Interview Questions

kkkt - "Me: First let's clarify the user journey of the Facebook dating app Interviewer: Me: Do we know how success is defined in this context? Interviewer: Please figure that out yourself Me: Ok let's first discuss the mission of Facebook and how Facebook dating app is part of that. Then lets brainstorm what the goals would be for Facebook Dating. That help us determine the user behavior and metrics we can create. Finally let's fi"See full answer

Anonymous Porcupine - "https://www.geeksforgeeks.org/find-local-minima-array/ I coded O(N) but after that gave a binary approach aswell. After that he also gave a varient of this problem in which, local minima means that the number is strictly less than its adjacent (we cannot do binary search there sample test case [1,1,1,1,1,1,0,1] or [1,0,1,1,1,1,1,1] using mid we cannot determine if the minima is on left or right). we have to do a linear search or find recursively."See full answer

stash - "Clarification What does showing ads mean ? Is it showing outside of the car as a mobile billboard or showing inside of the car on screens? —> Inside of the car / digital ads What is our product strategy with Waymo. Do we want to get into the ride hailing business or license our tech —> To be defined by you Do we have any near or long term revenue goals for this —> Get wide usage of Waymo tech and be a key driver in accelerating the adoption of self-driving cars accessible in the world"See full answer

Howard H. - "We have to work with the c-suite to understood the direct quartly outcomes or goals. This could be our epic and then we try to break that down into business value and complexity . This will allow us to prioritize whats next. From there we can structure a mvp to cover maybe some of these areas to understand the estimation of this work. After the first couple weeks we can structure a roadmap and then define when"See full answer

Anjali M. - "Several reasons why eCommerce will capture a trillion$ market in the next 10 years. User consumption habits have changed and the pandemic has only accelerated user behavior to order online from the convenience of buying from home. The supply chain is becoming better with partnerships and digital products are making shipping and deliveries much more convenient. Many companies investing in automated shipping vehicles eg Drone deliveries and in near future we might see automated driving v"See full answer

Kasturi K. - "What do you mean by smart lock. It is home locking system or digital locks Assuming it refers to home solutions that Google wants to get to build Customers Homeowners/ Rental Hotels Banks Vehicles Shops Each of the customer segments are good. Let’s investigate some of their characteristics Homeowners/ Rental – Huge Market as every urban house has a need. Hotels – Again the need is very high. Affordability is high. Low desirability to change existing set up. Banks – No"See full answer

Maliki U. - "Here is my implementation: select marketing_channel, AVG(purchasevalue) as avgpurchase_value from attribution group by marketing_channel order by avgpurchasevalue DESC ; There is no need to copy and past the line of code for calculating the average into order by, just Alias is enough because going by the order of execution in sql, Always, order by is executed after executing select clause."See full answer

Kavya C. - "MTBF is Mean time between failures. This is measured to figure out how reliable a system is by what is the gap between 2 failures. (Total time elapsed- Down time)/No of failures"See full answer

realkimchi - "Objective: Proposal for expanding the service offerings for small restaurants and local cafes. The objective is to enhance the Instacart Business platform by integrating local vendors (Speciality Food & Beverage Business Units) to increase product selection and improve supply chain efficiencies for business customers. Market Focus: The target market includes food service establishments characterized by their need for distinct, locally sourced ingredients and their struggles wi"See full answer

Michael B. - "Problem: Given a modified binary tree, where each node also has a pointer to it's parent, find the first common ancestor of two nodes. Answer: As it happens, the structure that we're looking at is actually a linked list (one pointer up), so the problem is identical to trying to find if two linked lists share a common node. How this works is by stacking the two chains of nodes together so they're the same length. chain1 = node1 chain2= node2 while True: chain1 = chain1.next chain2=chain"See full answer

jantheman88 - "Company Mission: To Organize the World's Information Clarify: What type of product are we looking to build? Software, Hardware? -> Hardware Makes sense since Google has a strong software stack including Android TV, which is a huge business by Firestick & Nvidia Shield, as well as Chinese based hardware implementations. Is there any restrictions for this type of approach, or are we free to go around any way we'd like? -> You're free to take any approach you'd like. Google has a strong c"See full answer

Shashwat K. - "Binary Search on the array and after than compare the numbers at low and the high pointers whichever is closest is the answer. Because after the binary search low will be pointing to a number which is immediate greater than x and high will be pointing to a number which is immediate lesser than x. int low = 0; int high = n-1; while(low <= high){ int mid = (low + high) / 2; if(x == arr[mid]) return mid; //if x is already present then it will be the closest else if(x < arr[mid]) high"See full answer

Anna H. - "Clarifying questions: How to define “price” in this interview question? Price is defined as the market value of a crypto asset (bitcoin, Ethereum, tether, BNB etc.). Due to the characteristic of crypto assets which is time-sensitive, is this designed for a particular period of time? 1H, 1D, 1W, 1M, 1Y? No Do we know the target customer segment given geographic location or demographic? Not specific. Is it designed across devices? Mobile app. Assumptions: There are 03 cu"See full answer