Interview 1: Discuss, how to store a whole database (comprising of at least 1 primary key) in a data structure. Needed to focus on the lookup time via the key provided.
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Tell me about a difficult customer you had to deal with and how you handled it?
data structure algorithm and coding
Why do you want to work for Amazon?
Given an array of n integers find the number which is repeated an odd number of times. There is only one such number.
For coding test, it is almost of algorithms questions. And they
Given a matrix of 0s and 1s where 0 represents path way and 1 represents obstacle. Find a way to reach from [0,0] position to [n-1, n-1] position. You can only move down, left and right.
Describe a time you stepped in to help a struggling teammate
Given a 2d array to represent a map/matrix, find and return all of the islands (1s) on the map that don't touch an edge and are surrounded by water (0s). (ex [0001], [0100], [0000])
Data structures. Design large int class, a Trie and a recursion problem.
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