| Name | Lines of code | Maintainability | Test coverage |
| languages/elixir.rb | 15 | A 40 mins | |
| languages/haskell.rb | 15 | A 0 mins | |
| languages/java.rb | 19 | A 0 mins | |
| languages/javascript.rb | 15 | A 40 mins | |
| languages/julia.rb | 15 | A 0 mins | |
| languages/perl.rb | 15 | A 40 mins | |
| languages/php.rb | 15 | A 40 mins | |
| languages/python.rb | 20 | A 0 mins | |
| languages/ruby.rb | 15 | A 40 mins | |
| languages/scala.rb | 17 | A 0 mins | |
| lib/euler.rb | 77 | A 25 mins | |
| lib/euler/errors.rb | 4 | A 0 mins | |
| lib/euler/problem.rb | 48 | A 0 mins | |
| lib/euler/solution.rb | 57 | A 0 mins | |
| lib/euler/version.rb | 3 | A 0 mins | |
| rake/clean.rake | |||
| rake/sha_answers.rake | |||
| rake/update.rake | |||
| templates/Eulerfile.rb | 2 | A 0 mins | |
| templates/c.c | |||
| templates/coffeescript.coffee | |||
| templates/elixir.ex | |||
| templates/haskell.hs | |||
| templates/java.java | 6 | A 0 mins | |
| templates/javascript.js | 3 | A 0 mins | |
| templates/julia.jl | |||
| templates/perl.pl | |||
| templates/php.php | 3 | A 0 mins | |
| templates/python.py | 3 | A 0 mins | |
| templates/ruby.rb | 3 | A 0 mins | |
| templates/scala.scala | 5 | A 0 mins |