Questions tagged [code-golf]
Code-golf is a competition to solve a particular problem in the fewest bytes of source code.
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Visually arrange multi-day events on a calendar
The arrangement algorithm
I think I've determined the algorithm that Google Calendar uses to visually arrange day-long and longer events at the top of the "Week" view (you may have an ...
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Divisibility patterns
Your inputs are a string and an integer. Your output is the 2d matrix of strings achieved from adding 0 to N spaces between each ...
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Infer pluses and minuses
The problem
Consider an equation such as "3 ± 2 ± 4 ± 1 = 4" and determine if there exists a sequence of pluses and minuses that makes it arithmetically correct. If it exists, ...
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Enumerate all matches of a regex
related
For this challenge, we'll be using a simplified dialect of regular expressions, where:
A lowercase letter from a to z ...
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Interpret PlusOrMinus
PlusOrMinus is an esoteric programming language invented by Esolang user PythonshellDebugwindow.
Language specification
There is a wrapping byte accumulator (incrementing ...
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Is it a cartesian product?
The cartesian product of two multisets \$A\$ and \$B\$ is the multiset of all ordered pairs consisting of an element of \$A\$ and an element of \$B\$. For example, the cartesian product of \$\{1, 2, 7,...
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Weave two lists, cycling if necessary
Consider two lists, A and B. To weave them together, we take the first element of A, then the first element of B, then the next element of A, the next element of B, and so on, ending with the last ...
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Tips for golfing in Emmental
What general tips do you have for golfing in Emmental? It is a self-modifying language defined by a meta-circular interpreter, so I wonder if there are tips for golfing for this esoteric programming ...
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Tips for golfing in 𝘈𝘤𝘤\$\it{!!}\$
What general tips do you have for golfing in Acc!!? I'm looking for ideas which can be applied to code-golf problems and which are also at least somewhat specific to Acc!! (e.g. "remove comments&...
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Play a sequential game of Rock Paper Scissors
The "sequential" game
A number of people stand in a line with their hands hidden in a pre-chosen state of either Rock ✊, Paper ✋ or Scissors ✌️. Here's an example line:
Initial Line
✌️ ✋ ✊ ...
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Determine the optimal blackjack move
After the success of my baccarat challenge, I figured we should try a similar challenge for another casino game, blackjack.
Blackjack is a game played with two to eight decks of cards shuffled ...
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Flip a coin in Lost
Lost is a 2-D programming language where the start position and direction of the ip are entirely random.
Today we will be writing a Lost program which uses this randomness to simulate a coin flip.
A ...
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Print all legal chess moves
The game of chess has moves. Lots of moves. But how many, exactly? In this challenge, you must print all possible chess moves for a single player (black or white — you choose).
Moves are distinguished ...
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Output a 1-2-3-5-7... sequence
Follow-up of my previous challenge, inspired by @emanresu A's question, and proven possible by @att (Mathematica solution linked)
For the purposes of this challenge, a 1-2-3-5-7... sequence is an ...
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Output a 1-2-3 sequence
For the purposes of this challenge, a 1-2-3 sequence is an infinite sequence of increasing positive integers such that for any positive integer \$n\$, exactly one of \$n, 2n,\$ and \$3n\$ appears in ...
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