Linked Questions
109 questions linked to/from "Hello, World!"
32
votes
64answers
6k views
Cat goes “Meow”
cat goes "Meow"
We are all familiar with the concept of a cat program. The user types something in, it is echoed back to the ...
26
votes
60answers
5k views
How long is my number?
Challenge
Given an integer, Q in the range -(2^100) ≤ Q ≤ 2^100, output the number of digits in that number (in base 10).
...
91
votes
15answers
9k views
Create a programming language that only appears to be unusable
Robbers' challenge thread is here.
Cops' challenge: Design a programming language that appears to be unusable for programming, but admits computation (or at least completion of the task) through some ...
23
votes
49answers
6k views
Write a hello world GUI program that closes itself after three seconds
Please read the rules, and the bold areas as well.
Write a program in any language, so long as it has GUI support for a window system (cannot be text-consoles, etc., and must be a GUI/toolkit/window)....
72
votes
15answers
11k views
Hello World in Multiple Languages
Task
Create a program or a function that is valid in multiple programming languages, and when compiled/interpreted as a different language outputs "Hello, World!" in a different natural language.
...
71
votes
11answers
6k views
Fault-Tolerant Hello World
At the end of your interview, the Evil Interviewer tells you, "We make all of our applicants take a short coding test, to see if they really know what they are talking about. Don't worry; it's ...
42
votes
28answers
3k views
Surprise Party for Brain-Flak
This question is part of a series Brain-flak Birthday challenges designed to celebrate Brain-Flak's first Birthday. You can find more information about Brain-Flak's Birthday here.
Today is Brain-Flak'...
25
votes
56answers
3k views
MacGyver's Toolbox [duplicate]
In this question each answer will get a "toolbox" that can be used to construct a program/function. The toolbox will consist of two things:
a list of programming languages
a list of valid characters
...
21
votes
47answers
4k views
Write a “Hello” interpreter
Background
Hello is a language "written" by Anne Veling, which errors if the program does not contain only h, and will print ...
41
votes
27answers
7k views
Count Like a Babylonian
Challenge
Given an ASCII representation of a Babylonian number as input, output the number in Western Arabic numerals.
Babylonian Numeral System
How did the Babylonians count? Interestingly, they ...
46
votes
18answers
12k views
Tips for golfing in Jelly
Jelly is a tacit, golf-oriented programming language by our very own Dennis. It’s popping up in answers here more and more often, beating other golf-y languages like Pyth and CJam, both by using its ...
44
votes
16answers
15k views
Biggest Irreducible Hello World
Create a program that outputs Hello, World!
The winner is the source code that is the biggest, subject to the constraint that it is irreducible
For this challenge,...
34
votes
32answers
3k views
Help me Open the Box
I have an ASCII-art box and I need a program to open it.
Examples
Input:
-------
| |
|_____|
Output:
...
20
votes
27answers
2k views
8 ought to become Infinity [closed]
Let's take a look on a typical loop, which usually performs 8 iterations:
for (int x=0; x<8; ++x);
You have to make it infinite!
It's a popularity-contest ...
100
votes
9answers
6k views
Write an interpreter for 99
99 (pronounced "ninety-nine") is a brand new Esoteric programming language (not to be confused with 99, note the italics). Your task in this challenge is to write an interpreter for 99 that is as ...