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What is the worst case running time in searching phase of Boyer-Moore’s algorithm?

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in Data Structures & Algorithms II by (111k points)
What is the worst case running time in searching phase of Boyer-Moore’s algorithm?

(a) O(n)

(b) O(log n)

(c) O(m+n)

(d) O(mn)

The question was posed to me during an interview for a job.

My question is based upon String Matching topic in chapter String Matching of Data Structures & Algorithms II

1 Answer

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Best answer
Correct option is (d) O(mn)

The explanation is: If the pattern occurs in the text, the worst case running time of Boyer-Moore’s algorithm is found to be O(mn).

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