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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.
Nice!
Btw, foldl1 (and foldr1) do the same as foldl but without a starting value.
So 1 + foldl1 (mod . (k +)) [2 .. n] is equivalent.
It seems that only Data.List.permutations is forbidden, therefore this still works!
so what's the problem? do we misunderstand something? I cant get it...
XDDDDDD
up
shorter than mine!