Interview Questions

Sridhar R. - "Arrays.sort(inputarray) sliding window with a size of 2. Check for the sum in the sliding window. subtract the start when window moves"See full answer

Pranav M. - "Statement: Improve the music experience at youtube Is the goal to improve the experience for any particular kind of user/music genre? Ans: No, nothing in particular Goal: I’m going to assume the goal is to improve the experience of listening to music generally Google’s mission is to organise the world’s information. Youtube is a platform that lets people discover videos, interesting content as tailored to their interests, thus serving Google’s mission Music on Youtube also contributes to"See full answer

Anonymous Roadrunner - "-- Write your query here select p.id, p.title, p.budget, count(e.id) as num_employees, sum(e.salary) as total_salaries from projects p join employeesprojects ep on p.id = ep.projectid join employees e on ep.employee_id = e.id group by 1 order by 5 desc; `"See full answer

Yag S. - "I studied Exponent's TinyURL system design video. My interviewer was asking many detailed questions on API design, schema, as well as data required to store. I found system design questions are bit high level instead of depth. I think should have detail design of API, schema and some additional flavors."See full answer

P K. - "Note: Modifying the question to reflect the storage cost as well. Question: Estimate the cost of storing google photos on the photos app? Clarifying questions: Google photos - an app that syncs automatically to your camera app and uploads photos to Google cloud and reduces the need to store it on your device Cost of 1GB storage $0.002 Time storage cost per year Equation: Cost of storage per year = average cost of storing photos per day x 30 days x 12 months The ave"See full answer

Vikas K. - "During a trip to Japan, I encountered a significant language barrier that influenced how I communicated with others. As I didn't speak Japanese fluently, I had to rely on basic phrases and non-verbal communication to interact with locals. This experience made me realize the importance of understanding cultural diversity. Despite the language barrier, I found that people were patient and understanding. They appreciated my efforts to communicate in their language, even if it was limited. This expe"See full answer

Sarabjeet S. - "Goal of YT search is to enable quick access to a video of interest to user. So success for YT search would mean access to videos that interest, and user actually clicks on one or more searched videos to watch them. It also means reduced time searching overall, with high relevance results shown for search string. Actions performed by users are: Goes to the YT site or Mobile app Clicks on the Search window to type Enters search string and presses enter Browses the list, scrolls"See full answer

Takashi M. - "Me: First of all, I’d like to have some clarification about this project. Me: What is the current product line design of the vending machine? Is this a traditional vending machine? Customers pay money cash or credit card, and select products and receive the product. Interviewer: Yes, that is the correct assumption. We make vending machines for canned drinks and bottled drinks. Another product line is for selling small packaged snacks. Me: What is the goal of this project? Is"See full answer

Vlada J. - "Adding to what Zoe already mentioned: running a user study with existing customers to understand if they see the proposed design as favorable running AB testing with users to compare two different designs and decide which one is more favorable (based on a previously determined metrics)"See full answer

Aldar M. - "/my initial thought was to make an example with program integration project that I led a few years ago Stage 1: Project Planning. The first stage of SDLC is all about “What do we want?” my approach was simply take project life cycle structure(initiation, planning, execution, monitoring and controlling, and closure) and elaborate on each stages did i. I lack a details and Excell skills and I should have taken SDLC structure because I fits better with JD. Stage 2: Gathering Requirements & Ana"See full answer

Asset T. - "Ask clarifying questions: There are a few different products within Coinbase platform - Coinbase, Coinbase Pro, Coinbase Wallet. Which one would you like me to focus on? Let’s assume it is Coinbase main app Coinbase has both desktop and mobile apps - is it ok if I focus on one of them first, and if time permits, extend it to another? Let’s assume we focus on the mobile version Coinbase is available in 100+ countries, can I focus on the US version? Let’s assume yes. Is"See full answer

Hayatu H. - "What do all data scientists need to know about how to work with very large datasets? 37 Follow Request Answer More All related (39) Recommended 📷 Corrin Lakeland · Follow , M.S. Data Science, University of St. Thomas, St. Paul (2018)6yData Science consultant and managerUpvoted by[Tom Halloin](https://www.quora"See full answer

Rick E. - " from typing import List def getnumberof_islands(binaryMatrix: List[List[int]]) -> int: if not binaryMatrix: return 0 rows = len(binaryMatrix) cols = len(binaryMatrix[0]) islands = 0 for r in range(rows): for c in range(cols): if binaryMatrixr == 1: islands += 1 dfs(binaryMatrix, r, c) return islands def dfs(grid, r, c): if ( r = len(grid) "See full answer