Bro, you best

This is sick :)

nice1

Now this is some beyond-human-brain-level logic to achieve O(1). Love the mathematics lovers in this platform.

its also difficult to understand ternary operators logic at first sight.

you're brilliant hahahahahaha

I love you

traditional language need traditional solution

Why does this work? Doesn't ".reduce((a, b) -> -1)" mean that int i will always be -1?

No way lol.

Made me chuckle irl XD
I dropped a follow, can't wait to see more like this.

very fantastic solution

LOL

And is correct that way because inputs "... are always lowercase strings, and that each has at least two letters.". If that was not the case and arbitrary inputs would be allowed we'd also need checks for null and lengths in order to avoid NullPointerException and IndexOutOfBoundsException or alike.