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.
Chances are your function modified the array passed in when checking whether the elements are in order.
the rule is:
each substring has a character. It's the sorting order.
when array sorted, should remove the charater and calculate the rest number
Yeah, but I can't change the ranking. The other users ranked it as an 8.