Interview Questions

Ankush G. - " max Min 4, 3, 1 , 6, 7, 8 1 3 4 6 7 8 9 0 1 2 3 0 1 1 2 3 6 7 8 9 class MedianFinder{ std::priority_queue minHeap; std::priority_queue, greater> maxHeap; int numEleMaxheap = 0, numEleMinHeap = 0; public: void addNum( int n) { if(numEleMaxheap == numEleMinHeap ) { maxHeap.push(n); int maxofmaxheap = maxHeap.top(); maxHeap.pop(); "See full answer

Sreeram reddy B. - "user table - with userid, username, email, phonenumber, accountcreateddate exercises table - types of exercises - indoor walk, outdoor walk, running, stairs, cycling, swimming etc - exerciseid, exercisetype date table - date, day, month, year - with dateid Session table - userid, sessiondateid(linked to dateid in date table), exerciseid, distance covered, calories spent, starttime, endtime "See full answer

Glados - "Prompt - annual cost of managing Google photos (note - I believe Google doesn't ask estimation question anymore, not sure who/here/how this was asked) We will go over what Google photos is, its users, how they use photos, what costs are incurred, estimation - base case then scale it out, gut check the answers, and arrive at an estimate Google photos is a photo and video storage service. Its users are Content creators/users Google (hosting) Other service providers that provide value-add"See full answer

Umang S. - "Context - I joined a large public-facing service as a PM midway through its development. Situation - Due to the SOPs of the company the team already had a metrics framework. That included your standard DAUs, Retention and Acquisition Metrics Concern - As SOP metrics were publicly accepted, the team did not internalise what success actually means to the product they are developing, as the actual value was not being encapsulated in the framework This was evident in the show and tells as the"See full answer

Kartikeya N. - "Clarifying questions: What level of retention are we targeting?: 30/60/90 day?: 30 days retention Do we have any user geography in mind?: No, lets talk global How do we define 30 day retained user? : Any user who comes to the app once in 30 days to do something meaningful How much is the current retention and how much do we want to increase it to?: Lets aim to 2X the current retention in an year Lets start with the Goal of the Adobe Scan app. Its goal is to allow users to capture im"See full answer

Hashmina H. - "Clarifying Questions: Do we want to target a particular geography or location or should it be done globally? Assume global Is there any particular platform and device we are targeting (App/web) or should it be cross platforms? Cross platforms Can I think about it as Product led solutions or do you want to consider marketing alternatives as well? Let's start with Product led solutions & later if time permits, we can touch on the marketing side as well Are there any constra"See full answer

Rita V. - "Gardening product for Meta Clarifying question: Is this going to be a new product? Or part of FB/IG? Gardening as a work? Pleasure? Lets start with META mission - Meta’s mission is to bring people together and form a community. In our case of gardening, it can be smart to solve the case of tips and questions, specially for users that just start to do some gardening. Its a nice hobby and can bring people to work together and support each other. Users I think I will go and seg"See full answer

Dhruv S. - "Before proceeding, I just wanted to clarify we wanted to check for the impact of showing content from non-friends in users’ feeds, and here non-friends I would assume could be anyone, but mainly like content creators, and I am not including ads here. But I wanted to ask if there is any current logic as to what posts to show based on users' affinity to those posts, maybe basis the user engagement to Insta feed. now objective of this would be to improve the engagement of the platform, as if users"See full answer

Anonymous Muskox - "YouTube Goal -> Give voice to everyone and show them the world, Video -> Shorts( Dominated by Shorts, Reels, Tiktok Mid(1-25 Min). -> Youtube Medium Long(60-90 Mins) -> [Opportunity] Long(150-180 Mins) -> OTT Platform, Movies Youtube can assist content creators on Youtube to make high-quality Film Like Videos without any Production Setup. Assisting Content Creators to create Movies with"See full answer

Abhinav M. - "Always assume good intentions on the part of both parties when resolving conflicts. Then proceed with a STAR example."See full answer

D P. - "Question for the community: have others experienced a situation where the interviewer really pushed for defining a success metric early on in the case before making too much progress on the case itself? If so, how did you handle? How I approached the case: I used the framework taught here on Exponent but have a question for the community. At the beginning of the interview, I shared my steps - company goals, customer, painpoints, solutions, prioritize and if we had time, I'll explore some succ"See full answer

Anshika R. - "Functional Requirement User should be able to add review the food item/order User should be able to rate the food item delivered User should be able to Like/Dislike others reviews User should be able to see all reviews on a food item Users should be able to receive rewards based on criteria- (Quality of the reviews- Based on number of likes - Monthly cash card) OOS - Item is already ordered and exists in a separate system, User is authenticated. No Media Non Functional requireme"See full answer

XYZ - "We have observed that DAU have been declining, while MAU has remained constant. Activity is define as: Logging in. Viewing content. Posting content. Interacting with other users (likes, comments, etc.). Daily Active Users (DAU): This measures the number of unique users who engage with Instagram on a daily basis. It indicates how frequently users interact with the platform and reflects its daily stickiness. Monthly Active Users (MAU): This measures the number of unique users who en"See full answer

Scott S. - "Designing a Price Drop Tracker system like CamelCamelCamel involves creating a platform that tracks price changes for products on various e-commerce websites and notifies users when prices drop. Here’s a detailed system design for such a service: Functional Requirements User Registration and Authentication\: Users can register and log in. Support for social media logins (e.g., Google, Facebook). Product Tracking\: Users can add products to their watchlist for"See full answer

Kishor J. - "we can use two pointer + set like maintain i,j and also insert jth character to set like while set size is equal to our window j-i+1 then maximize our answer and increase jth pointer till last index"See full answer

P R. - "First I'd like to clarify the definition of reactions and confirm that it's same as what exists today. Definition: Reactions provides users the ability to provide richer expression beyond 'like' Business goal: Since this is a mature product, the business goal is to improve user engagement Product goal: Bring people closer together by letting people provide more accurate sentiment to the community based on the content Personas: 1. Content creator 2. user using reactions **Li"See full answer

Manohar A. - "Some follow-up questions to correctly understand what "improve" means here? Is it to have: more riders, better user experience, monetization, more/new market penetration. Let's assume interviewer requested to choose whatever I prefer. I choose better user experience which might trigger other areas of improvement as well. Some more probing questions: To I need to consider USA only or any other country/region or global? Can I consider only popular on demand taxi service for this question? One wa"See full answer

Bimal M. - "Clarification questions: What do you mean by online furniture-selling market? Why would google want to do it? Why does google want to do it now? Where does google want to launch it? Let me make the assumptions answering above questions: It is like google flights, say we call it google furnitures, where it organizes, curates furniture information to the users and then refers to the seller website instead of selling furniture directly to the consumer like amazon, walmart, way"See full answer