I was given a ASCII-graph of weird pattern of 'X' and ' ' in disarranged boxes with time, and from a given position, I had to fill all the blanks by X for all those boxes. Till date I am not clear if the question was to write an algorithm to generate this pattern of 'X' or it was to fill the empty spaces with X from a starting point. When I asked the interviewer the same, he told "Yes" . What ?? :-).
Why Amazon?
"Describe a time when you failed (professionally) and what you learned from it". It's not a hard question, but it caught me off guard. I hadn't interview in about 5 years and had trouble with some of these personality questions.
How to provide you the products you would be most interested based on your friends shopping history
Provide an example of a time when you had a large intiative fail and what you did to recover and for lessons learned.
Find all possible valid words in a matrix of letters starting from given point. Words could be formed by starting at the given point going up, down, left, and right. Basically leveraging graph ADT and recursive algorithm.
How do you handle situation when you don't have a clear/certain answers ?
Tell me a situation when you went above and beyond your current role
Nothing unsual, standard interview questions anyone would ask to see if you fit the company job needs. Your experience handling a difficult situation in the workplace, and and how did you handle a demanding job requirement.
rotate an array, find unique pairs that sum up to X, BST insertion
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