One coding interview 45 mins. Two leetcode medium problem. One research interview 45 mins. All about the research and domain specific problem.
Operations Research Scientist Interview Questions
1,036 operations research scientist interview questions shared by candidates
Coding interview: Finding all sub-arrays that are increasing. Probability interview: Basic probability, Bayes theorem. Data science interview: load, review dataset, and build a basic model within an hour.
Coding interview : python, sparse convolution and its optimization Research interview : questions focusing on background/motivation
What is the project that you most proud of
Explain your recent research projects.
Standard LeetCode questions.
Flight Itinerary: Given an unordered list of flights taken by someone, each represented as (origin, destination) pairs, compute the person's itinerary.
Q: How would you approach a problem that you didn't have much background on? Q: Describe a time where you had to collaborate with others. How did you deal with communication, any difficulties, and the like?
Mainly about research projects. Some coding problems.
floating error, how to do unit test/regression test, do you use GIT, what are the difficulties in a software eng team, what are the diff between dynamic/static array (array and tuple and list), what is the efficient DS type to store periodic database (like audio/music). what is your research background? How did you solve unfamiliar research topic? What are potential research you want to do in TikTok (music AI)? Explain RNN, cross entropy (loss), etc.
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