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$O(n^k)$ is complexity of the best method that finds longest Palindrome Substring in a word. For example, in the word "Atatb", the longest palindrome string is "tat". The...
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Given R(A,B,C,D,E) with the set of FDs,F{AB→CD, ABC → E, C → A}the normal form of R is2NFBCNF4NF3NF