Loading collection data...
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.
Yes, it's much faster by using map in class property to store alrady found numbers.
Thanks for the feedback.
Fixed.
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Also for me :/
In the first unit test for Java, the expected and actual paramaters of assertEquals are swapped.