I had a total of six rounds, each lasting 45 minutes. My experience may vary from others since each team at Apple does things differently. **Round 1:** A slightly junior engineer asked me for a deep dive into my projects. Originally, there should have been 20...
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I had a phone screen and an onsite interview. **Phone Screen:** I was asked typical MLE questions about L1/L2 regularization and overfitting. For the coding question, it was similar to the logic of Splitwise: Several people go out, each paying part of the bill...
During the technical phone screen, I was asked the following questions: * LeetCode 200. Number of Islands * LeetCode 994. Rotting Oranges The interviewer tested a broad range of topics, including BFS/DFS, multi-source BFS, heap, and hashmap with a doubly linke...
I had a phone screen and a virtual onsite interview. **Phone Screen:** I was asked to design a game genre classification system from scratch. This was an ML System Design round. **Virtual Onsite:** For the coding round, I was given a custom question. I receive...
The question was a standard document layer problem, which I had seen before. The second part of the question required me to make the batch and undo operations memory efficient. To achieve memory efficiency, I needed to compact the entire change history. For th...
### Maximum Coins Collection in a Board Game ##### Problem Description You are given a single-player board game represented by a string `board` of length `N`. Each position on the board can be: - `'.'` → empty - `'T'` → a player's token - `'C'` → a coin The pl...
I was asked to implement the following: Build a two-part system that can ingest a large corpus of text and generate a new sentence based on the relationships between words. ``` Function 1: build_frequency_map Input: A string representing an entire textbook or...
I had a recruiter screen to discuss my background and fit with the team. In the second round, a phone screen, I was given data and asked to process tokens online, generate embeddings, and build a model for a classification task. After a week, I was notified th...
I had a 45-minute phone screen with two coding questions. - Leetcode 56 - Leetcode 80
I applied online for a software engineering internship. The assessment had two questions. **Question 1:** Given an integer array `array` and a number of requests `n`. Each request involves taking the maximum and minimum values from the array, adding them to a...
