Technical Interview Prep - Coding and Design Questions XXIV

Still working on the space most likely in east side (as usual).
As always, please RSVP and provide suggestions for what the agenda can be.

The breakout mode worked real well.

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  • Maria M.

    To anyone in Eugene's group on the prefix tree: I was trying to remember the code we wrote for traversing the tree and summing. All of the code that I have found for traversing trees looks more complicated than what we had. Did we have some simplifying assumptions to make it easier? Did anyone write down the code? Could you post it? I'd love to look at it.

    thanks,
    Maria

    August 28, 2013

    • Eugene

      * I'm assuming you're including the character that the node represents in each node. If you're not (because that information is redundant and we did not include it in the meetup), then on the way up, you need to search each parent in turn for the child you just came from. This will reveal to you what position the child was in, and therefore what letter it represented.

      @Pat: The problem was taken from here http://www.careercup....­ . The problem is not stated very clearly, so I restated it in my answer posted on that page, giving it what I thought to be the most plausible interpretation. Read my (eugene.yarovoi) answer on that page for the clarified problem statement and a high-level overview of a solution that uses prefix trees. We discussed that solution in a lot more detail (and some code) in the meetup.

      August 29, 2013

    • Pat T.

      Thanks, Eugene!! And thanks for pointing out the careercup site!

      August 29, 2013

  • A former member
    A former member

    Meetup was great! Special thanks to Eugene for explaining Tries extremely well.

    August 26, 2013

  • Greta W.

    Excellant -- great group and white board discussions were most helpful.

    August 26, 2013

  • Pat T.

    Great collaboration on design questions from actual recent interviews.

    August 25, 2013

  • A former member
    A former member

    Good meetup. Thanksfor organizing!

    August 25, 2013

  • Sue F.

    I learned something, so that was good!

    1 · August 25, 2013

  • A former member
    A former member

    Have you reserved a meeting room in Bellevue Regional Library? What's room number?

    August 25, 2013

    • rsalota

      Room: Room 1
      Library: Bellevue Library
      Date(s: Sunday, August 25, 2013
      Time: 6:00 PM to 8:00 PM

      August 25, 2013

  • rsalota

    Room: Room 1
    Library: Bellevue Library
    Date(s: Sunday, August 25, 2013
    Time: 6:00 PM to 8:00 PM

    August 25, 2013

  • pavan

    >how to successfully answer questions related to current project problems during final round while making a lateral move.
    >How to break down a coding question into right datastructure/algorithm and use white board judiciously.
    >How to avoid complicating solutions.
    >What are the coding etiquette required while using whiteboard/collabedit
    >How to break down a OOPs question into a datamodel, software design which is simple as well.

    August 21, 2013

  • radha k.

    Thoroughly enjoyed previous event. Discussions were very technical and helped me a lot in understanding depth of problems as well as expectations of companies. Eagerly looking forward to the next event !! many many thanks to the organizers.

    2 · July 30, 2013

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