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An efficient algorithm was proposed by Booth (1980). [2] The algorithm uses a modified preprocessing function from the Knuth–Morris–Pratt string search algorithm.The failure function for the string is computed as normal, but the string is rotated during the computation so some indices must be computed more than once as they wrap around.
LeetCode LLC, doing business as LeetCode, is an online platform for coding interview preparation. The platform provides coding and algorithmic problems intended for users to practice coding . [ 1 ] LeetCode has gained popularity among job seekers in the software industry and coding enthusiasts as a resource for technical interviews and coding ...
An anagram is a word or phrase formed by rearranging the letters of a different word or phrase, typically using all the original letters exactly once. [1] For example, the word anagram itself can be rearranged into the phrase "nag a ram"; which is an Easter egg suggestion in Google after searching for the word "anagram".
The first such anagram dictionary was The Crossword Anagram Dictionary by R.J. Edwards [1] In the other kind of anagram dictionary, words are categorized into equivalence classes that consist of words with the same number of each kind of letter. Thus words will only appear when other words can be made from the same letters.
An n-gram is a sequence of n adjacent symbols in particular order. [1] The symbols may be n adjacent letters (including punctuation marks and blanks), syllables , or rarely whole words found in a language dataset; or adjacent phonemes extracted from a speech-recording dataset, or adjacent base pairs extracted from a genome.
The (decision version of the) smallest grammar problem is NP-complete. [1] It can be approximated in polynomial time to within a logarithmic approximation ratio ; more precisely, the ratio is O ( log n g ) {\displaystyle O(\log {\tfrac {n}{g}})} where n {\displaystyle n} is the length of the given string and g {\displaystyle g} is the size ...
To convert an inversion table d n, d n−1, ..., d 2, d 1 into the corresponding permutation, one can traverse the numbers from d 1 to d n while inserting the elements of S from largest to smallest into an initially empty sequence; at the step using the number d from the inversion table, the element from S inserted into the sequence at the ...
Anagrams (also published under names including Anagram, Snatch and Word Making and Taking) is a tile-based word game that involves rearranging letter tiles to form ...