He asked me a DP question.
New Product Development Engineer Interview Questions
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Some binary tree questions.
preferred coding language and location of work. only 2 questions for screening :/
Asked about favorite projects I've worked on
A problem can be solved by using heap. You must now how to extract min/max from the heap, how to delete or update an element in the heap.
Serialization/ deserialization
Bit operations.
The second question was a bit confusing. Suppose you have a facebook API, which allows you to access all one's friends. Can you find if B is connect to A through friend's network? say A has friends (C,D,E) and C has friends(B,G). Now A is connected to B. I did the second one with a 7 layer for loop first, 'cause I was avoiding overloading the memory with too much data. However, the interviewer seems not to appreciate that. But I did answer the following up question wrong. He asked what is the big O for my code. A map search is N(nodes)+V(edge). I did not know that, I gave a answer of N, which is close but not correct.
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