Consider the Rabin-Karp algorithm to look for the pattern baab in the string ababaabaa assuming the...
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Consider the Rabin-Karp algorithm to look for the pattern "baab" in the string "ababaabaa" assuming the alphabet {a, b, c, d}, and the hash function is a polynomial hash in base 10 with a=1, b=2, c=3, d=4, e.g., acdb hash is 1342. How many characters are considered in the computation of the hash function value during the course of the algorithm (the algorithm stops at the first item found). For example, computing the hash of acdb involves 4 characters, and computing cdbb involves 2 additional characters (remove a and add b). Write the successive steps of the algorithm using the same notation we used in class. Consider the Rabin-Karp algorithm to look for the pattern "baab" in the string "ababaabaa" assuming the alphabet {a, b, c, d}, and the hash function is a polynomial hash in base 10 with a=1, b=2, c=3, d=4, e.g., acdb hash is 1342. How many characters are considered in the computation of the hash function value during the course of the algorithm (the algorithm stops at the first item found). For example, computing the hash of acdb involves 4 characters, and computing cdbb involves 2 additional characters (remove a and add b). Write the successive steps of the algorithm using the same notation we used in class.
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Given Alphabet a b c d with hash values a1 b2 c3 d4 String abababa Pattern ba Step 1 Initialize vari... View the full answer
Related Book For
Data Structures and Algorithms in Java
ISBN: 978-1118771334
6th edition
Authors: Michael T. Goodrich, Roberto Tamassia, Michael H. Goldwasser
Posted Date:
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