What's really neat is that most of the problems are so compact that you can just read about the full problem, then spend hours and days thinking about possible

What's really neat is that most of the problems are so compact that you can just read about the full problem, then spend hours and days thinking about possible solutions. I created a PDF version that I keep on my Remarkable for puzzling: https://github.com/pveierland/project_euler_offline https://github.com/pveierland/project_euler_offline