Unanswered Questions

29
votes
0answers
2k views

Build a working game of Tetris in Conway's Game of Life

Here is a theoretical question - one that doesn't afford an easy answer in any case, not even the trivial one. In Conway's Game of Life, there exist constructs such as the metapixel which allow the ...
19
votes
0answers
2k views

Rubik's Revenge

Everyone likes a good puzzle. After all, that's the basis for Code Golf and Code Challenge! What better puzzle exists than the famous Rubik's Cube? Well what else but her slightly larger sister, ...
15
votes
0answers
412 views

Build a fewest-moves freecell solver

In the game of Freecell, you are tasked with building four foundation piles in suit from ace to king, on a layout where you build downward in alternating colours. However, you can only build one card ...
14
votes
0answers
189 views

ASCII Scores ­­­­­

Digging around in the depths of your temp folder, you find some compositions for the piano. Unfortunately, these compositions were written with note names and durations only, and you only have access ...
13
votes
0answers
880 views

Efficient error-free* encoding

The mission As is well known, the genetic material of all known creatures on Earth is encoded in DNA; using the four nucleotides adenine, thymine, cytosine, and guanine. (Commonly represented by ...
12
votes
3answers
515 views

You call it Centering, I call it Code Golf

"Let's face it, aligned images are like little gifts from Heaven. Welcome, but unexpected." - Geobits +10000 reputation to whoever wins this challenge. Rules: 1) You are to generate a program. 2) ...
11
votes
0answers
171 views

Automatic price-identification of scrolls in Nethack

OH GODS NO!! You can't leave us here with Doorknob! It'll be nethack everywhere! - 1d ago by Geobits Well, couldn't disappoint... Introduction (you can skip this section if you don't care about ...
11
votes
0answers
200 views

Draw a Spinning Pinwheel

Remember those fun pinwheels that you blow on and they spin round and round? Let's code one! A pinwheel will have the set of characters \ | / _ drawing its center and arms. One possible pinwheel ...
11
votes
1answer
369 views

Build a poisoned wine testing scheduler

Recently at Puzzling.SE, there was a problem that I wrote about determining which two bottles out of a larger number are poisoned when the poison only activates if both components are drunk. It ended ...
10
votes
0answers
168 views

Given a table, place in the chairs

Challenge You will be given a table as input, drawn with ASCII | and _. Your task is to set the chairs around it. Example Input: ____ | | | | | | | | |____| Output: _^_^_ < ...
10
votes
0answers
804 views

Design and Solve a Maze [on hold while sandboxing]

Your task is to play the roles of both characters in this scene from Inception. In it, Cobb gives Ariadne a challenge: You have two minutes to design a maze that takes one minute to solve. Some ...
9
votes
0answers
137 views

Calculate a Pedigree

A little genetics lesson When you only have access to someone's visible traits or phenotype, a pedigree of their family history is often used to figure out the actual genetic information or, genotype ...
9
votes
0answers
261 views

Twelve-coin problem

Background The twelve-coin problem is a classic balance puzzle commonly used in job interviews. The puzzle first appeared in 1945 and was posed to my father by my grandfather when he asked to marry ...
9
votes
0answers
581 views

Find the beats in an MP3 file

In this challenge, your task is to take an simple recording in mp3 format and find the time offsets of the beats in the file. Two example recordings are here: ...
8
votes
0answers
309 views

Lossy ASCII art compression

Background PICASCII is a neat tool that converts images into ASCII art. It achieves different degrees of brightness by using the following ten ASCII characters: @#+';:,.` We'll say that these ...

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