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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.
absolute troll decided to 1 index that particular test
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Is there some faster way than using a Sieve of Eratosthenes to find all possible primes up to the largest number and checking against all of those?
You should really explain what an "ij" is.
What's the actual definition of a "peak"?