Regex
RegEx, list sorting
Infinite streams, MD5, binary encoding
String parsing, functions as first-class citizens
String parsing
Regex, modular arithmetic, IO
String parsing, recursion
Parsing, pattern matching
Calulated by hand
Simple VM
Pathfinding, breadth-first search
Memoization with ETS
Bruteforce solving algebraic equations
Binary transformation + checksum
Breadth-first search
Elementary cellular automaton
Josephus problem
Using Ranges without enumeration
Another simple VM
Parsing integer data for analysis
VM/assembly program inspection, optimization
BFS, Traveling Salesman Problem
VM/assembly program inspection