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Results tagged with Search options user 42432

A permutation is a particular ordering of some list of objects. Problems tagged with permutation usually involve finding or generating permutations, including anagrams of text.

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to the other, by first reordering one list to any order (in this case the canonical order) and reorder this list to the final list. The sign of the overall permutation is even, iff the signs of the two sub-permutations are equal. …
answered Mar 20 '16 by murphy