# Software Engineer Developer Interview Questions

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### 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.”

### Software Development Engineer at Amazon.com

Dec 22, 2010
 “Find the last element of a linked list.”

### Software Development Engineer In Test at Amazon.com

May 20, 2010
 “Given a list of n numbers. All numbers except one are unique. Find the number with duplicate entry.”

### Software Development Engineer at Amazon.com

Jun 5, 2010
 “Given an array of integer in which all numbers occur even times except for one number occurs odd times, find it.”

### Software Development Engineer at Amazon.com

May 9, 2012
 “Given an integer set of numbers, print all the subsets. For some reason the interviewer asked to print the supersets, but what he means is subsets.”

### Software Development Engineer at Amazon.com

Jan 14, 2010
 “How would you find the pairs of numbers that added to some specific number in an array.”

### Software Development Engineer at Microsoft

Jul 10, 2009
 “Given an array with length n-1 which contains integers of the range 1 to n. Each element is distinct and appears only once. One integer is missing. Find the missing integer in linear time using O…”

### Software Development Engineer at Amazon.com

Dec 5, 2011
 “Given two very large binary trees T1, with millions of nodes, and T2, with hun- dreds of nodes, create an algorithm to decide if T2 is a subtree of T1.”

### Software Development Engineer at Amazon.com

Jan 18, 2012
 “"Solve a maze", you have a 2D matrix with 1's as blocked and 0's as path. Find a path from one corner to another, backtracking should be allowed.”

### 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.”
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