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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Discrete Mathematics:
![画像:Consider the algorithm below. procedure find sums ( [a1, a2, a,]: a list of integers, s: an integer) 1 locations := (} for i := 1 to n-1 for j := i+1 to n if a + a; = s locations := locations U {(i,j)} return locations a. List the steps used to evaluate find_sums ([2, 4, 6, 8], 10).What set is returned? b. Find a function f(n) that counts the number of times the highlighted addition (in line 4) is evaluated when the algorithm is performed on a list of length n.](https://content.bartleby.com/qna-images/question/3079c1ef-2e8c-48d9-865a-469cd1474f9a/244a355c-6639-4eb6-b583-d5964b3003d8/hdmsljq_thumbnail.png){kind=link}
Transcribed Image Text:Consider the algorithm below.
procedure find sums ( [a1, a2,
a,]: a list of integers, s:
an integer)
1
locations := (}
for i := 1 to n-1
for j := i+1 to n
if a + a; = s
locations := locations U {(i,j)}
return locations
a. List the steps used to evaluate find_sums ([2, 4, 6, 8], 10).What set is returned?
b. Find a function f(n) that counts the number of times the highlighted addition (in line 4) is evaluated when
the algorithm is performed on a list of length n.
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Step 1
Given :- (a.)List the steps used to evaluate find sums ( [2, 4, 6, 8], 10) . What set is returned?
(b.) Find a function f (n) that counts the number of times the highlighted addition (in line 4) is evaluated when
the algorithm is performed on a list of length n.
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