lol why i didnt think this way
first i filtered the array in map function thn reduced it

geniusly...

Wow.

They're not nested.

It's the difference between multiplication and addition.

Would that not be O(n^2) because you iterate over the array with two different loops -- the reduce() and the .map()?

*Oops. Leaving the question up but I realized my mistake after.

Have you looked at my solution? It's O(n). Just click View Solution.

Or look at the second most upvoted solution. It's O(n).

What's the O(n) solution?

Sigh ..

( O(n^2) time where O(n) is possible )

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