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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.
I want to be able to!
I test my script(JS) on Number of users 10000 - 11000 and number of months 12, from 70000 to 77000 purchases p/month. I have result on my old MacBook Pro(2012):
What am I doing wrong? How to pass the test on codewars?