Recent Google Interview Questions

Ying T. - "def encode(root): if not root: return [] def dfs(node): if not node: return res.append(node.val) res.append(len(node,children)) for child_node in node.children: dfs(child_node) res = [] dfs(root) return res def decode(arr): if not arr: return None n = len(arr) i = 0 def dfs(val, children_count): if children_count == 0: return Node(val) cur_node = Node(val) cur_node.children = [] for j in range(children_count): nonlocal i i += 2 cur_node.children.append(dfs(arr[i], arr[i"See full answer

Siddharth P. - "I believe these are the traits of a great PM. I see PM to be somone who is a great manager of customer problems and for that he/she has to be: Be an expert at the one domain and know the customer of the product in that domain and curate experiences for them better than the competition. Be persuasive - Get things done by convincing rather than commanding. Learn how great products are by being an engineer. Be a fearless leader by championing teams ideas all the way to the management la"See full answer

Maulik S. - "To build a product using Generative AI (Gen AI), the process would involve multiple steps, from conceptualization to deployment. Here's a structured approach : 1. Identify the Problem or Opportunity Start with the need or opportunity: What problem do you want to solve? Is it to automate tasks, generate content, enhance creativity, or improve user experience? Example products:A content creation tool that generates blog posts or articles. A personalized customer support chatbot"See full answer

Ama M. - "Answering only estimation portion for practice (for some reason after submitting the formatting is unorganized) clarification and assumptions can I assume this grocery store location is called Greens can I assume that self-checkout means that customers checks out without assistance? can I assume that cashier checkout means that cashier assists customers with checkout? can I assume that ratio means how man self-checkouts should be place at this grocery store compare"See full answer

Rupam S. - "Are you serious? What kind of dog is it? Why would a dog watch Netflix? What kind of movies do they like? Why are we only considering dogs? What’s wrong with cats? Are they going to play movies by themselves? Is it for pet dogs or stray dogs? Who will pay the subscription fees for them? "See full answer

Abhi S. - "CQs Is 10x capacity any specific time or in general Any time of the day , store should be able to handle To confirm, Grocery store objective is to sell day to day grocery and vegetables? Or do we want to include any other products Day to day grocery Why is the foot traffic more than 10x the typical cap. Was the store designed poorly or did the store not predict the foot traffic correctly ? We suddenly become local's favorite We want to design this single store to handle 10X capacity an"See full answer

Brandy L. - "The North Star Metric for Google Photos should be: Monthly Active Users (MAUs) who successfully store, organize, or retrieve photos/videos. Why? This metric reflects Google Photos’ core value: helping users store, manage, and access their memories seamlessly. It ties user engagement with the platform's primary offerings: reliable storage, easy search, and organization. Supporting Metrics: User Engagement: Monthly Active User (MAU) ratio: Growth and retention trends. "See full answer

Nid P. - "I explained the story of trying to help the engineer to improve the performance and after it is failed, the steps I have taken to move the eng to PIP."See full answer

Dileep D. - "Phishing Attack Scenario (High-Level) Attack Type: Phishing Goal: Steal user credentials Attack Vector: Fake email pretending to be a bank Target: End users Impact: Account takeover, financial loss Detection: Email filtering, user reports Prevention: User awareness training Multi-factor authentication Email security gateways"See full answer

Wizzy B. - "URL> DNS over UDP> IP address > TCP handshake > HTTP(SSL handshake) req, responses, websites architectures for any query DB, servers."See full answer

Pranay N. - "Okay, so before we start discussing how to design this platform, I have a few questions I need details on. Clarification Questions: What do you mean by "Podcasting Platform"? Producing a platform and releasing it online takes several steps (Ideation, scripting, equipment selection, recording, editing, choosing a platform to release, etc.). Are we looking at any specific step here? - Free to Assume Am I PM at Google designing a Podcast Platform as a tool inside existing Google Pro"See full answer

Shubham S. - "Good afternoon everyone my name is shubham shamra, i'm from aligarh i've completed my graduation in electricak engineering from Gurukulkangri vishwavidyalaya haridwar. I having 6.5 year+ experience in project execution, operation and vendor and client management. Currently i'm working at vision india services pvt. ltd. here i'm managing smart metering project my role involves - leading team, coordinate with all DISCOM project manager and stake holder, billing and end to end operations. Befor"See full answer