, from a range of maximum 6 bits (2^6 values). Also, I want to rank and unrank these subset of values (in ...
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DFA for "K" bit value with max "n" consecutive "0"s and "1"s

I had posted earlier a question regarding ranking max "n" consecutive "0"s and "1"s in a "K"-bit string - Order in a subset I got clarification regarding how ...
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Reference selection for rating assignment based on pair comparison

Background: a set of 300 images are prepared, randomly pair compared with 60 other images, assigned a rating (from 1-star to 5-star) based on the pair comparison score (+1 if wins a pair comparison ...
PhysicsMath's user avatar