The algorithm S(A,n,I) selects all the jut smallest element from an array A of n elements by using linear select to select each of the jug smallest elements. Clearly one could also implement S alternatively as T(A,n,I), which first sort A and then select the first I elements. Please compare the average case complexities of the two algorithms.

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
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The algorithm S(A,n,I) selects all the jut smallest element from an array A of n elements by using linear select to select each of the jug smallest elements. Clearly one could also implement S alternatively as T(A,n,I), which first sort A and then select the first I elements. Please compare the average case complexities of the two algorithms.

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