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      Two Sigma

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      Engineering Interview

      5 Aug 2011
      Anonymous interview candidate
      No offer
      Neutral experience
      Average interview

      Application

      I applied through a recruiter. The process took 1 day. I interviewed at Two Sigma in Jul 2011

      Interview

      general phone interview followed by code test.

      Interview questions [2]

      Question 1

      Write a program that takes a list of strings containing integers and words and returns a sorted version of the list. The goal is to sort this list in such a way that all words are in alphabetical order and all integers are in numerical order. Furthermore, if the nth element in the list is an integer it must remain an integer, and if it is a word it must remain a word.
      Answer question

      Question 2

      Write a program to synchronize data sets between data centers using as few copies as possible. Example 1: ---------- Input: 4 1 3 4 1 2 3 1 3 1 4 2 One Possible Correct Output: 2 2 1 4 1 2 2 2 3 4 4 3 3 1 4 done
      2 Answers
      8

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