In this question (which is tagged kolmogorov-complexity), many answers used x for ×. I was wondering if this is generally allowed in such questions, since many answers used it.

Implement Uiua's 'tuples' function In the programming language Uiua, there is a higher-order function called tuples which is a generalization of getting the permutations or combinations of an array. Tuples takes a list \$ a \$, a sample size \$ r \$, and a function \$ f \$ taking two numbers repr...

Burrows–Wheeler transform for binary Yes, you heard me right. Simple implementation for BWT, but with alphabet with two symbols. For position of the first original character allocate five bytes at end of file. Program must read file, transform it, and save on disc. And in reverse, read transforme...