# Software Development Engineer In Test (SDET) Interview Questions

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### Software Development Engineer In Test (SDET) at Microsoft

Mar 16, 2011
 “Given a set of numbers -50 to 50, find all pairs that add up to a certain sum that is passed in. What's the O notation for what you just wrote? Can you make it faster? Can you find an O(n...”

### Software Development Engineer In Test (SDET) at Microsoft

May 13, 2013
 “Given a binary tree, how would you set the keys/values of all the nodes and their child pointers to null. No language restriction. Do it iteratively in O(N) time with O(1) space complexity where N...”

### Software Development Engineer In Test (SDET) at Expedia

Apr 18, 2012
 “Describe and code an algorithm that returns the first duplicate character in a string?”

### Software Development Engineer In Test (SDET) at Webtrends

Sep 26, 2012
 “I was asked a pretty straight forward brain teaser during my last phone interview, which they said they don't normally do, but because I put that I was a logical problem solver on my resume they...”

### Software Development Engineer In Test (SDET) at Microsoft

Nov 11, 2013
 “given two linked lists with a digit in each node, add the two linked lists together. the result must be a linked list with one digit in each node. use only one iteration of the two input lists.”

### Software Development Engineer In Test (SDET) at Microsoft

Jun 18, 2011
 “In a BST write a program to find 2 nodes x and y such that X+y=k”

### Software Development Engineer In Test (SDET) at Microsoft

Feb 19, 2013
 “Given a triangle, determine if its a scalene, equilateral, isosceles or neither... required knowledge of triangle properties, I learnt these properties about two decades ago so ofcourse I was fuzzy...”

### Software Development Engineer In Test (SDET) at Microsoft

Nov 29, 2009
 “Write a function to find the maximum sum of sub array where the array can have negative and positive numbers.”

### Software Development Engineer In Test (SDET) at Microsoft

Mar 6, 2012
 “In a given sorted array of integers remove all the duplicates.”

### Software Development Engineer In Test (SDET) at Microsoft

Nov 5, 2012
 “Given an integer write a function that converts the input into a linkedList where each node corresponds to a number of the integer. Eg: 25697== 2 -> 5 -> 6 -> 9 -> 7 Then write a...”
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