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.
some of the test cases are not correct. for example, in one of the test cases, the expected result is [1, 1, 136426], even though there is only one 1 in the lst
[1, 3, 3, 4, 5 etc]