
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN: 9780133594140
Author: James Kurose, Keith Ross
Publisher: PEARSON
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Pyton code please
![Cnan a 81
10 SUIVE CHIS proDiem, you wilh
WITCE a
-Pos
1.1 Input
text is an unsorted list of strings. Each string contains only lowercase a-z characters. text
can contain duplicates.
queries is a list of strings consisting only of lowercase a-z characters. Each string in queries
is a prefix of some string in text (note that a string is a prefix of itself).
1.2 Output
lex_pos outputs a list of numbers. The ith number in this list is the number of words in text
which are lexicographically greater than the ith element of queries
1.3 Example
text = ["aaa","bab","aba" ,"baa","baa","aab","bab"]
queries
lex_pos (text, queries)
>>> [7, 7, 4, 5]
["", "a", "b", "aab"]
=
1.4 Complexity
Remember that string comparison is not considered O(1) in this unit.
lex_pos should run in O(T + Q) time, where
• T is the sum of the number of characters in all strings in text
• Q is the total number of characters in queries](https://content.bartleby.com/qna-images/question/42cade82-02de-4ace-9957-aef794461689/2526d6a2-e83d-4f1b-b57e-8aa8ad702c2c/si1kqob_thumbnail.png)
Transcribed Image Text:Cnan a 81
10 SUIVE CHIS proDiem, you wilh
WITCE a
-Pos
1.1 Input
text is an unsorted list of strings. Each string contains only lowercase a-z characters. text
can contain duplicates.
queries is a list of strings consisting only of lowercase a-z characters. Each string in queries
is a prefix of some string in text (note that a string is a prefix of itself).
1.2 Output
lex_pos outputs a list of numbers. The ith number in this list is the number of words in text
which are lexicographically greater than the ith element of queries
1.3 Example
text = ["aaa","bab","aba" ,"baa","baa","aab","bab"]
queries
lex_pos (text, queries)
>>> [7, 7, 4, 5]
["", "a", "b", "aab"]
=
1.4 Complexity
Remember that string comparison is not considered O(1) in this unit.
lex_pos should run in O(T + Q) time, where
• T is the sum of the number of characters in all strings in text
• Q is the total number of characters in queries
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