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Questions tagged [answer-chaining]

An answer-chaining challenge is a challenge where previous answers to the challenge influence how new answers are produced.

30
votes
16answers
2k views

Overlapping Polyglots

Unlike many C&R challenges, this does not require a separate robbers post; the goal of the robbers is to crack the previous answer and then post a new one as a cop. As answerers, you will write a ...
16
votes
10answers
756 views

Q​u​i​n​e R​e​l​a​y​!

Quine Relay! A quine relay of order \$n\$ is a series of programs \$P_1\dots P_n\$ in distinct languages such that each program \$P_i\$ outputs \$P_{i+1}\$ and \$P_n\$ outputs \$P_1\$. For example, ...
14
votes
50answers
2k views

Add a egaugnaL to a polyglot

This is an answer-chaining question, which means that all answers are affected by those before them. The task The n-th answer to this question must run in all languages that are present in answers ...
29
votes
3answers
503 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 ...
26
votes
31answers
4k views

Print the Previous Answer!

This is an answer-chaining challenge in which each answer builds on the previous answer. Taking no input, you are to output the most recent submission to this thread. I would HIGHLY suggest sorting ...
47
votes
31answers
4k views

Does it Lead or Follow?

In this challenge you are to write a program or function, that takes a string as input and outputs one of two possible values. We will call one of these values truthy and one falsy. They do not need ...
-4
votes
2answers
211 views

Polyglot the English Alphabet! [closed]

In this polyglot challenge, you will work together to figure out how to output all the 26 letters of the English alphabet! How does this work? For each answer, you must pick a new language (or a new ...
12
votes
12answers
671 views

Travel Back in Quine

The challenge here is simple, and not at all about byte-count. Your job is to output the first 50 characters of the previous quine's source code, concatenated with the first 50 characters of yours ...
91
votes
346answers
16k views

One OEIS after another

As of 13/03/2018 16:45 UTC, the winner is answer #345, by Scrooble. This means the contest is officially over, but feel free to continue posting answers, just so long as they follow the rules. As ...
14
votes
2answers
381 views

MacGyver's Second Toolbox

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 ...
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 ...
25
votes
41answers
2k views

Answer-Chaining Fibonacci

(Inspired by ASCII's 95 Characters...95 Movie Quotes) The Challenge Given input n, output the nth Fibonacci number. You ...
14
votes
23answers
1k views

Answer-Chaining - Positive divisors of a number

This answer-chaining challenge is officially over, resulting in the win of Wheat Wizard, with a total of 7 answers. Any other answer is welcome, but it won't influence the accepted answer for this ...
15
votes
10answers
814 views

You Are the User: Create the Requirements

My boss* does not understand why her programmers react negatively to users changing program requirements. Help her understand! On every answer, create a new requirement. Then, write a program/function ...
34
votes
68answers
4k views

Evolution of Powers of Two

This is a repost of Evolution of “Hello World!”, originally written by user Helka Homba It should not be closed as a duplicated, due to meta consensus here. The original was asked over two years ago ...
33
votes
26answers
5k views

Do you know that language?

Task: Your challenge is, given previous submissions and itself as input, output the language that they're written in, in the following format: Say the first program is in Ruby. It must output ...
4
votes
1answer
312 views

Labyrinth Polyglot [closed]

Create a program that can create a randomly arranged maze (The path of the maze changes each time) with exactly 1 exit and one enterance and a minimum size of 8x4 and max size of 32x32, with the exact ...
226
votes
233answers
73k views

Add a language to a polyglot

This is an answer-chaining challenge in which each answer builds on the previous answer. I recommend sorting the thread by "oldest" in order to be sure about the order in which the posts are made. ...
-5
votes
4answers
377 views

Help Me Count to Ten! [closed]

You will write a simple program that prints exactly 1 2 3 4 5 6 7 8 9 10 to STDOUT, Console, or your language's closest output method. No other visible output ...
-1
votes
16answers
501 views

Print all the numbers! (At least, as many as possible.) [closed]

Your task is to print a number. Simple, right? It is simple, but not as simple as this. The first answer is to print the number 1, the second answer is to print the number 2, etc. Rules The first ...
24
votes
12answers
2k views

The Complement Cat

Objective Write a full program that outputs (to STDOUT or closest alternative) an arbitrary string of text, no more than 64 characters long. Simple enough, right? Well, here's the catch: You may not ...
35
votes
113answers
5k views

Let's make a word-search!

In this challenge, we will together create a word-search containing many programs in different languages. I have started us off with a grid of 60-by-25 blanks (·), ...
56
votes
146answers
5k views

Evolution of OEIS

In this challenge, the goal is to recreate the On-Line Encyclopedia of Integer Sequences one sequence at a time. Similar to the Evolution of Hello World, each answer depends on a previous answer. ...
17
votes
32answers
3k views

Print the first character of the previous answers

The accepted winner is isaacg, with his 7-bit ASCII answer. However, the challenge isn't over yet - this bounty is awarded to the shortest answer. If, somehow, you get all the first characters of all ...
164
votes
95answers
36k 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 ...
17
votes
36answers
3k views

The Jigsaw Code Puzzle

This is an answer-dependent challenge! The order of answers matters, and your exact task depends on the last answer that was posted. You might want to sort the answers by oldest. Let's piece together ...
42
votes
42answers
5k views

A Different Kind of Meta Regex Golf

Notice: Following popular demand I have slightly relaxed the rules: The maximum regex size grows by 1 byte every 5 answers. Answer N may use up to 29 + ⌈N/5⌉ bytes. The score of each answer ...
119
votes
95answers
20k views

ASCII's 95 Characters…95 Movie Quotes

Update: The winner has been decided, but the challenge is not over! Finally, nearly 3 months after the question first started, someone has remained the last answerer for more than a week! ...
221
votes
180answers
34k views

Evolution of “Hello World!”

This contest is officially over, the winner is jimmy23013. Congratulations! The challenge is to make a program that prints Hello World! to stdout. The catch is ...