Database System Concepts
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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Consider the following recursive algorithm.
ALGORITHM Riddle(A[0 n-1])
Iinput:AnarrayA[O n-1Jof real numbers
if n=1 returnA[0]
else temp-Riddle(A[0.n-2])
if temp s A[n-1] return temp
else returnA[n-1]
a. What does this algorithm compute?
b. Set up a recurrence relation for the algorithm's basic operation count and
solve it.
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Transcribed Image Text:Consider the following recursive algorithm. ALGORITHM Riddle(A[0 n-1]) Iinput:AnarrayA[O n-1Jof real numbers if n=1 returnA[0] else temp-Riddle(A[0.n-2]) if temp s A[n-1] return temp else returnA[n-1] a. What does this algorithm compute? b. Set up a recurrence relation for the algorithm's basic operation count and solve it.
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