Round 1 consisted of a medium-difficulty problem from the Leetcode 150, followed by a behavioral question: How do you make decisions if you have multiple solutions? In Round 2, I was asked about debugging, error handling, and how to approach pull request refac...
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I interviewed with Mustafa's organization after a recruiter contacted me on LinkedIn. The interview consisted of six rounds. The first two rounds were coding, followed by two system design rounds. The fifth round involved a deep dive into my past projects. The...
The interviewer asked me to design a machine learning system, starting from data preprocessing to model selection and training. Then, I had to write the K-Means algorithm. **My approach:** 1. I started by discussing the data preprocessing steps required for th...
## What this means for your preparation: The interviewer isn't just checking if you can code; they are checking if you have Product Sense and Engineering Rigor. Here is how to handle the specific layers mentioned: ### The SQL "Details" (The DISTINCT example) I...
The first question was LeetCode. The second question, which I hadn't seen before, was similar to climbing stairs. In this variation, I could take an elevator once at the beginning. Each floor has an energy gain e1 and a time t1 if I take the elevator. After th...
The online assessment included these two coding questions: 1. **Price Discount:** Given a `prices` array, find the first number to the right of each element that is smaller than the element itself. The difference between these two numbers is the discount. If t...
The question I got was: Given a sorted array containing positive and negative numbers, sort the array by the square of each number. I initially suggested a heap-based solution. The interviewer asked me to optimize it. I proposed a two-pointer approach, but the...
The coding question I received was: Given a black box function: ```python def run(testcases): #Implementation Hidden pass ``` I was given a list of test cases, where two specific test cases, if input together to `run()`, would cause a failure. If only one or n...
The coding question I received was: Given an array, double each element and shuffle the array. For example: [1,4] -> [1,4,2,8] -> [2,1,4,8] Follow-up: Write an inverse function to find the original array. For example: [2,1,4,8] -> [1,4]
The coding question I received was quite difficult, requiring a deep understanding of algorithms and data structures. Although I struggled initially, the interviewer provided helpful guidance that allowed me to arrive at a working solution. I focused on breaki...
