# Development Intern Interview Questions

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### Software Development Engineer Intern at Microsoft

Aug 13, 2013
 “Determine if an array from 1..n has a duplicate in constant time and space.”

### Software Development Engineer Intern at Amazon.com

Feb 15, 2012
 “To find and return the common node of two linked lists merged into a 'Y' shape.”

### Financial Software Developer Intern at Bloomberg L.P.

Apr 17, 2012
 “There are 20 floors in a building. If you're on an elevator and you're trying to get to the 20th floor, what is the probability that 4 people ahead of you click the 20th floor before you do? Assuming…”

### 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.”

### Software Development Engineer Intern at Amazon.com

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

### Financial Software Developer Intern at Bloomberg L.P.

Mar 13, 2013
 “Linked list memory management: deleting a node from the middle of a list was easy. Next question - how to delete a node from the end of a list. Was too tired to think and realize this was a trick…”

### Software Development Engineer Intern at Amazon.com

Jan 6, 2011
 “Write a program to find the square root of a double.”

Jan 6, 2011