I am working on the problems at ProjectEuler.net. I've decided to build all of these in vanilla Ruby, and decided not to include any Gems or frameworks other than those needed for testing. In cases where a certain function in vanilla Ruby makes a question trivially simple (1-statement solutions), I will generally try to build my own equivalent of said function.
- Clean Code
- Succinct, Legible, Documented
- Fully Tested
- Build out tests for each completed problem.
- Fast Code
- Included benchmarking code can be run to determine slowest problems.
As I continue working on these problems, I hope to build out a suite that allows other users to run their own solutions against mine.
Each problem is solved with a simple method. These methods can be found in a file named with the problem number, for instance solutions/001.rb for the first problem. Each of these files contain a class named with the number of the problem, for instance One. Each initializer takes in any options, or can be initialized without options to solve the original question.
irb> load 'euler.rb'
irb> One.new(1000).solve
=> 233168
irb> One.new.solve
=> 233168
irb> One.new(20).solve
=> 78
irb> TaylorTimer.time_all
# Goes through the test suite and runs all, printing timing results.