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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 is not a 7kyu kata. 6kyu min
hint
It's not quite that low, just a very small fraction of n.
solution havaing
log(n)efficiency should pass test; go deeper/ahead one step:DThis comment is hidden because it contains spoiler information about the solution
Fair enough
Who knows. Can you allocate an array of 2 trillion elements to hold all possible outputs?
Is it possible to do it creating the whole array?
I simply cannot make it fast enough