Describe your algorithm in english or pseudocode

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About Last Occurrence Algorithm explain:

Given a string S, presented in an array A of characters of size n, and a character ch, you need to present a divide-and-conquer algorithm that finds the last occurrence of ch in A. The output must be an index ≥ 0 that contains the last occurrence of ch, and -1 if ch does not appear in A. Do y o u r best to make your algorithm as fast as possible. For example, for array A = [SHAWSHANK] and ch = 'H', the output must be 5 (indices start from 0) and if ch is 'G', the output must be -1.

a. Describe your algorithm in English or pseudocode.

b. What is the running time of your algorithm in the best case? Write the recursive formula for the running time and justify your answer. You may assume n is a power of 2.

c. What is the running time of your algorithm in the worst case? Write the recursive formula for the running time and justify your answer. You may assume n is a power of 2.

Reference no: EM133265778

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