←back to thread

Google's “Director of Engineering” Hiring Test

(www.gwan.com)
1764 points fatihky | 1 comments | 13 Oct 16 15:15 UTC | HN request time: 0s | source
Show context
sonoffett ◴[13 Oct 16 15:58 UTC] No.12701639[source]▶
quicksort is O(n^2) which is definitely not the "best big-O" for sorting.
replies(4): >>12701670 #>>12701718 #>>12701729 #>>12701867 #
sonoffett ◴[13 Oct 16 16:03 UTC] No.12701670[source]▶
"how do you count the bits most efficiently?"

What does this even mean?

replies(2): >>12701753 #>>12701756 #
UK-AL ◴[13 Oct 16 16:12 UTC] No.12701753[source]▶
What i think he means is counting the amount of set(1) bits in the array,
replies(1): >>12701768 #
1. sonoffett ◴[13 Oct 16 16:13 UTC] No.12701768[source]▶
Thanks, the question makes more sense now :)