Abstract
In this paper, we consider a parallel algorithm for the patience sorting. The problem is not known to be in the class NC or P-complete. We propose two algorithms for the patience sorting of n distinct integers. The first algorithm runs in [Formula: see text] time using p processors on the EREW PRAM, where m is the number of decreasing subsequences in a solution of the patience sorting. The second algorithm runs in [Formula: see text] time using p processors on the EREW PRAM. If [Formula: see text] is satisfied, the second algorithm becomes cost optimal.
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