One of your acquaintances has a hobby of making make-shift electrical gadgets using various types of batteries. However, since they're thrifty, they want to use as few batteries as possible for their projects. This challenge uses several types of batteries; your job is to output the fewest number...

A Lung Disease Caused by Inhaling Silica Dust kolmogorov-complexity code-golf Your challenge? Simple. Print the string Pneumonoultramicroscopicsilicovolcanoconiosis with the exact capitalization. The reason I chose this string is that I doubt golflangs will have a compression dictionary entry for...

Optimally break a string into substrings code-golf string optimization Given a string, like potatocarrot, optimally break it into substrings. These substrings can consist of either a single character, or one of a list of substrings passed as input. For example, if [carrot, potato] was the input, ...

There is a TikZ-impostor Among us. Background After learning about some amazing TikZ packages such as tikzducks, tikzpeople and tikzsymbols, which I let some examples below, I harvested some inspiration to starting learning skills in order to be able to create my own set of flexible TikZ drawing...

Title: What version is this? Print out the current version or version range of the language implementation (compiler, assembler, interpreter, transpiler, whatever applies). To make things interesting: Language implementations with only one version are banned. Any language or library feature inte...

#How many sieve hits? code-golfsequenceprimes Sieve of Eratosthenes is a method for finding prime numbers: take the sequence of all positive integer numbers starting from 2 then for each remaining number drop all its multiples. 2 3 x 5 x 7 x 9 x 11 x 13 x 15 x 17 x ... 2 3 _ 5 _ 7 _ x _ 11 _ 13 _...