It works well, but it must be refactored as it's really difficult to follow the logic let alone maintain this solution.

going over the "very large array" twice ends up taking twice as long, twice as much memory.
if the array was billions of members long - the 10 lines of code you saved would cost a lost of money.

this code may be impressive to newbies exclusively.

i can't even comprehend the maths in my head

I really liked your use of reduce. I'm happy I looked it up. Such a handy little function

Very clever, that performs with excellent complexity both on time and space

Your solution's good too yk, considering that yours (5kyu) is shorter than mine (7kyu)

Thank you, I feel better about myself now 🫠

Mine even had examples 😅

magic numbers are not a best practice, the top solutions on this site are almost always not something you would ever use in real code.

Awesome

bruh

больной человек