Want to get involved? We're always looking for ideas and content for Weekly Challenges.
SUBMIT YOUR IDEAWas a little intimidated at first but ended up being very satisfying.
Did I unnecessarily overcomplicate my lookup tables? Perhaps, but that's my business. 🤣
Here's my solution, which answers the question, "How many vehicles have invalid codes?"
Took a second to get my head around the wikipedia page, but here is a (long-winded) solution: