# Developer Intern Interview Questions

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

Jan 11, 2014
 “Write a program that verifies that a binary tree is a binary search tree.”

### Software Developer Intern at Expedia

Aug 27, 2012
 “Give me 5 different ways of finding the median (middle element) of a linked list. For the sake of simplicity, assume the list has odd number of ints. Also mention the runtime for each. Follow up...”

### Software Developer Intern at Jump Trading

Apr 11, 2012
 “Swap two variables without using a temp.”

### Software Development Engineer Intern at Amazon.com

Jan 29, 2010
 “There is an array of numbers, containing the integers 1-n, how can you find the sum of the numbers in that array?”

### Software Development Engineer Intern at Microsoft

Jan 4, 2013
 “Print a binary tree level by level in zigzag order”

### Software Development Engineer Intern at Amazon.com

Oct 1, 2012
 “Calculate the square root of a number.”

### Software Development Engineer In Test Intern at Microsoft

Apr 21, 2012
 “You have a building with 100 stories. You also have two glass balls. You can drop the glass balls as many times as you want before they break. How can you find the floor at which they start breaking...”

### Software Development Engineer Intern at Microsoft

Mar 18, 2009
 “Connect Four is a game where two players take turns dropping their color discs into a vertically suspended grid. The game ends when a player adds a disc to the playing grid that connects four discs...”

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

Mar 11, 2010
 “Write a function to cause stackoverflow.”

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

Mar 11, 2010
 “Write a function to convert First Name, Last Name to Last Name, First Name.”
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