one line ... art to me...

Dude this is clever and succinct but what's with all the single char variable names? We got minifiers for that kinda thing you know ;-D

Brilliant!

Only that you added a potential bug by returning the same array if it's empty. ;)

my pleasure.

Check it out: https://www.codewars.com/kata/reviews/59c70207db5fba8af1001a4d/groups/59ddf3eb397858f3d2001013

Thanks again.

I will fix it. Thank you!

if the test case is: [1,-1,-1,-1,2,-2,2],
it should be false,
but your answer will be true.

haha

almost the same with mine lol.

the \B!

i like the solution, so after i saw this, i try again. fortunately, i complete too!

inspire me a lot!

so good!

damn good!