Ruby solutions to various questions in the "Cracking the Coding Interview" book by Gayle Laakmann McDowell.
Also included are other puzzles given to me on coding intervews and/or ones that I just found interesting.
##Running the tests
You can run the tests for each individual exercise as follows:
rspec /
So, for example, to run the spec for exercise 9.4a_subsets.rb, you would:
rspec chapter_09/9.4a_subsets.rb