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Basic data structure questions. LL, HashTable, BT Given an array of ints, sum up all the even numbers and print it. Then return true if any number in the array is evenly divisible by 7, false otherwise. Given a two words, write a function/method to determine if they are anagrams Given a singly linked list, split that into two lists one containing just the elements in odd position and another containing just the elements in even position.
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Software Engineer Intern

Interviewed at Amazon

3.5★
Feb 21, 2014

Basic data structure questions. LL, HashTable, BT Given an array of ints, sum up all the even numbers and print it. Then return true if any number in the array is evenly divisible by 7, false otherwise. Given a two words, write a function/method to determine if they are anagrams Given a singly linked list, split that into two lists one containing just the elements in odd position and another containing just the elements in even position.

There are a lot of questions that can be solved by arrays, sorting can be done in O(nlogn)... but they are looking for more than just correct answers, having an answer with a high time / space complexity won't help you. There was a tough question about linked lists with next and arbitrary pointers.
avatar

Software Development Engineer Intern

Interviewed at Amazon

3.5★
Mar 26, 2014

There are a lot of questions that can be solved by arrays, sorting can be done in O(nlogn)... but they are looking for more than just correct answers, having an answer with a high time / space complexity won't help you. There was a tough question about linked lists with next and arbitrary pointers.

The technical problem wasn't something very difficult at first sight, but the trick was finding out the most efficient solution, which involved using tries. This solution was not implementable in 45 minutes, so the interviewer asked me to implement a specific part from the solution. There were very few behavioural questions, and nothing unexpected.
avatar

Software Development Engineer Intern

Interviewed at Amazon

3.5★
Mar 25, 2014

The technical problem wasn't something very difficult at first sight, but the trick was finding out the most efficient solution, which involved using tries. This solution was not implementable in 45 minutes, so the interviewer asked me to implement a specific part from the solution. There were very few behavioural questions, and nothing unexpected.

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