Generalized Sorting with Predictions

10/31/2020

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by   Pinyan Lu, et al.

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Generalized sorting problem, also known as sorting with forbidden comparisons, was first introduced by Huang et al. together with a randomized algorithm which requires Õ(n^3/2) probes. We study this problem with additional predictions for all pairs of allowed comparisons as input. We propose a randomized algorithm which uses O(n log n+w) probes with high probability and a deterministic algorithm which uses O(nw) probes, where w is the number of mistakes made by prediction.