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Activity for Razetime‭

Type On... Excerpt Status Date
Edit Post #280753 Post edited:
almost 4 years ago
Edit Post #280753 Initial revision almost 4 years ago
Article The Pell Numbers[FINALIZED]
Introduction The Pell(no, not Bell) Numbers are a simple, Fibonacci-like sequence, defined by the following relation: \$Pn=\begin{cases}0&\mbox{if }n=0;\\\\1&\mbox{if }n=1;\\\\2P{n-1}+P{n-2}&\mbox{otherwise.}\end{cases}\$ They also have a closed form: \$Pn=\frac{\left(1+\sqrt2\right)^n-\l...
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almost 4 years ago
Edit Post #280751 Initial revision almost 4 years ago
Answer A: Solve Goldbach's Conjecture
[Husk], 9 bytes ḟo=⁰Σπ2İp Try it online! Explanation ``` ḟo=⁰Σπ2İp İp take the infinite list of primes π2 cartesian power 2 (all possible pairs) ḟo first pair which satisfies: Σ sum = equals ⁰ input?
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almost 4 years ago
Edit Post #280730 Initial revision almost 4 years ago
Answer A: Create an Alphabet Diamond
Stax, 12 bytes ç ∩<▬%▌ê▓jFo Run and debug it Same method as the Canvas answer.
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almost 4 years ago
Edit Post #280729 Initial revision almost 4 years ago
Answer A: Create an Alphabet Diamond
Canvas, 10 7 6 bytes Z[]/┼┼ Try it here! Creates the top portion, centers it, and mirrors it. -3 bytes from dzaima's hint. -1, found the 6 byter! Explanation ``` Z[]/++ Z push the alphabet [] get all prefixes / diagonalize by padding each line with ...
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almost 4 years ago
Comment Post #280673 [Obligatory Canvas answer](https://dzaima.github.io/Canvas/?u=JXVGRjNBJXVGRjNCJXUyNTAyJXVGRjNEJXVGRjUyJXUyNTAwJTVFJXUyMjE5ViV1MjU0Qg__,v=8)
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almost 4 years ago
Comment Post #280646 You may want to add some testcases with broken lines i.e. `5 5 ⍴ 1 0 1 1 0 0`
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almost 4 years ago
Edit Post #280612 Post edited:
added new testcases
almost 4 years ago
Edit Post #280612 Post edited:
almost 4 years ago
Edit Post #280551 Post edited:
almost 4 years ago
Edit Post #280612 Initial revision almost 4 years ago
Question Write a Deadfish Interpreter
A rewrite of this SE question with a simpler input format and guidelines. Challenge Deadfish uses a single accumulator, on which all commands are to be performed. It has the following commands: |Command|Description |-|- |`i`|increment the accumulator |`d`|decrement the accumulator |`s...
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almost 4 years ago
Comment Post #280597 I was waiting for this one..
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almost 4 years ago
Edit Post #279253 Post edited:
almost 4 years ago
Edit Post #280551 Initial revision almost 4 years ago
Article Write a Deadfish Interpreter[FINALIZED]
A rewrite of this question with a simpler input format and guidelines. Challenge Deadfish uses a single accumulator, on which all commands are to be performed. It has the following commands: |Command|Description |-|- |i|increment the accumulator |d|decrement the accumulator |s|square ...
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almost 4 years ago
Comment Post #280408 Also, if this is code-golf, there's no need for an alternative scoring tag.
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almost 4 years ago
Comment Post #280408 I mean, do unicode alphabets count as alphabetical characters or non alphabet chars?
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almost 4 years ago
Comment Post #280408 Where do unicode alphabet characters(`ṙ,ṡ,ṫ`) fit in this?
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almost 4 years ago
Comment Post #280372 Ok, I've changed it to take 2D arrays only.
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almost 4 years ago
Edit Post #280372 Post edited:
almost 4 years ago
Comment Post #280372 @Quintec I allowed dimensions as a separate input if needed for that reason. Would it make more sense to have 2D arrays only?
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almost 4 years ago
Edit Post #280372 Initial revision almost 4 years ago
Question Truthify an array
Jelly has an atom called untruth, which when given indices, creates an array with 1s at those places: `[2,4] → [0,1,0,1]`. You are required to perform the inverse of this. Given a 2D boolean array, find the indices of the true values in it. Challenge You will be given a single 2D boolean arr...
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almost 4 years ago
Comment Post #280242 @Lundin For more trivial tasks, yes.
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almost 4 years ago
Edit Post #280083 Post edited:
almost 4 years ago
Edit Post #280242 Initial revision almost 4 years ago
Question Posting guidelines modifications
Currently, the posting guidelines for Code Golf are the defaults on Codidact. Posting Tips: ¶ Your title should be a one sentence summary of your question. ¶ Break different topics up into paragraphs. Multiple paragraphs are easier to read than a wall of text. ¶ Use clear, simple language. Be spec...
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almost 4 years ago
Comment Post #280226 @Corsaka You must specify the input format. The testcases are formatted that way for readability.
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almost 4 years ago
Edit Post #280226 Initial revision almost 4 years ago
Question Calculate a person's age
Challenge Given a date with day, month and year, calculate how old a person born on that day would be today. Input can be in any reasonable format(params, array, date object). Input will never be invalid. Output must consist of years, months and days in any order you specify. Date and Ti...
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almost 4 years ago
Comment Post #280096 Very clean answer. I love it!
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almost 4 years ago
Edit Post #280092 Initial revision almost 4 years ago
Question Golf me a polygonal loader
CGCC Sandbox, Codidact Sandbox Given three positive integers as input, animate an ascii-art polygonal loading symbol on the screen. Intro Using the first input \$n\$, Take one the following regular polygons: ``` ...
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almost 4 years ago
Edit Post #280083 Initial revision almost 4 years ago
Answer A: The Camelot Wheel
[APL (Dyalog Unicode)], 110 67 bytes {(⍕((f⊖⍪'AEBFCGDAEBFD'),r⌽12↑¯6↑5⍴'-')⍳2↑⍵),⎕a⌷⍨1+0≠f←¯3+r←3×'i'∊⍵} -43 bytes from dzaima. Requires input exactly as shown in the diagram. A bit fiddly with the compression, but works correctly. In both circles, the notes come in the form `A...
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almost 4 years ago
Comment Post #279883 Is the final output supposed to look like a christmas tree or not?
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almost 4 years ago
Comment Post #279854 The problem with adding things in to be figured out is that once one person figures it out, everyone else just copies them. Hence, it's generally encouraged to have a full description of what you expect the programmer to do.
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almost 4 years ago
Comment Post #279854 There must be some sort of recursive definition for this..
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almost 4 years ago
Comment Post #279855 The example in your tio link is majestic. Nice answer.
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almost 4 years ago
Comment Post #279852 This is suprisingly hard to compress well.
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almost 4 years ago
Comment Post #279778 Yes, correct. I've also modified the question from the suggestions on SE.
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almost 4 years ago
Edit Post #279778 Post edited:
almost 4 years ago
Comment Post #279791 Basically, it is the most boring(and oftentimes most efficient) kolmogorov complexity language.
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almost 4 years ago
Comment Post #279791 @celtschk Bubblegum is used to provide constant output, generally from SHA-256, LZMA or TAR compressed files. This answer is probably a valid SHA256 hash. Read [here](https://esolangs.org/wiki/Bubblegum)
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almost 4 years ago
Edit Post #279778 Post edited:
almost 4 years ago