Linked Questions

428
votes
771answers
131k views

“Hello, World!”

So... uh... this is a bit embarrassing. But we don't have a plain "Hello, World!" challenge yet (despite having 35 variants tagged with hello-world, and counting). While this is not the most ...
67
votes
152answers
9k views

Diagonal Alphabet

Given no input, your task is to generate the following: ...
53
votes
146answers
7k views

Output your Score!

Challenge: The concept is simple enough: write a full program to output its own code golf score! Output should only be the byte count of your program and a trailing ...
68
votes
47answers
9k views

Magic the Gathering: Friends or Foes?

In the card game Magic: the Gathering there are five different colours, which represent loose affiliations of cards, White (W), Blue (...
36
votes
75answers
3k views

Division and remainder

This challenge, while probably trivial in most "standard" languages, is addressed to those languages which are so esoteric, low-level, and/or difficult to use that are very rarely seen on this site. ...
34
votes
68answers
4k views

Output the missing integer

You will be given a string. It will contain 9 unique integers from 0-9. You must return the missing integer. The string will look like this: ...
28
votes
60answers
3k views

Triangle a number!

We are used to the term "squaring" n to mean calculating n2. We are also used to the term "cubing" n to mean n3. That being said, why couldn't we also triangle a number? How to triangle a number? ...
37
votes
23answers
2k views

Antsy permutations

Introduction Suppose you have a ruler with numbers from 0 to r-1. You place an ant between any two of the numbers, and it starts to crawl erratically on the ruler. The ruler is so narrow that the ant ...
21
votes
24answers
2k views

Wherre are the adjacent characters in the title? [3, 4]!

Title misspelled on purpose. Read more to find out why. Your task: given a delimited string or list including the characters A,B,C,D, output the indexes of all the ...
28
votes
8answers
1k views

Golf a Brain-Flak Integer

Integers are tedious to represent in Brain-Flak. There are 8 operators: ...
16
votes
15answers
736 views

Parse a list of signed unary numbers

Unary numbers typically only represent nonnegative integers, but we can extend them to represent all integers as follows: A positive integer N is represented as N 1...
19
votes
9answers
2k views

The Third Flak!

This challenge was posted as part of the April 2018 LotM challenge Brain-Flak is a turing-tarpit language which has gained quite a lot of fame here on PPCG. The memory of the language is composed by ...
26
votes
2answers
1k views

Fastest Mini-Flak Quine

Mini-Flak is a subset of the Brain-Flak language, where the <>, <...> and [] ...
5
votes
2answers
165 views

Tips for golfing in Mini-Flak

What general tips do you have for golfing in Mini-Flak? I'm looking for ideas which can be applied to code-golf problems and which are also at least somewhat specific to Mini-Flak (e.g. "remove ...
10
votes
0answers
153 views

Fix Brain-Flak push-pop redundancy

Brain-Flak is a stack-based esoteric language with eight commands: ...