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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.
Please see the Troubleshooting Guide in Docs -> Training.
Ask yourself why you are not even passing the sample tests. Read the description carefully.
Also, know there will be tests with very large numbers. An
O(n)solution won't cut it.Bro wanna be carti so bad
thats deep
Spoiling solutions is forbidden. To unlock solutions to a 6 kyu kata, you just need to reach the 7 kyu level. That's just solving a few elementary katas, it should be very easy. If you're not able to do it, you probably don't deserve to approve your exams!