In this post, we'll share some tips and tricks that we have in solving these puzzles. Any generic tips can be shared here. Those hints that pertain to a specific day should be posted there.
One tip I have is to use the examples given as test data. You are provided with an example (or two) and what that data should return as an answer. Use this to test your code with a small amount of data before letting loose on the actual puzzle.
Retrieving data ...