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[FEATURE] Implement the Lehmer code of a permutation #51

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VascoSch92 opened this issue May 24, 2024 · 0 comments

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VascoSch92 commented May 24, 2024 •

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Implement a method for the classes Permutation and CycleDecomposition which returns the Lehmer code.

Proposed API:

def lehmer_code(self) -> int:
    ...

Reference: https://en.wikipedia.org/wiki/Lehmer_code#:~:text=In%20mathematics%20and%20in%20particular,example%20of%20an%20inversion%20table.

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VascoSch92 added the feature label

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