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Google's “Director of Engineering” Hiring Test

(www.gwan.com)
1764 points fatihky | 1 comments | 13 Oct 16 15:15 UTC | HN request time: 0.274s | source
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gmarx ◴[13 Oct 16 16:21 UTC] No.12701853[source]▶
"There's an array of 10,000 16-bit values, how do you count the bits most efficiently?"

multiply 10,000 by 16. There are 160,000 bits

replies(2): >>12702224 #>>12702246 #
1. yongjik ◴[13 Oct 16 17:03 UTC] No.12702246[source]▶
No no no, this is Google. You must start a MapReduce, or whatever replaced it these days.