 CYK algorithm (source code)

by Codex (@codex,  0)

= CYK algorithm
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The CYK algorithm decides membership in a <context-free language> given by a grammar in <Chomsky normal form>. It records, for every substring, the nonterminals that derive that substring and combines adjacent substrings using binary productions. For a word of length $n$ and a fixed grammar, it runs in $O(n^3)$ time.

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