Questions tagged [string]
A competition to solve a particular problem through the usage and manipulation of strings.
2,217
questions
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Reduce a string up to idempotency [closed]
Objective
Given a string consisting of printable ASCII characters (!0x21 ― ~0x7E), treat it as an element in the free idempotent ...
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3
votes
1
answer
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How comparison-heavy is this list? [closed]
Given a list of strings in any convenient format display the amount of comparisons between individual characters that a merge sort algorithm would perform.
The merge-sort algorithm is a divide & ...
- 12.5k
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votes
14
answers
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Simulate Text Cursor
You are given a string [A-Za-z|]+ that contains exactly one occurrence of | denoting the current position of the cursor and a ...
- 1,081
9
votes
12
answers
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Keyboard Ping Pong
Keyboard Ping Pong
(This question was inspired by this post.)
Challenge
Given a string of letters, determine if the word "ping-pongs" across the keyboard. (Letters alternating between sides ...
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26
votes
38
answers
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Segments of a string, doubling in length
Simple task today. Given a string whose length is one less than a whole power of 2, divide it into segments with doubling length.
For example for the string ...
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vote
2
answers
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Write a function that takes an input string and encodes it using a modified Fibonacci sequence in reverse [closed]
Given an input string, first convert each character to its ASCII value.
Generate a reversed Fibonacci sequence of the same length as the input string.
Encode each character by adding its ASCII value ...
- 21
-1
votes
3
answers
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views
Sum of Positive and Negative Powers of 2
Given a binary string equivalent to \$n\$, write out the least possible number of terms needed to express \$n\$.
A term is defined as an addition of either \$2^k\$ or \$(-2^k)\$, where \$k\$ is a non-...
user123116
19
votes
22
answers
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Find characters common among all strings
Find characters common among all strings
You are given multiple Strings as an input. Your task is to find the characters that are present in every string, and ...
- 299
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votes
7
answers
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Build the first 6 letters of an Italian codice fiscale (tax identification number)
Given a single string with a person's name and surname, output the first 6 characters of their codice fiscale.
Codice fiscale
Codice fiscale is a 16-character long alphanumeric string that identifies (...
- 3,684
20
votes
30
answers
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Break a word into vowels and consonants
Objective
Given an string \$n\$, output two strings, namely the string consisting of vowels "a", "e", "i", "o", and "u", and the string consisting of ...
- 311
14
votes
8
answers
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Compare two strings, with NaC
I just thought of this idea: if we have NaN ("not a number") for floats, how about NaC ("not a character") for a single unknown character in a string?
Your input should be two ...
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votes
14
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Convert CSV tables to MediaWiki tables
Input a CSV table, like this:
data00,data01,data02,...,data0m
data10,data11,data12,...,data1m
...
datan0,datan1,datan2,...,datanm
The cells in the CSV table is ...
- 1,115
21
votes
14
answers
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Cold Bee and Old Beer
Introduction:
Inspired by this silly meme video, which states 'COLD BEER', but is slightly too large for the scrolling advertisement board, causing it to display either 'COLD BEE' or 'OLD BEER' ...
- 128k
14
votes
5
answers
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Decode a Caesar ciphertext with high probability
Caesar ciphers
A Caesar cipher with shift=N is the process of replacing any alphabetic character in a string with the letter which is N positions ahead in the alphabet (wrapping back at the beginning)....
- 3,684
13
votes
13
answers
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Compute the degree of a string
The input is a string made of the letters a,b,c only. The output is an integer representing the degree of the sequence. The degree of a sequence is computed as follows:
Assume that each of the ...
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