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1.6k posts
 
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Challenges 55 fruit salad: choose your own Kolmogorov complexity

Python 3, 319 318 bytes print('riBfig,barBbilBdewBmulBtayBabiu,bael,date,lime,lulo,neem,noni,pear,pili,plum,rimu,sloe,sorb,yuzu,bearBblueBcranBcrowBemu BhackBjuneBlimeBpineBraspBwineBwolfByew Back...

posted 2y ago by trichoplax‭  ·  edited 6mo ago by trichoplax‭

Answer
66%
+2 −0
Challenges Just the vowels please

Fig, 3 bytes Actual score is: $3\log_{256}(96)\approx$ 2.469 bytes. Filters consonants from the input string using implicit input. Fcb Try it online! Fcb F : Filter with two string args fi...

posted 2y ago by south‭

Answer
66%
+2 −0
Challenges Lowercase, but not just the letters

J, 15 bytes 7 u:32 OR 3 u:] Port of Shaggy's answers. Evaluates as 3 forks 7 u: (32 OR (3 u:])) Attempt This Online! 7 u:32 OR 3 u:] ] : right argument 3 u: : 3&a...

posted 2y ago by south‭

Answer
66%
+2 −0
Challenges Just the vowels please

J, 19 char Solution: (e.&'aeiouAEIOU'#]) Test examples: (e.&'aeiouAEIOU'#]) '' (e.&'aeiouAEIOU'#]) 'Rhythm' (e.&'aeiouAEIOU'#]) 'a' a (e.&'aeiouAEIOU'#...

posted 2y ago by torres‭  ·  edited 2y ago by torres‭

Answer
66%
+2 −0
Meta Filtering the sandbox for ease of feedback

"Finalized" (or "cancelled") seems like it should be a property of the post. We can close questions -- but not articles. I think that was a change at some point, because the point of closing is t...

posted 2y ago by Monica Cellio‭  ·  edited 2y ago by Monica Cellio‭

Answer
66%
+2 −0
Challenges Just the vowels please

Vyxal, 2 bytes ~A Try it Online! Takes input as a string, outputs a list of vowels. Explained ~A ~ # Keep only letters from the input where A # the letter is a vowel

posted 2y ago by lyxal‭  ·  edited 2y ago by lyxal‭

Answer
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Challenges Balanced quinary quasiquine

Vyxal D, 62 bytes `$f3uV4udV5β$I$:∇₍λ2|62∵Ẏ;ȯ$0<i`$f3uV4udV5β$I$:∇₍λ2|62∵Ẏ;ȯ$0<i Try it Online! Character map: 4 : -2 3 : -1 0 : 0 1 : 1 2 : 2 Nice, long and yummy quine. Explai...

posted 2y ago by lyxal‭

Answer
66%
+2 −0
Q&A Up to date JavaScript Try-It-Online

There is a new project called Attempt This Online intended as an alternative to TIO. It's pretty nascent so doesn't yet support the same volume of languages as TIO and the only version of JavaScrip...

posted 2y ago by Shaggy‭  ·  edited 2y ago by trichoplax‭

Answer
66%
+2 −0
Challenges Pinwheel ​words

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 2y ago by trichoplax‭

Question code-golf alphabet
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+2 −0
Challenges Connect the corners without 4 in a row

Connect opposite corners of a rectangle of characters without putting 4 characters in a row. Input Two numbers, W and H, representing the width and height of the rectangle Each number will be ...

1 answer  ·  posted 2y ago by trichoplax‭  ·  last activity 1y ago by WheatWizard‭

Question code-golf
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Challenges Can you give me half?

Lua 5.4, 3 unique characters #'#'/#'##' Try it online! [...] scoring is done in terms of number of unique characters used in the submission. Hashtag # Single quote ' Slash /

posted 2y ago by Zakk‭

Answer
66%
+2 −0
Challenges Create a range grid

Ruby, 33 bytes ->n,m{[*(0...n*m).each_slice(m)]} Try it online!

posted 2y ago by south‭

Answer
66%
+4 −1
Meta Rules for function submissions

General requirements You need to have all the code that is necessary to create the function within your submission. For most languages, this may include the syntax for defining the name and argum...

posted 2y ago by Razetime‭

Answer
66%
+2 −0
Challenges Collatz conjecture; Count the tries to reach $1$

Lua 5.4, 67 60 bytes function(x)return x==1 and 0 or 1+f(({x/2,3*x+1})[x%2+1])end Attempt This Online! Credits to @Moshi for more shortening.

posted 2y ago by Zakk‭  ·  edited 2y ago by Zakk‭

Answer
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+2 −0
Meta Does Looping Counter qualify as kolmogorov-complexity?

No Your logic is correct. kolmogorov-complexity requires for the same constant fixed output across all solutions. This is not a static pattern, since it runs forever, so it doesn't fall under tha...

posted 2y ago by Razetime‭

Answer
66%
+2 −0
Challenges Find n Niven Numbers

Python, 98 bytes from itertools import* f=lambda n:[*islice(filter(lambda k:k%sum(map(int,str(k)))==0,count(1)),n)] itertools.count() generates integer numbers starting from 1, filter() fil...

posted 2y ago by __blackjack__‭  ·  edited 2y ago by __blackjack__‭

Answer
66%
+2 −0
Challenges Mark my beacons

Given a grid of numbers, mark the concentric areas around nonzero elements (beacons) decreasing from the value of the beacon till 1. For example, here are some grids with a single beacon: Size 1:...

0 answers  ·  posted 2y ago by Razetime‭  ·  last activity 2y ago by Moshi‭

Question code-golf matrix
66%
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66%
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Challenges Presumptuous base conversion

Japt, 13 bytes Takes input as a character array. mnG ìUrÔÄ ªUl Try it mnG\nìUrÔÄ ªUl :Implicit input of character array U m :Map n : Convert from bas...

posted 2y ago by Shaggy‭  ·  edited 2y ago by Shaggy‭

Answer
66%
+2 −0
Challenges Presumptuous base conversion

Python 3, 60 59 bytes D=input();m=int(max(D),16);print(m and int(D,m+1)or len(D)) Quite straight forward implementation. Input string is assigned to D. m is the the max() letter in D conver...

posted 2y ago by __blackjack__‭  ·  edited 2y ago by __blackjack__‭

Answer
66%
+2 −0
Meta Is there a problem with the edit queues?

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 2y ago by trichoplax‭  ·  edited 2y ago by trichoplax‭

Question discussion editing
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Meta How should we handle incorrect answers?

^ That can be used. You can try to contact the person who posted the challenge and have them mark the answer as "React -> Invalid". Or otherwise it seems that anyone can mark an answer as inva...

posted 2y ago by Lundin‭  ·  edited 2y ago by Moshi‭

Answer
66%
+2 −0
Meta Should posting on Meta affect reputation?

When we launched this community, we did not yet have the ability to set different reputation grants for different categories. We've had this for a while but we failed to follow up before now, sorr...

0 answers  ·  posted 1y ago by Monica Cellio‭  ·  edited 1y ago by Monica Cellio‭

Question discussion
66%
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Challenges Determine if a polyomino is "prime"

An $n$-polyomino is a connected subset of the square tiling consisting of $n$ squares. We will not require that polyominos be simply connected, that is they can have holes. We will say a $n$-polyo...

1 answer  ·  posted 1y ago by WheatWizard‭  ·  edited 1y ago by WheatWizard‭