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.
How did you know numbers of test you didn't pass? I see only error without any numbers...
There is a bug in your solution. Try this test case:
2 - -(1)
. The expected result is3
but your solution returns1
.This comment is hidden because it contains spoiler information about the solution