incremental lexicographic order

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1) There is some order (lexicographic, colexicographic, minimal differences, gray code, etc.) that: The. incrementally add elements (an "n + 1" -th element) to the set (cardinality n) where the subsets and tuples are created B. and each new added element generates a new range (unranked) from "k" to "k" combinations or permutations (with or without repetition), as always larger layers?

2) If there is such a order , do you know your "rank", "unrank" algorithms, next?

    
asked by anonymous 24.06.2018 / 19:45

0 answers