Input A string or list of items k. Output A value indicating whether k can be expressed as a+b+b, where a and b are non-empty.

Input An integer k composed of 1 and 2, with at least 3 digits and at most 200 digits. Output Another integer k' obtained by removing at most one (could be none) digit from k, such that k' is composite, and then another integer p for a non-trivial (that is, not 1 or k') factor of k'. Test Cases 1...

ahee bee cee dee ehee... Given a string with no whitespace, swap out the first later for every letter in the english lowercase alphabet. However, if the input string starts with a vowel (including y), then there should be an extra h before the input string for the prefixes aeiouy. For example, if...

Zsh -P, 51 bytes x=(a e i m n o u) echo $x{f,h,l,r,s}$x{b,d,g.}|fold Attempt This Online! The output has some trailing spaces, which I think are normally allowed, but if not, this can be fixed by adding |cut -c-79 (+10 bytes). Explanation The basic idea is to generate a number of unique Martian ...

What are the current football (soccer) league positions? English football is structured into leagues with varying numbers of clubs. For example, the EFL Championship has 24 clubs. During each season, each side will play every other side twice (once at home and once away); for a 24-club league, th...