# Engineering Intern Interview Questions

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### Software Development Engineer Intern at Amazon.com

Jan 6, 2011
 “Given the head pointers to two linked lists of unknown length, find the node of intersection if they do intersect.”

### Software Engineer Intern at Facebook

Nov 8, 2010
 “Output a single linked list in reverse, in linear time and constant space, and recursively”

### Software Development Engineer Intern at Amazon.com

Jan 25, 2011
 “Write a function that takes in an array and repeats an integer that appears the most.”

### Software Engineer Intern at Twitter

Mar 31, 2012
 “Implement integer division without using / or %. Questions about running time. Can you do it faster?”

### QA Engineer Intern at Palantir Technologies

Apr 14, 2012
 “How would you test a blender?”

### Software Engineer Intern at PayPal

Apr 25, 2012
 “n= 20 for (i=0;i

### Software Engineering Intern at Palantir Technologies

Apr 16, 2012
 “Given a list of "threads", which contain 2 variables - starting and ending times - implement a function that will return all running threads at some time t. Optimize it. (faster than O(n) )”

### Software Engineering Intern at Palantir Technologies

Apr 16, 2012
 “Say you have a single-column table of entries of variable size. Implement this table to also contain methods to lengthen one cell, cut a cell shorter, and to return which cell we're pointing at if...”

### Software Engineer Intern at Facebook

Oct 23, 2012
 “Write a function in language of your choice that takes in two strings, and returns true if they match. Constraints are as follows: String 1, the text to match to, will be alphabets and digits. String...”

Sep 26, 2012