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Pocket Gems Programmer Interview Questions & Reviews

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Web: www.pocketgems.com | HQ: San Francisco, CA

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Updated Feb 21, 2012 – Interview questions and reviews posted anonymously by interview candidates.

Difficulty Rating [?] Based on 3 ratings

4.0

“Difficult” Interview

Interview Experience [?] Based on 3 ratings

Positive	33%
Neutral	67%
Negative	0%

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Average Interview

Overall Neutral Experience

Interviewed and No Offer

Interviewed Jan 2012 in San Francisco, CA (took 2 days)

I interviewed in their San Francisco office. I talked to 4 different people.

Interview Questions

Implement the following functions for a binary tree:

Insert
PrintInOrder
PrintPreOrder
PrintPostOrder

Implement a non-recursive PrintInOrder

Answer Question

You are given an array with integers between 1 and 1,000,000. One integer is in the array twice. How can you determine which one? Can you think of a way to do it using little extra memory.

Answer Question

Implement a Queue class in C++. Which data structure to use internally? Why? How to notify of errors?

Answer Question

Count the number of set bits in a 32 bit integer.

Answer Question

There are n gas stations positioned along a circular road. Each has a limited supply of gas. You can only drive clockwise around the road. You start with zero gas. Knowing how much gas you need to get from each gas station to the next and how much gas you can get at each station, design an algorithm to find the gas station you need to start at to get all the way around the circle.

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The interview consisted of a 1:1 Interview.

Helpful Interview?

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5.0

Very Difficult Interview

Overall Positive Experience

Received and Accepted Offer

Interviewed Feb 2012 in San Francisco, CA (took 2 weeks)

I applied through the website.

I spoke on the phone several times with hiring managers. I had three phone screens with engineers. We used Google Docs to write a lot of code. It was very low-level stuff like arrays and strings.

When I came on site I spoke with 7 different people, mostly technical engineers. The interviews were very difficult, very detailed questions

Interview Questions

Implement a method to perform basic string compression using the counts of repeated characters. "aabcccc" becomes "2a1b4c".

View Answers (1)

Given an image represented by an NxN array, rotate it by 90 degrees. Do it in place.

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Write a program that takes a 2D array and if an element is 0, it's entire row and column are set to 0. Do it in place.

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Other Details

I applied In-Person and the interview consisted of a Phone Interview.

Helpful Interview?

Yes | No

Inappropriate?

4.0

Difficult Interview

Overall Neutral Experience

Interviewed and No Offer

Interviewed Nov 2011 in San Francisco, CA (took a day)

I came onsite to talk with them. THey really liked my database backed work. The people here were all really smart and talented. I would have really liked to work here. They have free drinks at the office and a pool table and some other game machines. They seem pretty laid back. Everybody wears casual clothes.

Interview Questions

Write code to partition a linked list around a value x so that all nodes less than x come before all nodes greater than x.

View Answers (1)

You have two numbers represented by a linked list where each node contains a single digit. The digits are stored in reverse order. Write a function to add two numbers and return another linked list.

Answer Question

Given a circular linked list, write a function to return the node at the beginning of the circle.

Answer Question

Implement a function to check if a singly-linked list is a palindrome.

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Other Details

The interview consisted of a Phone Interview and a 1:1 Interview.

Helpful Interview?

Yes | No

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Website www.pocketgems.com

HQ San Francisco, CA

Industry

Entertainment & Games Software

Size

100+ Employees

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The difficulty rating is the average interview difficulty rating across all interview candidates.

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Pocket Gems Programmer Interview Questions & Reviews

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Pocket Gems has 62 connections on Glassdoor

Programmer at Pocket Gems

Interviewed Jan 2012 in San Francisco, CA (took 2 days)

Interview Questions

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Programmer at Pocket Gems

Interviewed Feb 2012 in San Francisco, CA (took 2 weeks)

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Programmer at Pocket Gems

Interviewed Nov 2011 in San Francisco, CA (took a day)

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