Linked Questions
18 questions linked to/from Golf a mutual quine
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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 ...
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36
votes
21
answers
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Write a Polyquine
A polyquine is both quine and polyglot.1 You are to write a quine which is valid in at least two different languages. This is code golf, so the shortest answer (in bytes) wins.
1 I made that up. Or ...
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27
votes
7
answers
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Mutual Negative Quines
This was inspired by Print a Negative of your Code and Golf a mutual quine.
Consider a rectangle of characters, that meet the following restrictions:
Consists solely of printable ASCII characters
...
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votes
14
answers
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Cheating Cyclic Quine
Concept
Write a program that outputs code in its programming language. That code, when executed, must output the original program.
Rules
Since this is a cheating quine, you can read the original ...
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36
votes
6
answers
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Mutually Exclusive Quines
Your challenge is simple. Write two programs that share no characters which output each other.
Example
Two programs P and Q are mutually exclusive quines if:
P outputs Q
Q outputs P
There is no ...
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31
votes
21
answers
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Interquine - Two programs that output each other in a loop
Program A outputs program B's code when run, and B outputs A's source.
Requirements:
Only one language across both programs
Programs are different. One program that outputs itself does not qualify. ...
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18
votes
2
answers
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Quine that takes as input the name of a language and outputs the same thing implemented in the input language
From Quine central:
Write a quine that takes as input the name of a language and outputs the same thing implemented in the input language.
The source article has something you can work from, but as ...
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4
votes
2
answers
218
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Inter-language 2-cycle quine [duplicate]
Challenge
Create 2 programs A and B
The output of program A is exactly program B
The output of program B is exactly program A
Neither program should depend on inputs to yield the correct output
A ...
CommunityBot
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12
votes
8
answers
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Quine Challenge I
Challenge
In this task you have to write a program that will take input
an integer N (-1e9 <= N < 0 && 0 < N
<= +1e9), then compute T = (abs(N) %
M+1),if N is positive ...
CommunityBot
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8
votes
1
answer
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Cyclic Weak Levenquine
This question asking us to make a "Cyclic Levenquine" has gone unanswered. So today we will ask a slightly simpler version. In this challenge we will define a K-Levenquine to be a program whose ...
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13
votes
2
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Cyclic strings, hidden programs
Write 3 programs that do the following task:
Let A, B, C source codes of those three programs;
if A runs BC is produced as output,
if B runs CA is produced,
if C runs AB is produced;
so each program ...
CommunityBot
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7
votes
2
answers
613
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Golfing Relay Race
You need to write a program in any language that will produce (source code for) a program in a different language. That program will produce a 3rd program in another language and so on.
You should ...
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28
votes
6
answers
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Can you Meta Quine?
Similar to other quine puzzles (more specifically, this one), write a program that produces the source for itself.
Here's the new twist: The code produced should NOT be identical to the source. ...
CommunityBot
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17
votes
3
answers
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Write a third order quine
This challenge is an extension of 'Golf a mutual quine'.
Using three languages of your choice, create a third order Ouroboros program.
That is, in language A, write a program pA which outputs ...
CommunityBot
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15
votes
3
answers
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Codegolf: Quine and Antiquine
This challenge is similar to Can you Meta Quine?
A quine is a program that produces itself on STDOUT. This challenge is to produce a program A which when run produces a program B on STDOUT. Program B ...
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