Linked Questions

20
votes
28answers
4k views

Write an interpreter for *

The task is simple. Write an interpreter for the language *. Here's a bigger link to the wiki. There are only three valid * programs: * Prints "Hello World" <...
18
votes
11answers
2k views

Write an interpreter for my esoteric language Jumper

I have thought up esoteric language Jumper. Later you will see why. It operates with random-access-memory with bytes as cells. RAM is zero indexed and initially filled with zeros. When trying access ...
30
votes
11answers
1k views

Print, Increment, Decrement, Alias - Interpret Prindeal

Prindeal (pronounced prin-dee-al) is a new esoteric programming language that only has four commands: print, increment, decrement, and alias. Despite its minimalism, complex mathematical operations ...
201
votes
297answers
47k 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 ...
430
votes
771answers
132k 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 ...
510
votes
230answers
114k 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 ...
122
votes
273answers
26k 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 ...
67
votes
212answers
20k 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), ...
56
votes
35answers
7k views

Tips for golfing in Bash

What general tips do you have for golfing in Bash? I'm looking for ideas that can be applied to code golf problems in general that are at least somewhat specific to Bash (e.g. "remove comments" is not ...
195
votes
79answers
34k views

Make your language unusable

Try to write some code in your language and make it not satisfying our criteria of being a programming language any more. A language satisfies our criteria (simplified version for this challenge) of ...
-11
votes
7answers
320 views

The null challenge: do nothing [closed]

Write the shortest possible program or function in your language that does nothing. Specifically, it must take no input or ignore its input, and must not produce any output in any legal output method ...
75
votes
37answers
12k views

Non-discriminating Programming

We say a string is non-discriminating if each of the string's characters appears the same number of times and at least twice. Examples "aa!1 1 !a !1" is non-...
43
votes
66answers
5k views

Blinking twelve

Many electronic devices, specially old ones, will show a blinking 12:00 when the time has not been set. The purpose of this challenge is to recreate this. ...
65
votes
36answers
11k views

Enlarge ASCII art

In this challenge, you must take multiline ASCII art as input, such as: ...
146
votes
25answers
18k views

Shortest Code to Legitimately Slack Off

I'm a developer, and I don't feel like doing my work. I know from XKCD that the best excuse for slacking off is that your code's compiling. Because of this, I think I need some code that will compile ...

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