Welcome to the London Big-O Meetup! This is London's first meetup focusing on data structures and algorithms, regardless of programming language. I started this meetup for a few reasons. There's a general lack of similar events for people interested in the theory or maths behind the tools we use every day—dictionaries, sets, lists and regular expressions are things we all take for granted, but when you reach a large enough scale, the differences between implementations begin to show. It's import …