
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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![4. Specify the best-case and worst-case asymptotic runtime of the following Python
functions using big- notation in terms of n, the number of elements in the list of integers
vals. Justify your answers in a sentence or two.
a.
b.
def test1 (vals):
out = []
for i in range (2, 10):
total = 0
for j in range (len (vals)):
if vals[j] % i == 0:
total += 1
out.append(total)
return out
def test2 (vals):
for ele in vals:
for ele2 in vals:
if ele+ ele2 == 10:
return True
for ele3 in vals:
for ele4 in vals:
if ele3* ele4 == 10:
return True
return False](https://content.bartleby.com/qna-images/question/8ac30395-f6f8-4ad5-bce7-cc6c4afd3862/e6ec025b-60a5-48e5-85aa-0cb71818e289/prk1obl_thumbnail.png)
Transcribed Image Text:4. Specify the best-case and worst-case asymptotic runtime of the following Python
functions using big- notation in terms of n, the number of elements in the list of integers
vals. Justify your answers in a sentence or two.
a.
b.
def test1 (vals):
out = []
for i in range (2, 10):
total = 0
for j in range (len (vals)):
if vals[j] % i == 0:
total += 1
out.append(total)
return out
def test2 (vals):
for ele in vals:
for ele2 in vals:
if ele+ ele2 == 10:
return True
for ele3 in vals:
for ele4 in vals:
if ele3* ele4 == 10:
return True
return False
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