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// 567. Permutation in String // Given two strings s1 and s2, return true if s2 contains a permutation of s1, or false otherwise. // In other words, return true if one of s1's permutations is the ...

The permutations of a single-letter string is a set of one element, the single-letter string.

In this paper, we introduce new codeword sets based on order complexity (OC) which measures uncertainty of the order having each permutation string. The proposed codeword sets are generated by two ...