# Intern Interview Questions

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Dec 30, 2011
 “Find occurrences of a number in sorted array (allow duplicates).”

### Software Engineering Intern at Facebook

Mar 8, 2012
 “Given a sorted array, write a program to decide if two elements sum up to a third.”

### Software Engineer Intern at Facebook

Mar 6, 2011
 “Write a function that finds the minimum and maximum values within an unsorted array using divide-and-conquer.”

### Software Engineer Intern at Facebook

Feb 23, 2012
 “Print out a binary tree level by level”

### Software Development Engineer Intern at Amazon.com

Feb 15, 2012
 “To return the 'm' smallest numbers from a file of 'n' numbers”

### Software Engineer Intern at eBay Inc.

Jan 19, 2011
 “Questions related to data structures like "What data structure would you use for a browser's BACK & FORWARD ability"”

### Software Development Engineering Intern at Amazon.com

Jun 23, 2012
 “You are given an array with n positive integers where all values in the array are repeated except for one. Return the one that is not repeated.”

### Trader Intern at Jane Street

Sep 20, 2011
 “What if you could reflip 1 coin that you wanted. What would be the expected value then?”

### Summer Intern at Five Rings Capital

Apr 25, 2012
 “• Is 1027 a prime number?• How would you write an algorithm that identifies prime numbers?• 2 blue and 2 red balls, in a box, no replacing. Guess the color of the ball, you receive a dollar if…”

### Software Engineer Intern at Hulu

May 3, 2012
 “Write a power functionpower(a , b)returns a^b”
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