I first had a technical screening, which was a LeetCode Hard problem: reconstruct itinerary. My onsite interview consisted of 5 rounds: 3 coding, 1 system design, and 1 behavioral. **Coding Rounds:** * The first coding round involved a binary search on a log l...
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A recruiter from LinkedIn reached out to me, and the offer seemed good, especially since it was fully WFH. I proceeded with the interview process. It turned out to be the most challenging coding interview I've ever experienced. Although the role was for an MLE...
The online assessment included these types of questions: * **Multiple Choice Questions:** * Recall and Precision definitions * Interpreting confusion matrix * Gradient related questions * Ensemble learning tradeoffs * Neural network forward pass calculation *...
The coding question I received was: Given a sequence of numbers, for example, `[1, 2, 3]`, the score of a subsequence is `(arr[i] + ... + arr[j]) * len(i, j)`. Given a sequence and a value `K`, find the number of subsequences with a score no greater than `K`....
## Technical Interview Details ### Machine Learning Fundamentals - The interviewer asked about when the learning rate (Lr) would fluctuate the most (large vs. small values). - I was also asked about where gradient vanishing is more likely to occur in a fully c...
The coding question I received focused on travel routes. I was given a list of travel tickets (city A to B) in the format [[A, B], [B, C] ...] and needed to output the complete travel itinerary, such as [A, B, C]. A key part was identifying the starting point...
Coding question similar to LeetCode 332, please sure to be well-prepared for coding problems
## Preparation Tips & Key Takeaways ### What I Learned - I need to improve my understanding of DFS and its applications. - System design questions require a solid understanding of distributed systems and data aggregation. ### Recommended Preparation #### Codin...
The interview was for a graph-related team at Pinterest. I was asked a graph question that was not a direct LeetCode problem but related to their business context. I wasn't prepared for graph questions, so I struggled and didn't solve it during the interview....
The coding question was: Given pin logs containing user and text fields, and given a userset and textset, trigger an alert if a user is in the userset and the text contains a sensitive phrase from the textset. My approach: * User check: Use a hashmap or set fo...
