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Featured Questions

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How do you mitigate the problem of class imbalance, and why is it important?

Atlassian, Canva, Google

How would you predict customer churn?

Atlassian

Question How do you evaluate the effectiveness of recommender systems post-deployment?

Amazon

If I toss a coin 100 times, what is the likelihood that it ends up in the same spot?

Optiver, Final Round

Kev’s question

Canva

Invert a binary tree

Facebook

What’s the most fun way to code a Snake Game?

Jane Street

How could you use a deep neural net to see people through walls using Wifi?

Anonymous

Can you explain the PageRank algorithm?

Can you explain the