C++, OOP, some statistics
Algorithm Design Engineer Interview Questions
983 algorithm design engineer interview questions shared by candidates
Why the company? career goal?
Coding round: Famous Island problem solved using simple DFS
Given 3-5 scatter plots of time series data distribution, and ask some questions based on the plots and your answers.
When you are facing a signal processing related task, how would you describe your work process?
What is the computational complexity of the FFT
how to split a black/white peoples with white hats
Suggest ways of making their operations cost-efficient.
1. Coding (25 mins) - I was asked; Given an array, find a number (or rather it’s index) to start with such that the same is never negative. Similar to “ 1413. Minimum Value to Get Positive Step by Step Sum” on leetcode 2. Machine learning techniques (10 mins) - I was asked about how to improve LinkedIn’s premium subscription among users. This goes under Logistic Regression category. So the second part of the question was knowing that 1% of users are subscribed, how do we run a model with such imbalance (100 subscribers vs 9900 free users)? Well make it balanced, sample a 100 non-subscriber data and consider former subscribers. Also, consider that not all 100 current subscriber data is clean. 3. Statistics - I was asked about A/B testing for email marketing. It started out as simple as comparing percentage of success rates between email A and B. But then advanced to asking how to utilize statistical significance and statistical power in comparing these success rates. If I don’t move on to the next round, it is because of this Stats section.
What is an image? How are they rendered?
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