Linked Questions

18
votes
7answers
3k views

Y2K… in 2019?

It's August 10th, 2019, but your task still involves Y2K. Weird, right? Create a program that prints itself, with a two digit number appended to it. The first time you run it, it should append 00 to ...
12
votes
12answers
728 views

Travel Back in Quine

The challenge here is simple, and not at all about byte-count. Your job is to output the first 50 characters of the previous quine's source code, concatenated with the first 50 characters of yours ...
5
votes
10answers
1k views

I hate Mondays!

You should a program in language X, which will only output its source code (i.e function as a quine) when it is not a monday. On monday it should output some string with a levehnstein distance of 4 ...
19
votes
7answers
651 views

Generate a Markdown Template for your Post

Your task is simple: Write a program (or function) that takes no input and outputs something like this: ## *name*, *length* bytes *code* Where ...
22
votes
4answers
507 views

Multiple program Quinecatenate!

Your task is to give three different languages A, B, C, and write two different programs P and Q such that: P is a quine in language A, but not a quine in B nor C; Q is a quine in language B, but ...
11
votes
7answers
6k views

Write a self-replicating program.

Write a simple program that copies itself when executed. Your program should be some kind of executable file on Windows, Linux, etc.., should generate new executable file, which is identical to your ...
15
votes
5answers
956 views

Hex Dump your Source Code

When code-golfing there will be times where you need a Hex Dump of your code, usually because you've used unprintable characters. So, why not make a program that Hex Dumps itself? The Challenge This ...
22
votes
3answers
1k views

Meta-bowling Golf

Your task is to create the shortest program (A) that outputs another program (B) with the most unique bytes, which in turn outputs the original program (A). Essentially, you are golfing one half of a ...
4
votes
7answers
830 views

Make a base64 Quine! [duplicate]

Your challenge is to output a Base64-encoded version of your source code, and optionally a line break. You must output the correct padding, if any. Standard quine rules apply, shortest answer wins. ...
10
votes
6answers
354 views

Transpose quine

In this quine variant, your program must output its source code transposed across the diagonal from the top left to the bottom right. For example: your program on four lines outputs ...
30
votes
3answers
698 views

Build a golfing language with me

A lot of PPCG users helped with the creation of this challenge, both in chat and the Sandbox, specifically Martin Ender, AdmBorkBork, Emigna and user202729 Our community has found it necessary to ...
10
votes
3answers
447 views

Period 2 Reversed Quine

Your task is to write a program that outputs its own source code in reverse. However, when the reversed code is run, it should output the source code, facing the correct direction. Example Say your ...
10
votes
5answers
1k views

It's Anagram Quine, not just Quine!

The Task In this challenge, your task is to write a program, which takes in no input, with as many anagrams that are quine of themselves as possible. Your score will be the number of anagrams of ...
16
votes
3answers
1k views

Compose a Vim quine! [closed]

Goal: Create and save file in Vim containing at least 25 ASCII characters. The exact keystrokes used during the creation and saving of this file must also produce identical contents in Windows ...
7
votes
4answers
669 views

Unfurling-Safe Quine

Write a proper quine containing at least one newline/linefeed whose every unfurling is either itself a proper quine or outputs the original quine. Your answer can mix and match outputting itself and ...

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