
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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Question

Transcribed Image Text:For the following algorithms given in pseudocode, describe what each
algorithm does.
a. Begin
End
S := 0
For k = 1 to n do
S := S + 1/k
End
Output S
b. Let n be a positive integer and let A(1), A(2), ..., A(n) be n real
numbers.
Begin
P:= 1
k := 0
While k < n do
k := k + 1 and P := P.A(K)
Output P
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- This issue compares the execution times of the two multiplication algorithms listed below:KindergartenAdd algorithm (a, b)A and B are integers, pre-cond.post-con: Produces a and b.arrow_forwardDesign an algorithm using pseudocode that inputs three numbers. The algorithm must determine and then display the middle value – that is the number which is neither the smallest nor the largest. Check to see that your algorithm works for numbers where one or more of the values is repeated. Be certain your algorithm works for negative values. Determine if it is possible to extend the algorithm to finding the middle value of five numbers. Try to build an algorithm that does not just exhaustively test for all possibilities. That is the “brute force” algorithm and better solutions can be created.arrow_forwardExpress the Euclidean Algorithm in pseudo-code, then convert your pseudocode to a Python Program. "The Euclidean algorithm finds the greatest common divisor of two positive integers X and Y by the following process: As long as the value of neither X nor Y is zero, assign the larger the remainder of dividing the larger by the smaller. The greatest common divisor, if it exists, will be the remaining non-zero value."arrow_forward
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