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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.
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I'm not sure that the label “fundamental” should be attached to this kata. Isn't this type of algorithm specifically linked to a particular field? So it's not fundamental in general, is it?
that's fuckin' smart <3
duration is not related here to number of lines your code have, but to number of loops it does.
Yeah, perhaps the solution is focusing on doing max one loop for each cost entry
Your solution should have O(n) time complexity to pass extra large tests
well, this is the best solution. The only thing is now we know kyu should be related to languages ! :)
So we're OK that other 5 kyus katas are more easy ?
Were the beta-testers kind of mathematicians ? Can't find the solution to pass extra large data ^'