Linked Questions

40 votes
133 answers
5k views

Lolololololololololololol

Let us take a break from the brain-wrecking questions and answer some of the simpler ones You have recently read something extremely funny, and want to express your laughter to the world! But how can ...
SunnyMoon's user avatar
  • 2,699
33 votes
30 answers
5k views

Ah, why is there a bug in my program?

This challenge is inspired by @LuisMendo's MATL answer to my "binary multiples" challenge. Task Pick a code-golf challenge that is open and that has been posted before this one; let me call it the "...
RGS's user avatar
  • 14.1k
55 votes
203 answers
14k views

Scream very loudly

Write a script that outputs A to stdout infinitely. There should be no newlines or separators between the characters. Standard loopholes apply. This is code-golf. ...
Tornado547's user avatar
  • 1,143
25 votes
35 answers
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" <...
TheOnlyMrCat's user avatar
  • 1,349
84 votes
42 answers
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-...
Laikoni's user avatar
  • 26.2k
79 votes
261 answers
25k 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), ...
Matthew Roh's user avatar
  • 5,347
155 votes
29 answers
20k 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 ...
Esolanging Fruit's user avatar
46 votes
71 answers
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. ...
Luis Mendo's user avatar
  • 105k
51 votes
71 answers
11k views

Shortest program that continuously allocates memory

Write a program which runs forever and allocates more and more memory on the heap the longer it runs, at least until you reach the limit of the operating system on the amount of memory that can be ...
tbodt's user avatar
  • 2,426
18 votes
17 answers
1k views

PPCG Jeopardy: Robbers

How well do you know the site? Let's find out. This is a cops-and-robbers challenge. Cop's thread. As a robber, you need to: Find a non-deleted, non-closed challenge that matches a cop's ...
Nathan Merrill's user avatar
173 votes
495 answers
35k views

Implement a Truth-Machine

A truth-machine (credits goes to this guy for coming up with it) is a very simple program designed to demonstrate the I/O and control flow of a language. Here's what a truth-machine does: Gets a ...
a spaghetto's user avatar
  • 11.2k
220 votes
89 answers
39k 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 ...
jimmy23013's user avatar
236 votes
369 answers
66k 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 ...
Dennis's user avatar
  • 210k
522 votes
985 answers
194k 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 ...
Martin Ender's user avatar
37 votes
13 answers
2k 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 ...
Calvin's Hobbies's user avatar

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