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.
Just looking through the discussions, lots of people seem to be going waaay off in the wrong direction.
I didn't have any trouble identifying the correct approach, but there's nothing in the description that suggests there's a trick to this.
As for the kyu, according to the wiki, level 6 is considered novice. Is it reasonable to assume that a novice would intuitively recognise the big O implications of a sub optimal solution here without any prompting? Well, look through the discussions.
This comment is hidden because it contains spoiler information about the solution
Lookin' good!
Would be helpful if the description explicitly stated that the order of occurrence of words in the original string needed to be maintained in the result.
Other than that, nice kata!
Hmmm, you're right.
The test cases should probably pick up on that.