3
votes
Sandbox for Proposed Challenges
Traffic jam!
One lane is closed, the vehicles have to thread their way in according to the zip-lock system: One car from one lane, the next car from the other lane.
Input: Two vehicle queues, ...
- 1,450
3
votes
Sandbox for Proposed Challenges
Classify a Coxeter group
In this challenge you will take as input a Coxeter matrix representing a Coxeter group. Your program will then classify it as one of the following:
Spherical
Euclidean
...
Wheat WizardMod
- 96.5k
3
votes
Sandbox for Proposed Challenges
Derive an MIU string
The MU puzzle in Douglas Hofstadter's Gödel, Escher, Bach involves a simple formal system called "MIU". It works as follows:
MI is ...
- 165k
2
votes
Sandbox for Proposed Challenges
Compute the Kimberling Sequence
code-golf
Introduction
The Kimberling Seqeunce is a sequence of sequences.
Each sequence is defined in terms of the previous sequence and the previous stage number.
At ...
- 211
1
vote
Sandbox for Proposed Challenges
code-golf number natural-language
Read a French number
We have Spell out numbers in French, Translate numbers to French and Telling time in French, but we were missing the reverse:
Challenge
Read a ...
- 569
1
vote
Sandbox for Proposed Challenges
Prefix-Suffix equality, part 1
Given an array of two distinct byte-sized values, please perform the following operations or their equivalent:
Construct an array of its nontrival prefixes and suffixes,...
- 165k
1
vote
Sandbox for Proposed Challenges
Write a Web server quine
Write a program that accepts HTTP requests on any port of your choice above 1024, and responds to requests for the root page with its own source code. It must work with, at ...
- 687
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