Posts by WheatWizard‭

Haskell + hgl, 10 bytes mpn$ce~<gj Attempt This Online! Explanation mpn map across all non-empty prefixes of the input ... ce count the number of elements in each prefix equal to ... g...

posted 3y ago by WheatWizard‭

Haskell + hgl, 30 bytes ic"|"<<tv(:".")><fl<ce '.'><eq Attempt This Online! Explanation This performs a cartesian product to get all possible ways to replace characters w...

posted 3y ago by WheatWizard‭

We are going to define a simple little language. A word in this language is a binary string where the longest run of consecutive $0$s, is shorter than every run of $1$s which is not contained withi...

0 answers  ·  posted 10mo ago by WheatWizard‭  ·  edited 10mo ago by WheatWizard‭

Write a function $f$ which takes rational numbers and gives binary fractions (rational numbers whose denominator is a power of two) which is bijective and preserves order. That means: Different...

0 answers  ·  posted 1y ago by WheatWizard‭  ·  edited 1y ago by WheatWizard‭

Your national space agency has just landed a rover on Mars, and now you are in charge of controlling it. The rover can move in any of the 4 cardinal directions N, E, S, and W. To instruct the rove...

posted 2mo ago by WheatWizard‭  ·  edited 2mo ago by WheatWizard‭