All Questions
Tagged with python-2.x strings
12 questions
11
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1
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4k
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Z-Algorithm for pattern matching in strings
I was trying to refactor the following Python code (keeping the same time-complexity) which is an implementation of Z-Algorithm for pattern matching in strings.
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- 221
7
votes
4
answers
7k
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Find the shortest whole repetitive substring
I'm working on a problem to find wholly repeated shortest substring of a given string, and if no match, return length of the string.
My major idea is using a Trie ...
- 3,453
0
votes
2
answers
2k
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JSON string parsing
I need to parse a simple JSON string (flat JSON, no hierarchy) for keys and values, and there is a system constraint that I cannot use any built-in JSON library and can only read a string once due to ...
- 3,453
18
votes
2
answers
1k
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Given a page of content, determine shortest snippet containing all search phrases (no order required)
A recruiter gave me a homework problem as a part of the recruiting process and after receiving my submission he told me that he decided not to proceed with me. When I asked for the reason, he told me ...
- 183
8
votes
2
answers
4k
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Finding words that rhyme
Preface
I was trying to review this question on the same topic, but in the end many points I wanted to make were excellently explained by @ferada so I felt that posting my code and explaining the ...
- 27.6k
8
votes
3
answers
4k
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Function to censor single word in a sentence
The following function censors a single word of choice in a sentence with asterisks, regardless of how many times the word appears. How can I further simplify this code?
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- 171
7
votes
1
answer
134
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Zalera calculator
I recently started replaying Final Fantasy XII. One of its optional bosses, Zalera, has, among others, the following mechanics:
His attack sequence is Lv. 2 Sleep, Lv. 3 Disable, Lv. 4 Break and Lv. ...
Mast♦
- 13.5k
7
votes
3
answers
3k
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Finding the fastest common prefix of 2 strings in Python
I'm comparing my algorithms, slice_prefix and bit_prefix, with existing ones to find the common prefix length of 2 strings as ...
5
votes
2
answers
6k
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Testing whether a given string has unique characters
Here is my code which tests whether a given string has unique characters. The function is_unique which does a linear search for each character in the string is \$O(...
- 5,127
5
votes
2
answers
2k
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Numbers to Text Program - Python Training
I have written a numbers to text challenge for some people in my organisation to practice their Python skills. I am an economist working with pandas, but I am trying to teach them some stuff about ...
- 271
4
votes
1
answer
292
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High execution time to count overlapping substrings
I was doing this HackerRank problem which basically boils down to counting overlapping substrings in a string. I used this solution from StackOverflow to build this program -
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- 493
2
votes
2
answers
985
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Speeding up and fixing phone numbers from CSVs with Regex
I've hodgepodged together an attempt to extract all phone numbers from all CSVs in a directory, regardless of where they are and what format they're in. I want all phone numbers to be printed to a ...
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