Unanswered Questions

48
votes
0answers
3k 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 ...
30
votes
0answers
745 views

Fix the Meeesesessessesseesseessedessed upp teeexexextext

This is inspired by Monday Mini-Golf #6: Meeesesessess upp teeexexextext Background ETHproductions have difficulty entering text on his usual webpage. Whenever he use digits or letters, the text ...
23
votes
0answers
430 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 ...
21
votes
0answers
467 views

Solve a traffic intersection

The task Write a program or function that takes a traffic intersection structure and outputs the sequence, in which vehicles will pass. The output should contain at most four lines with the ...
20
votes
0answers
603 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 ...
19
votes
0answers
270 views

Four steps to the left: vipers. Four steps to the right: a cliff. Don't die!

Introduction Suppose for a moment that the vipers and cliff are only two steps away, instead of three. o --- Hsss! | ';;' ___ /_\ ___ _ | You ...
18
votes
0answers
395 views

Solve an 0h n0 board

0h n0 is a very simple and enjoyable game, a bit like Sudoku or minesweeper. Game rules (I recommend using the tutorial in the game if you can, it is very simple and useful) The puzzle starts with ...
18
votes
0answers
779 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: ...
17
votes
0answers
169 views

Reverse Engineer Bracket Rectangles

Every programmer knows that rectangles □ are really fun. To exacerbate this fun, these cute and fuzzy diagrams can be transformed into groups of interwoven brackets. This challenge is the inverse of ...
17
votes
0answers
241 views

Plumbing Random Paths

Write a program or function that takes in three integers, a width w, a height h, and a step count s. You will be drawing a non-self-intersecting random walk s steps long on a 5*w by 5*h pixel image ...
15
votes
0answers
270 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: _^_^_ < ...
14
votes
0answers
194 views

Minifying math statements

The Challenge You are the owner of an amazing service called Coyote Beta, which magically answers math questions its users send to it over the internet. But it turns out, bandwidth is expensive. ...
14
votes
0answers
331 views

Generating Picture Mazes

Challenge Write a program/function that accepts an "image" and outputs a picture maze formed from that image. Input Your program should accept two arguments: I, the image to form the maze from S, ...
13
votes
0answers
291 views

Make a math equation from the date

In my Economics class, my friends and I like to come up with ways to rearrange the digits in the date (in MM/DD/YY) format to create a valid mathematical equation. For the most part, we are allowed to ...
13
votes
0answers
351 views

Radiation Hardened Quine

As you should (hopefully) know, a radiation hardened quine is a quine that you can remove any one character from and still print its original, pre-modified source. The thing is, with most of these you ...

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