Interview Questions

Anonymous Unicorn - "naive solution: def countprefixpairs(words): n = len(words) count = 0 for i in range(n): for j in range(i + 1, n): if words[i].startswith(words[j]) or words[j].startswith(words[i]): count += 1 return count using tries for when the list of words is very long: from collections import Counter class TrieNode: def init(self): self.children = {} self.count = 0 # To count the number of words ending at this node"See full answer

Siddharth J. - "Google Plus"See full answer

Chermaine Y. - "Zero in on the problem, the expectations of user are to find a restaurant but their feed is uninspired so they may bounce out of Yelp. Identify the impact size of user feeling like discovery is not personalised enough by seeing % of users that selected a restaurant from the homepage If large enough, I will look at who is likely the ones that want personalisation and why? Do they feel like they want to try new restaurants or are they finding it difficult to find restaurants they have been"See full answer

Ekta M. - " Why do we want to increase the price? How much do we need to increase? Is it tied to some kind of revenue target? What is the region in which price needs to be increased? - Say India Who are the major players in that region who offer similar services and how are they priced? Will the users switch to those competitors? What is our unique proposition for retention? Do we have any leverage against them which will stop the users from churning? Any change in pricing or anything major like terms an"See full answer

Shivam B. - "In my role as a Product Manager at a B2B SaaS startup, I encountered a situation where we were facing a critical issue with one of our key features. Our engineering team proposed a quick fix that would address the immediate problem, but it was clear that this solution wouldn't provide a sustainable long-term solution. Despite the pressure to implement the short-term fix and resolve the issue swiftly, I decided to advocate for a more comprehensive, long-term strategy that would address the root c"See full answer

Ihuoma remita U. - "through the combination of online resources, hands on project and community engagement."See full answer

Tomer B. - "Clarify What do we mean by memorialize? Are we aiming to launch a physical or software product? What is our goal with this product? Are there specific types of pets we have in mind? Assumption Memorialize means to remind ourselves about our loved pets who passed away. We would like to launch a software product. The goal is to help users cope with the lose of their beloved pets. We also focus on house pets, keeping it for dogs and cats as the biggest market for pets. User"See full answer

Reno S. - "import Foundation func spiralCopy(inputMatrix: [[Int]]) -> [Int] { let arr = inputMatrix var top = 0, down = arr.count - 1 var left = 0, right = arr[0].count - 1 if top == down && left == right { return arr[top] } var ans: [Int] = [] while top <= down && left <= right { for i in left..<right { ans.append(arrtop) } for i in top..<down { ans.append(arri) } fo"See full answer

Karthik M. - "Assumptions & Clarifications Users have access to all Google Workspace applications like Google Drive, Gmail and the same photo editing tool - let us call this tool - Google Photo Editor (GPhoto). Users can share the images like Google Docs - giving people read-only, read-write / edit access Goals Google's vision is to organize the world's information and make it accessible. GPhoto's mission / goal is to organize the world’s photo and make it accessible to others to view, edit or"See full answer

onering2ruleall - "Total volume of the swimming pool, let's say it's a standard 50m x 25 m x 2m =2500 m3 = 2.5 million litter standard water horse water flow rate is 17 liter per min. So, 2.5 m / 17 =147,059 min"See full answer

Praful B. - "It could make Gmail less accessible to people who cannot afford to pay for it. It could lead to users switching to other email providers. It could damage Google's reputation as a company that provides free services."See full answer

Rashmi P. - "dhwqdoqw"See full answer

Taha U. - "In details: setting k=1 in KNN makes the model fit very closely to the training data, capturing a lot of the data's noise and leading to a model that may not generalize well to unseen data. This results in a high-variance scenario."See full answer

Niji R. - "General Approach: In a funnel, prospects that dropped off at the very end just before conversion are the ones that were most likely to convert simply because they went through the effort of going through multiple steps to advance to the very end of the funnel. The more the prospects advances through the funnel, better their probability of converting. I'd therefore focus more on reducing drop-offs at the final stages of the funnel for better conversion. Caveats: There are certain use-cases where"See full answer

Nanda S. - "Looked at use-cases - what would be biggest value props be. Looked at VIP people moving to save the cost of private airplane, security personnel and for everyday people it could be used for emergencies when people had to be moved quickly and safely. Looked at industrial use cases also for security such as moving precious stones like diamonds or high amount of cash where there would be high security, armoured trucks and logistics cost. Decided to narrow down to industrial use and went deeper int"See full answer