trichoplax
Posts
Given a sequence of letters, output only the vowels. Input A sequence of letters This may be a string or any ordered data structure of characters (provided it is consistent between inputs) Th...
9 answers · posted 4mo ago by trichoplax · last activity 3mo ago by taoh
posted 5mo ago by trichoplax · edited 4mo ago by trichoplax
Take an input string representing a number and convert it to decimal (base 10). However, the base of the input is not specified. Assume the input is in the smallest base for which its digits are va...
5 answers · posted 4mo ago by trichoplax · last activity 4mo ago by Shaggy
Given a positive integer as input, indicate which base from 2 to 16 gives the most holes in the representation of the input in that base. The digits used are 0123456789ABCDEF. Note that these incl...
6 answers · posted 4mo ago by trichoplax · last activity 4mo ago by Razetime
Given a chess board with some knights on it, say how many squares are neither attacked by a knight nor containing a knight. Input An 8 by 8 grid where each square is either a knight or empty T...
2 answers · posted 4mo ago by trichoplax · last activity 3mo ago by trichoplax
Given a sequence of letters, omit those with the highest or lowest pop count. Terminology The pop count or population count of a binary string is the number of 1s in it. For this challenge, the ...
6 answers · posted 4mo ago by trichoplax · last activity 1mo ago by A username
Given a string, convert all of its letters using ROT13, and all of its digits using ROT5. This is sometimes referred to as ROT13.5. Input A sequence of printable ASCII characters (character cod...
4 answers · posted 3mo ago by trichoplax · last activity 2mo ago by Razetime
posted 5mo ago by trichoplax · edited 4mo ago by trichoplax
I see the Sandbox as a vital part of challenge design. When I visit the Sandbox I'd like to be able to show only proposals that are not finalized, so I can focus feedback where it is needed. In th...
3 answers · posted 5mo ago by trichoplax · last activity 3mo ago by Monica Cellio
I'm raising this on our local Meta first, rather than the main Codidact Meta, because I don't yet have the Edit Posts ability so I can't tell what problems may exist. Hopefully some of you who have...
1 answer · posted 4mo ago by trichoplax · edited 4mo ago by trichoplax
This is a fixed output challenge. Output a textual representation of a chessboard hosting 8 queens, none of which are attacking each other. There are 92 ways of arranging them, 12 if rotations and...
5 answers · posted 4mo ago by trichoplax · last activity 4mo ago by Shaggy
Given a string of printable ASCII characters, convert them all to lowercase, except not just the letters. ASCII characters that are letters have a bit in their binary representation that is 0 for ...
7 answers · posted 4mo ago by trichoplax · last activity 1mo ago by Shaggy
Given a word that can be rotated by 180 degrees (a half turn) about at least one of its 3 axes and continue to be composed of English alphabet letters, output one of its rotated forms. The 3 rotat...
0 answers · posted 3mo ago by trichoplax
Convert a matrix or grid of digits to its antitranspose. For a square matrix , this is its reflection in its antidiagonal. More generally, for a rectangular matrix, this is its reflection in its sk...
4 answers · posted 3mo ago by trichoplax · last activity 2mo ago by torres
Given an integer $N$ in balanced quinary, output the first $N$ characters of your source code if $N$ is positive, or the last $-N$ characters of your source code if $N$ is negative. Terminology ...
1 answer · posted 4mo ago by trichoplax · edited 3mo ago by trichoplax
Reputation | 389 | |
Number of top-level posts | 42 | |
Number of answers | 8 | |
Sum of received votes (up minus down) | 50 | |
Number of edits made | 212 |
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Questions | 21 | |
Answers | 8 | |
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