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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.
PHP. I was able to submit after hiting "Submit final" about 10 times. It seems this "superformula" is too long :)
which language? I can't remember any super one in Java and was a bit dissapointed with the test cases...
All testes passed though. So how do I proceed in such case? I believe I solved it in quite short and elegant way, though with regexps, which can take memory. There is nothing regarding memory restrictions in requirements, so this should pass...
Not valid. The task clearly says: "You get an array of arrays". You cannot get a scalar value there.