WheatWizard‭

You are a low-level censor working for the Ministry of Media Accuracy. Part of your job is to make sure that certain words don't appear in publications. Every morning you get a fresh stack of next...

4 answers  ·  posted 2y ago by WheatWizard‭  ·  last activity 2y ago by Shaggy‭

Task Given a list of numbers $X$ produce a second list of numbers $Y$ such that $Y_i$ is the length of the longest common prefix of $X$ and $X$ with the first $i$ elements removed. For example if...

1 answer  ·  posted 2y ago by WheatWizard‭  ·  last activity 2y ago by TheCodidacter, or rather ACodidacter‭

Given a list of non-negative integers the function $f$ replaces every integer with the number of identical integers preceding it (not necessarily contiguously). So f [1,1,2,2,1,3,3] = [1,2,1,2,3,1...

1 answer  ·  posted 1y ago by WheatWizard‭  ·  last activity 1y ago by isaacg‭

Given two binary strings $A$ and $B$ such that $A$ is an anagram of $B$, output a third binary string $S$ such that both $A$ and $B$ can be created by iterated removals of the substring $10101$ fro...

2 answers  ·  posted 2y ago by WheatWizard‭  ·  last activity 25d ago by m90‭

You work at a beach. In the afternoon, the sun gets quite hot and beachgoers want to be shaded. So you put out umbrellas. When you put out umbrellas you want to shade the entire beach, with as few ...

2 answers  ·  posted 1y ago by WheatWizard‭  ·  last activity 1y ago by justhalf‭

An polyomino is a non-empty connected subset of the square tiling consisting of squares joined along their edges. We will not require that polyominos be simply connected, that is they can have hole...

0 answers  ·  posted 2y ago by WheatWizard‭

Haskell + hgl, 134 bytes k=cy"X.XX" x#1=[4,0,9,9]!x 2#y=8 3#y=[8,9,4,4]!y x#3=[0,3]!x _#_=0 x?y|(n,j)<-fvD 4$x%4#(y%4)=tk y$dr j$tk x<dr n<cy[dr2 k,k,cy".X",k] Attempt This Onlin...

posted 2y ago by WheatWizard‭  ·  edited 2y ago by WheatWizard‭

I'm going to reiterate and build off ideas I laid out on this post on PPCG. First let's point out that at current the leader board does not support fractional scores. In this answer I am going to ...

posted 2y ago by WheatWizard‭  ·  edited 2y ago by WheatWizard‭

Haskell + hgl, 14 bytes xBl<<ss><fn<iw Attempt This Online! Explanation ss gets all substrings of the input fn filters out the substrings that don't ... iw checks if the fo...

posted 2y ago by WheatWizard‭  ·  edited 2y ago by WheatWizard‭

In this challenge you will take a number $n$ and a string $X$ of length $\geq n$, and produce a regular expression which matches all strings that are withing $n$ character substitutions of $X$. Sp...

3 answers  ·  posted 2y ago by WheatWizard‭  ·  last activity 2y ago by WheatWizard‭

Task You are going to take three strings as input $A$, $B$ and $X$. And your goal is to determine if there exists a third string $S$ such that both $A$ and $B$ can be formed by iteratively removin...

0 answers  ·  posted 2y ago by WheatWizard‭  ·  edited 2y ago by WheatWizard‭

Given a number $n \geq 3$ as input output the smallest number $k$ such that the modular residues of $k$ by the first $n$ primes is exactly $\{-1,0,1\}$. That is there is a prime in the first $n$ p...

0 answers  ·  posted 2y ago by WheatWizard‭  ·  edited 2y ago by WheatWizard‭

The Universal Crossword has a set of guidelines for crossword puzzle submissions. In this challenge we are going to be concerned with their rules for hidden word themes. A hidden word clue consis...

1 answer  ·  posted 1y ago by WheatWizard‭  ·  last activity 1y ago by Razetime‭

You work in a kitchen which has a peculiar rule. When you mix something into a pot you must always add at least one new ingredient. So you can add pasta, oil, salt then pesto, but not pasta, pesto...

1 answer  ·  posted 1y ago by WheatWizard‭  ·  last activity 1y ago by isaacg‭

In this challenge you will take an Irish word and a personal pronoun and create the possessive pronoun construction combining the two. For example sé, madra becomes a mhadra. Translated to English...

1 answer  ·  posted 1y ago by WheatWizard‭  ·  last activity 1y ago by Arpad Horvath‭