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arXiv 1106.6342cs.DS
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弦约束LCS问题的二次时间算法

Quadratic-time Algorithm for the String Constrained LCS Problem

Sebastian Deorowicz

摘要:

最近提出了求两个主序列的最长公共子序列的问题(STR-IC-LCS)。它是约束最长公共子序列问题的一个变种。由于STR-IC-LCS问题的已知算法都是二次时间算法,本文提出的二次时间算法明显快得多。

英文摘要:

The problem of finding a longest common subsequence of two main sequences with some constraint that must be a substring of the result (STR-IC-LCS) was formulated recently. It is a variant of the constrained longest common subsequence problem. As the known algorithms for the STR-IC-LCS problem are cubic-time, the presented quadratic-time algorithm is significantly faster.

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