Interview Questions

Nasit S. - "Depend on the array size and number of 0's theere."See full answer

Anonymous Emu - "let str = 'this is a test of programs'; let obj={}; for (let s of str ) obj[s]?(obj[s]=obj[s]+1):(obj[s]=1) console.log(JSON.stringify(obj))"See full answer

Rohit B. - "class Solution: def missingNumber(self, nums: list[int]) -> int: Sorting approach n = len(nums) s = n*(n+1)//2 r = s - sum(nums) return self.r l = [3,0,1] print(missingNumber(l))"See full answer

Ali H. - "CIDR (Classless Inter-Domain Routing) -- also known as supernetting -- is a method of assigning Internet Protocol (IP) addresses that improves the efficiency of address distribution and replaces the previous system based on Class A, Class B and Class C networks."See full answer

Prashanth A. - "We are asked to calculate Sum(over value) for time in (t - window_size, t) where key in (key criteria). To develop a function to set this up. Let w be the window size. I would have an observer of some kind note the key-value, and for the first w windows just add the value to a temporary variable in memory if the key meets the key criteria. Then it would delete the oldest value and add the new value if the new key meets the criteria. At each step after "w", we would take the sum / w and store"See full answer

Madhini G. - "Use sticky sessions in loadbalancer to save the user sessions. In case of DB, use Redis cache to maintain user sessions"See full answer

Arshad P. - "Schema is wrong - id from product is mapped to id from transactions, id from product should point to product_id in transcations table"See full answer

Exponent - "This is another Diagnosis problem. To answer this question, we suggest you use our framework (along with the TROPIC method) to be as thorough as possible. The framework is as follows: Ask clarifying questions List potential high level reasons Gather Context (TROPIC)Time Region Other features / products (internal) Platform Industry / Competition Cannibalization Establish a theory of probable cause Test theories Propose solutions Summarize "See full answer

Exponent - "This is a Technical question. It tests your ability to understand high level technical concepts. Even though your job won't have any coding involved, you'll still need to understand these concepts. Being able to cover all these topics with clarity communicates confidence in your interviewer. Unfortunately, there's no formula for technical questions, but some general tips are: Use analogies when you can Break your solution into clear, bite-size steps Don't be afraid to use examples to b"See full answer

Exponent - "This was a fun question asked recently by Amazon. Let's get to it! This is a Design Question so let's follow the formula: Ask Clarifying Questions Identify user behaviors, types, and pain points State the goal and use cases List current solutions Brainstorm new solutions Evaluate and select solution Measure success Summarize Ask clarifying questions Here we want to clarify scope and make sure we are on the same page as the interview"See full answer

Exponent - "This is a straightforward Expansion problem, since we're expanding to a new market. This is the formula you should use when tackling these types of interview questions: Ask clarifying questions Perform user analysis Market risk analysis State goals Perform channel analysis Prioritize growth channels Strategy Summarize Without further ado, let's dive in! Ask clarifying questions It's important to ask questions in advance to create a"See full answer

Exponent - "This is one of the core behavioral questions you should expect in any interview. For this behavioral question in particular, we like to break things down into two parts: Listing the weakness How you're actively trying to improve For this solution, let's say our biggest weakness is being too detail oriented. Here's one potential way to answer this question: > My biggest challenge is I sometimes am too detail oriented that I miss the forest from the trees. This can cause me to go down rabbit"See full answer