Interview Questions

Anonymous Owl - "def flatten_dictionary(dictionary): \# return a flattened dictionary - int/string/another dictionary values \# if the key is empty, exclude from the output \# concat using a "." btwn them \# add to res which is { "key.a.b.etc": "value" } \# iterate through the key value pairs \# while there is a key value pair in the value \# continue going through that, until the value is an int/string flatDic = {} flatDicHelper("", dictionary, flatDic) print(flatDic) return flatDic def flatDicHelper(initialKey"See full answer

Sam M. - "The design review has three stages; In-draft, Review and Complete. I consider a design review completed when the problem statement has been clearly addressed via a feature or a solution and signed off on by all the key stakeholders along with engineerings."See full answer

Celia F. - "Managing multiple demands within timelines requires effective prioritization, organization, and time management skills. My task is to assess priorities, set realistic timelines, and allocate resources efficiently to meet deadlines. For instance, I've implemented project management tools and workflows to track tasks, monitor progress, and ensure timely delivery of deliverables. By effectively managing multiple demands, I've been able to meet deadlines consistently and deliver high-quality work fo"See full answer

Anna H. - "Great. I’d like to break down this by discussing impacts of post investment decisions for the Pixel handset lines at two levels of micro and macro evaluation, which will be able to lead us to an evidence-based answer of what I think Google should continue to invest and ramp up their investment to hit their target ROI. First, closely looking at micro aspects, Google’s business model is a so-called multisided platform, generating either free search engines and monetizing contents for Internet use"See full answer

Hmj V. - "I said - I recently got promoted and mentioned yes. Now that I realize - I didnot answer to the point. Should have just yes - it doesnt matter to her whether or not I got promoted or not"See full answer

E L. - "WITH CTE AS ( SELECT *, ROWNUMBER()OVER(PARTITION BY utxoid ORDER BY transactionid) AS trxrk FROM transactions JOIN transaction_inputs USING (transaction_id) JOIN utxo USING (utxo_id) ) SELECT transaction_id AS InvalidTransactionId FROM CTE WHERE sender!=address OR trx_rk > 1 `"See full answer

UoP - "What goals would you set for Reels recommendation engine? Clarification: Is this Reels on Instagram, FB? Which ones do you mean? -Instagram What does this feature cover- Reels recommendation engine- showcases a new video to the user when tapped User can Like, comment , add reel to the story, remix this reel, save, report, not interested Why is this done? Competition from Tiktok : Make Reels appealing to Meta userbase so that Meta doesn't lose users, creators, brands to TikTok Mission "See full answer

Hl M. - "Clarifying Slack is a mature product in markets with millions of users B2B platform Expand customer base to school boards SWOT Technology is mature and well reputed Good privacy practices Threats Google school Microsoft learning education Zoom Journeys User Users for slack - for - school School boards 12 school boards Primary Secondary High Universities - Remote learning / Distant educations - Incumbents MooCs - Existing platform End Users: Students Teachers Administrators Ed"See full answer

Parth S. - "Assuming that trades will have information like trade_type buy or sell trade_price with these tuples, one can iterate over each trade while maintaining a stack which maintains all the open buy trades. If we encounter a sell trade then we pop one element make it a buy/sell pair and calculate the profit/loss for that pair. Moreover, keep adding pair-wise profit/loss to calculate overall profit as we continue iterating over trades. At the end print pairs and their profit/loss along with"See full answer

Carlos L. - "There are many companies I’m excited about, but none captures my heart and imagination more than Lego. I have great memories of playing with Lego. I remember the thrill and happiness after completing a set and the excitement to show it to my family, relatives and friends. From a product standpoint, Lego offers a myriad of opportunities for growth in today’s context in which technology is ubiquitous. **Lego has faced several challenges over the years from expanding their user base, tradi"See full answer

Exponent - "This is another Fermi problem — an estimation or approximation problem with limited information and back-of-the-envelope calculations. There's no right answer: interviewers want to understand how you think and how well you can explain your reasoning, rather than what you already know. Recall the formula for Fermi problems: Ask clarifying questions Catalog what you know Make equation(s) Think about edge cases to add to equation **Breakdown components of your"See full answer

Utsav M. - "reduce lag time and latency. people joining at a given time for adoption."See full answer

Ayush kumar S. - "I submitted a PRD as it was a take home assignment."See full answer

Exponent - "This is a pretty straightforward Improve a Product question. Let's first go over the Improve a Product formula: Ask clarifying questions Identify users, behaviors, and pain points State product goal Brainstorm small improvements Brainstorm bolder improvements Measure success Summarize Now, let's begin! Ask clarifying questions Before we begin listing off recommendations, it's important you ask questions to ensure you and the interviewe"See full answer