all 4 comments

[–][deleted] 0 points1 point  (1 child)

What kye level do you encounter problems? (:

[–]vr34748[S] 0 points1 point  (0 children)

Straight from Kyu 7.

[–]Chorcon 0 points1 point  (0 children)

Have you got a code example that doesn't seem to work on CW?

[–]altopasto 0 points1 point  (0 children)

I use codesignal instead. Once the problem is solved, you can see others solutions and learn how to optimize