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Collections are a way for you to organize kata so that you can create your own training routines. Every collection you create is public and automatically sharable with other warriors. After you have added a few kata to a collection you and others can train on the kata contained within the collection.
Get started now by creating a new collection.
This comment is hidden because it contains spoiler information about the solution
This comment is hidden because it contains spoiler information about the solution
The problem does not say "fair" anywhere in it. If "fair" is not specifically required, does the kata need to test how well the user can deal with random numbers, or how well the user knows their RNGs and can do research?
Consider the existence of dieharder.