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KLA-Tencor Software Engineer Interview Question

I interviewed in Migdal Ha`Emeq (Israel) and was asked:
"They asked me, based on function int SQRT(int) build function float SQRT2(int) that will return square root with three digits after the point."
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Part of a Software Engineer Interview Review - one of 146 KLA-Tencor Interview Reviews

Answers & Comments

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Well, since I was already pretty tired, at the begining I started writing something wrong. Then one of the interviewers said, wait, see that you must return three digits exactly after the point, and I said, yes, it means that the result of SQRT should be multiplied by 1000, that is its input should be multiplied by 1M.
Then I wrote:

float SQRT2(int x){
  return (SQRT(x*1000000)/1000.0);

Then, one of them explained me why I am right, I even didn't have strengths to say to her that somehow if I wrote it by myself, I do understand it.:)

Finally, she said to me good luck and I felt that it means "Go to..., I are definitely bad personality":)

Well, next time I will be much nicer person:) Good luck to us all !:)

- Interview Candidate on Jan 11, 2010
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Your answers are really smart. KLA surely missed a good candidate.

- Anonynous on Dec 07, 2010

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