bijection

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octopranav / KombiN

A library for bijectively mapping all ordered pairs from two finite sets A and B into a single linear index. KombiN orders pairs by ascending weight (sum of indices) using a three-region zig-zag algorithm, enabling O(1) bidirectional lookups.

algorithm mapping lookup pairs bijection index combinatorics combination cross-language descrete-math o1 zig-zag

Updated Aug 1, 2025
C#

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