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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.
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lp_idxYou shoud try -7
No. It's the order the first letters are in the list/array you are given, not in alphabetical order.
I made the same mistake! :)
The trick isn't to actually calculate the factorial
Are you computing 22! then prime factoring? If so, that's probably a bad idea. If not, I dunno what's causing the lag.