ბიმო
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Sandbox for Proposed Challenges
1 votes

Data.List.nub :: Eq a => [a] -> [a] Tags: code-challenge, haskell, list O(n^2). The nub function removes duplicate elements from a list. In particular, it keeps only the first occurrence of ...

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What programming languages have been created by CGCC users?
4 votes

Alchemist I created several languages, but I think this one is worth posting here since it's a fun concept: The idea is inspired by chemical reaction networks which consist of a rule-set encoding ...

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Sandbox for Proposed Challenges
1 votes

Drawing \$K_n\$ (complete graph with \$n\$ vertices) Tags: code-golf, graph-theory, graphical-output In graph theory the complete graph with \$n\$ vertices, often written as \$K_n\$, is the graph ...

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List of bounties with no deadline
3 votes

200 reputation for the true Alchemist I don't know a lot about chemistry (nor alchemy), however - having written Alchemist - I'd be impressed if someone manages to use it as an actual chemistry tool: ...

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Sandbox for Proposed Challenges
2 votes

Touch-typing distance Tags: code-golf, string Related: Levenshtein distance There are many different string metrics, a simple one is the Levenshtein distance given by \$\texttt{ld}_{a,b}(|a|,|b|)\$:...

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Things to avoid when writing challenges
13 votes

Requiring multiple types as return value This is very similar to Explicitly disallowing or disadvantaging arbitrary (classes of) languages though it's more subtle (and not necessarily explicit): A ...

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Judging the score of physically constructed electronic logic
2 votes

Languages are defined by their implementations Handmade logic doesn't have an implementation per se, you need to specify one (eg. Verilog or another HDL) and count the bytes of the .v file (in case ...

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Sandbox for Proposed Challenges
0 votes

4B/5B Encoding Tags: code-golf, encode, kolmogorov-complexity, string To transmit data in binary there's a technique called NRZI where a transition from +V to -V or vice-versa encodes a 1 and the ...

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Sandbox for Proposed Challenges
0 votes

Most Turing-incomplete Instruction Set Tags: code-challenge, language-design This challenge expects you to define an instruction set \$I = \{ \texttt{instr}_1 \dots \texttt{instr}_n \}\$ which is ...

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Sandbox for Proposed Challenges
0 votes

Encoding nested tuples Tags: code-golf, number-theory, set-theory, binary-tree Related: this Working on my recent esolang μ6 I found myself a neat puzzle: Given the set of all natual numbers and ...

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Is it possible for a challenge to have hidden scoring test-cases?
2 votes

Yes, but they need to be made public after X time units In my opinion for test-battery challenges this can be a sensible thing to do, however there are two important things that a challenge should do ...

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Sandbox for Proposed Challenges
0 votes

Maximal number of programming languages in 1KiB In this code-challenge your task is to write a program/function with a maximum of 1024 bytes, the goal is to interpret/compile as many programming ...

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Quines and newlines
Accepted answer
28 votes

If a newline is printed it must be part of the source code A lot of languages have multiple functions for printing, some of them will include a newline and some of them won't. It's the programmer's ...

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List of bounties with no deadline
4 votes

100 rep for a Haskell answer to "Make me some curry" I'll offer a 100 rep bounty for a Haskell answer to the above mentioned challenge. I might offer more than 100 rep for an interesting answer (for ...

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Sandbox for Proposed Challenges
1 votes

Assemble an XOISC program Tags: code-golf, parentheses, parsing Recently I solved this challenge, for which I created XOISC - a very low-level functional language. To compile a program (written in ...

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Sandbox for Proposed Challenges
1 votes

Moore-Penrose inverse In linear algebra the pseudo-inverse of a matrix is a generalization of the inverse of a matrix which doesn't necessarily exist. One definition of a pseudo-inverse is called the ...

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Sandbox for Proposed Challenges
1 votes

Create a .pdf file Your task is, given a non-empty string, to create a valid PDF (also see here for more information about the structure of PDF-files) file that contains no more than this string (no ...

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