Questions tagged [polyglot]
For challenges involving code that runs in multiple programming languages.
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Quine/Error Quine Polyglot
Your task is simple: Write a program that can be run in two languages. It should be a normal quine (prints its own source code) in language 1, and should be an error quine (generates an error message ...
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Klein Topololyglots
Klein is a 2D language I have designed that can be embedded on 12 different topological surfaces. A Klein program can be run on different surfaces by changing the command line arguments.
The ...
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Anaglot Polygrams
Task
Write some code that can be rearranged into n different programs in n different languages each outputting a distinct number from 1 to n.
No two languages should be the same however different ...
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Backwards and forwards polyglot quine!
You must make a polyglot that outputs its source code in one language and its source code backward in another. Unlike the normal rules, you are allowed to read the current file or use a builtin to get ...
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Plus or minus polyglots!
Your submission must take a list of numbers (in whatever list format your language supports, or using multiple function / command-line parameters) or a string of numbers separated by any character ...
user58826
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Contradictory Polyglots
Well, everyone loves Polyglots. You will be given two integers, in any standard form of input (no hardcoding). Your task is to write a polyglot which finds the minimum value in a language and the ...
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GCD / LCM Polyglots!
Your challenge is to make a program or function that outputs the GCD of its inputs in one language and the LCM of its inputs in another. Builtins for GCD or LCM (I'm looking at you, Mathematica) are ...
user58826
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The Big Bang Polyglot [duplicate]
Everyone loves The Big Bang Theory, right? And everyone loves polyglots, right? So let's combine them!
Task
Your task in each language is quite basic. You must output the name of the one of the 5 main ...
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Rock, Polyglot, Scissors
Write a program that is a polyglot in three languages that plays rock–paper–scissors.
The input for any version of the program is always one of the strings rock or ...
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Calculate a square and a square root!
You must make a polyglot that outputs the square of the input in one language and the square root of the input in another. The shortest answer in bytes wins!
You must have a precision of at least 3 ...
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Labyrinth Polyglot [closed]
Create a program that can create a randomly arranged maze (The path of the maze changes each time) with exactly 1 exit and one enterance and a minimum size of 8x4 and max size of 32x32, with the exact ...
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Print Polyglot Pieces
Typically, polyglots are constructed in such a manner that each language can ignore parts of the code that are present for other languages, by wrapping them in string literals, using comment syntax, ...
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Add a language to a polyglot
This is an answer-chaining challenge in which each answer builds on the previous answer. I recommend sorting the thread by "oldest" in order to be sure about the order in which the posts are ...
user62131
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answer
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Make a regex polyglot
Write a regex that works in at least 2 regex flavors (or versions), and match a different string in each flavor (or version) it is running in.
The strings to be matched in this challenge are the ...
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Multi-lingual Challenge
After all the fun we've had with polyglot challenges in the (recent) past, how about a challenge where the output can be in two languages?
Your answer needs to accept boolean input ...
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Tips for creating polyglots
A polyglot is a program that can be run in 2 or more different programming languages.
What general tips do you have for making polyglots, or choosing languages that are easy to write polyglots for a ...
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Comment-free polyglot with different, nontrivial, behaviour per language
This challenge is inspired by this other challenge, which you may want to read first for some context. However, a competitive answer is likely to look very different, so after reading some posts on ...
user62131
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What will you bring for Thanksgiving?
Thanksgiving in the United States is coming up on November 24th. Many people will have a large dinner with their families, traditionally including turkey and many side dishes. This typically means the ...
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Three polyglots, two period-two quines, and one code-golf challenge
Produce a program A such that running it in language A produces Program B, and running program A in language B produces program C.
Program B, when run in language B produces Program A, and running ...
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Polyglot Anagrams Robbers' Thread
This is the robbers' thread of this challenge
The cops will choose an OEIS sequence and write two full programs in two different languages that produces that nth item in the sequence when given an n ...
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Polyglot Anagrams Cops' Thread
This challenge has two threads. This is the cops' thread. The robbers' thread is located here.
Your challenge is to choose an OEIS sequence and write two full programs in two different languages that ...
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The meta-polyglot quine
In my time on PPCG, I've noticed that quine problems and polyglot problems are quite popular. Also, meta-solutions to problems, that is, scripts which generate a program which is the solution to a ...
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Palindrome polyglot
Your task is to write a program that runs in two different languages, and does the following:
In one language, it palindromizes a given string.
Take the string. ...
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Add comments to a Python script and make it a bilingual Python/C++ “program”
Given the following Python 3 script:
def greet():
print("Hello, world!")
greet()
Prepend some lines to this text file so that it can be both executed as a ...
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Trick or Treat polyglot
Since Halloween is coming up I thought I might start a fun little code golf challenge!
The challenge is quite simple. You have to write a program that outputs either ...
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When was this language released?
Your challenge is simple. You need to write a program that prints to either STDOUT or a file the year the language it is written in was released. Because this is such a simple task, the twist is that ...
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Write a Palindrome-Polyglot-Quine
Write a "palipolyquine": a program that is a quine, a polyglot, and a palindrome.
Rules:
The number of polyglot languages is more preferable than code size.
The shortest answer (in bytes) wins, in ...
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"I know that language - that's Java. No? It's Perl?" [duplicate]
Introduction
A known fact is that Jon Skeet can code Perl and make it look like Java. In this challenge you will try to do something similar.
Challenge
Write a piece of code of any length that can ...
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answers
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Windows batch polyglot/hybrids challenge with any language possible [closed]
/* I hope such question is suitable for here*/
As the batch scripts are pretty limited, hybrid files that embed a code from another language into a batch file are used a lot lately.
Though usually ...
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An executable script file that runs on POSIX and Windows
Challenge: write a single script file foo.cmd which can be invoked from the vanilla Windows cmd.exe prompt (not PowerShell, not ...
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The Versatile Integer Printer
Write a piece of code that is executable in at least three different languages. The code must output the integer 1 in language number one, ...
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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 ...
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Carrots. So. Many. Carrots
The Inspiration
The Task
You must create a program, that, in as many languages as possible, replaces every instance of ^ with a markdown formatted link (meaning ...
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Palandrome-ish code [closed]
Create a program that does the same thing forwards and backwards, in different languages. “Different languages” does not include different versions of the same language.
Challenge
This program can ...
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Overcoming cluster size
Fed up with the reliability of flash storage, you decided to store all your programs on one of those good old 1,440 KiB floppies. However, after copying not even 3,000 programs, the disk was full. How'...
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I'm not the language you're looking for!
Isn't it annoying when you find a piece of code and you don't know what language it was written in? This challenge attempts to somewhat solve this.
Challenge
You will have to write a program that ...
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Non-Palindromic Polyglot Boggle
Introduction
The number 101 is a palindrome, since it reads the same backwards and forwards. The number 105 is not. However, 105 in base eight is written as 151, which is palindromic. On the other ...
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The polyglot challenge! [duplicate]
A polyglot is a program which can be run by several different language's interpreters/compilers without failing.
For example, the stackoverflow 404 page contains a polyglot which runs in Python, Perl,...
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Pseudo-quine polyglot language-detection counters
Quines are fun. Polyglots are fun, too. Polyglot Quines exist, but we can raise the bar even higher.
Write a file that contains a valid program for languages α, β, and γ. When the ...
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Write a C / C++ Polyglot [closed]
This challenge's concept is pretty simple. All you have to do is write a program that will compile as both valid C and valid C++! Well, there are some catches. The program must behave differently when ...
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Restricted Polyglot
Polyglots are programs that are valid in multiple programming languages simultaneously. Most such polyglots are written in such a way that certain constructs of one language are interpreted as ...
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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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Possibly quit your job with a polyglot
Despite your protest, you have been put to work by your boss on a program that takes a single unsigned integer as input and prints the string "prime" if that integer is prime and "not ...
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99 Bottles of beer, 99 languages [closed]
The goal is to write a simple "99 Bottles of Beer" program .. that is valid in at least 2 distinct languages (e.g. not Python 2 and Python 3). It must be a complete file that will run or compile.
...
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Valid Through The Ages
Inspired by this question on SO, your task is to produce a program that is valid in (at least) two major versions of your chosen language that produce different output.
Rules
Any language that has ...
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π Day puzzle for 3/14
Happy π Day. The goal of this question is to calculate the area for a circle of radius 3, where A = πr².
The catch is that you have to use the constant π that is defined in a different language than ...
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Hide a Brainf*** greeting in other code
The goal is to write a program (anything except explicit brainfuck) which prints Barney Stinson's best rule:
New is always better.
when interpreted normally, but
Legen... wait for it... dary!
...
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Turing-Complete polyglot [closed]
Write a polyglot (code that works in two or more languages) that has a "mid-section" that can be modified to do any computational task. This question is similar to https://stackoverflow.com/questions/...
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Just Another Polyglot Hacker! [duplicate]
Make a program which prints just another #{LANG} hacker where #{LANG} is the name of the language with which the program is ...
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