It's a dog! code-golf ascii-art decision-problem The city defines a dog as any living entity with four legs and a tail. So raccoons, bears, mountain lions, mice, these are all just different sizes of dog. Given an ASCII-art image of an animal, determine if that animal is a dog. \ \ | / / ...

Enable 2char-JsFuck Write some javascript code that allow using only 2 characters to execute all javascript code. As I can tell, these are possible chosen set: f` f+ [] Obviously, the first one is lot easier than the other few. Therefore, different set are not scored together. Shortest code in e...

Given a 2D array, output whether it's possible to generate an array from an array of same dimension1, by repeatedly filling whole row or whole column with same value. Test cases: [[1,1,1,1,1], [2,3,4,5,6], [2,3,4,5,6]] => true [[1,1,1,1,1], [2,3,4,1,6], [2,3,4,1,6]] => true [[1,1,1,1,6], [...

Definitions A \$ \xi \$-word is defined as a string of letters such that every letter in the string appears an even number of times. For example, aeaeccaa is a \$ \xi \$-word. The function \$ T \$, which operates on \$ \xi \$-words, is defined as follows: Replace the odd-positioned (first, thir...

Base64 fixed point Given positive integer n, output a string, which after base64 encoding, results in string starting with the outputted string. You can assume it possible. Test cases: 1 => V 2 => Vm 3 => Vm0

Introduction An abstract syntax tree (AST) is a tree of tokens that shows their connection to each other and syntactical meaning. They are commonly used in compilers and static analysis tools, as parsing a language into an AST helps remove any ambiguity and can be helpful for optimizations. Many ...