Linked Questions

-5
votes
15answers
192 views

Hello ASCII World!

Construct a full program which outputs Hello, World!. The score of your submission will be equal to the sum of all of the ASCII values of the distinct characters. ...
24
votes
23answers
3k 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 "...
3
votes
1answer
98 views

Best free online resources to learn competitive programming [closed]

I am quite proficient in C++ and Java and want to learn competitive programming to participate in contests like Google codejam and other online contests held on sites like CodeChef and Codeforces. I ...
23
votes
5answers
2k views

Tips for Creating/Maintaining a Golfing Language

Creating a golfing language can be hard. Let's help budding golfing language creators out and provide some helpful tips on how to create one. I'm looking for tips on: The design process ...
40
votes
15answers
14k 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,...
7
votes
44answers
2k views

Letters challenge

Using the word “conemon” print each character 2 times more than the last. The first letter, “c”, should be printed 10 times, the second 12 and so on. Each repeated-letter-string should be printed on a ...
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 ...
31
votes
3answers
733 views

Build a golfing language with me

A lot of PPCG users helped with the creation of this challenge, both in chat and the Sandbox, specifically Martin Ender, AdmBorkBork, Emigna and user202729 Our community has found it necessary to ...
54
votes
149answers
7k views

Output your Score!

Challenge: The concept is simple enough: write a full program to output its own code golf score! Output should only be the byte count of your program and a trailing ...
13
votes
6answers
933 views

Text to Brain-Flak

Your challenge is to turn input text to brain-flak code that will output the text. Tutorial taken from here with permission here Brain-Flak has two stacks, known as 'left' and 'right'. The active ...
32
votes
3answers
2k views

Design a One Instruction Set Computer!

Notice: I'm willing to give a bounty to any answer that I find interesting. Your challenge is to design a Turing-complete one instruction set computer (OISC): An OISC is an abstract machine that ...
301
votes
23answers
39k views

Write Moby Dick, approximately

Here is a 1.2Mb ASCII text file containing the text of Herman Melville's Moby-Dick; or, The Whale. Your task is to write a program or function (or class, etc. -- see below) which will be given this ...
-3
votes
23answers
479 views

8 8's make 1000

Print the following output of a happy coincidence addition pattern: 8 8 8 88 +888 ---- 1000 Rules: No leading spaces except the ones already present ...
71
votes
15answers
10k 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. ...
15
votes
97answers
6k views

Turn an integer n into a list containing it n times

Given an integer n as input, return a list containing n, repeated n times. For example, the ...
29
votes
72answers
3k views

Script that outputs a script that prints a given input

Write a piece of code that takes a string as input, and outputs a piece of code in the same language that, when run, will output the initial input string. It must be able to handle any combination of ...
10
votes
2answers
306 views

Implement the Cubically Cube

Cubically is a fairly new esoteric language capable of creating short, golf-like answers for a very specific subset of problems. It is unique in that it stores memory in the form of a 3x3 Rubik's cube,...
19
votes
4answers
2k views

Most efficient cubifier

Cubically is too tedious to manually write any code in. Your challenge is to translate ASCII text into Cubically source code. Cubically This is just a quick run-down of Cubically; the repository has ...
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 ...
62
votes
110answers
9k views

Make a ;# interpreter

I recently created a new language called ;# (pronounced "Semicolon Hash") which only has two commands: ; add one to the ...
26
votes
56answers
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). ...
28
votes
1answer
701 views

Unrestricted Languages

One of my favorite types of challenges on this site are restricted-source challenges. These challenges impose a computer tractable restriction that the sources of potential answers must pass. I like ...
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'...
18
votes
10answers
3k views

This is how we roll

Piet is an interesting programming language for a number of reasons. Today we will focus on one reason: the roll command. The roll command was originally from PostScript and is a powerful way to ...
1
vote
18answers
464 views

Flip a coin for me! [duplicate]

Note: There was not a vanilla challenge to actually flip a coin, even though there were mentions about flipping coins a lot of places. Even though there is a challenge to generate a random number from ...
67
votes
212answers
21k 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), ...
24
votes
3answers
1k views

Hello World - but alphabetically

This challenge sounds too simple to not already exist, so let me know if it is a duplicate. The task Print Hello, world! The rules Your code has to be in "byte ...
55
votes
35answers
6k views

Create an Alphabet Song

Your goal is to create an alphabet song as text in the following form (in order): ...
0
votes
2answers
221 views

Tell me I'm pretty! [closed]

I only very recently discovered code golf and just found this part of the Stackexchange network, and naturally after looking at so many clever answers, I feel inferior. Inner me knows I'll get better ...
51
votes
53answers
7k views

Create a Checkbox

Write a program that creates a two-state checkbox that people can interact with using a mouse. Specifically, your program should achieve all of the following: Have a 8×8 pixel (or larger if ...

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