Linked Questions

2
votes
0answers
537 views

Make a program that outputs its own MD5 hash [duplicate]

Challenge: make a program that outputs a MD5 hash of its source code. You should not use tricks that would be considered cheating in a quine sense (discussed here). Using built-in functions and ...
2
votes
0answers
207 views

Proving the shortest quine in a particular language [duplicate]

Possible Duplicate: Golf you a quine for great good! People have proposed short quines in various languages. Puzzle: Find the shortest non-trivial quine in a language of your choice, and prove ...
1
vote
0answers
190 views

Write the shortest one-statement python quine [duplicate]

I wrote this one-line one-statement Python quine a little while back. print (lambda x: x + str((x,)))('print (lambda x: x + str((x,)))',) The point is, it's all ...
1
vote
0answers
85 views

Help us escape the quine factory! Put messages into quines [duplicate]

I've been enslaved in a quine factory. The other workers and I can't communicate with the outside world, we can only slave away making quines all day. The masters will reject any work that isn't a ...
404
votes
742answers
120k 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 ...
495
votes
226answers
110k views

Showcase of Languages

Notes This thread is open and unlocked only because the community decided to make an exception. Please do not use this question as evidence that you can ask similar questions here. Please do ...
190
votes
283answers
43k views

Is this number a prime?

Believe it or not, we do not yet have a code golf challenge for a simple primality test. While it may not be the most interesting challenge, particularly for "usual" languages, it can be nontrivial in ...
119
votes
256answers
25k views

Shortest code to produce infinite output

Write the shortest code you can that produces an infinite output. That's all. You code will only be disqualified if it stops producing output at some point. As always in code golf, the shortest code ...
165
votes
95answers
37k views

Programming Languages Through The Years

In this challenge, users will take turns completeing three fairly simple coding tasks in programming languages that are allowed to be progressively older. The first answer must use a programming ...
61
votes
192answers
19k views

Is this even or odd?

Note: There is not been a vanilla parity test challenge yet (There is a C/C++ one but that disallows the ability to use languages other than C/C++, and other non-vanilla ones are mostly closed too), ...
100
votes
95answers
11k views

Make an error quine!

Your challenge: write a "program", for a language of your choice, that causes the compiler/interpreter/runtime to produce error output when compiling/running your program which is identical to your ...
106
votes
40answers
30k views

Program that creates larger versions of itself (quine-variant)

You are to write a program that will output source code that is Larger than the original program (character wise) Will print another program larger than itself when run (i.e. the new program is also ...
82
votes
65answers
13k views

Print your code backwards - reverse quine

Write a program that prints its own source code out backwards, in other words an eniuq. Scoring: +50 if you use pull data from the Internet. +25 if you read your own source code. +1 point per ...
88
votes
79answers
9k views

Unique is Cheap

Write a function or program that determines the cost of a given string, where the cost of each character equals the number of how many times the character has occurred up to this point in the string,...
71
votes
49answers
10k views

Tips for golfing in Haskell

What general tips do you have for golfing in Haskell? I am looking for ideas that can be applied to code golf problems in general that are at least somewhat specific to Haskell. Please post only one ...

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