Recovering an LCS in O(n^2/w) time and space
Resumen
Here we make use of word-level parallelism to recover a longest common subsequence of two input strings both of length n in O(n2/w) time and space, where w is the number of bits in a machine word. For the special case where one of the input atrings is close to w its complexity is reduced to linear time and space.
Keywords: Longest Common Subsequence, Bit-parallelism.
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