Apple Interview Questions

Ben G. - "Situation - A time when I worked well on a team was while I was working with the larger team at Blade to do the redesign before their IPO. Essentially, we had a month to launch a redesign (both visual and UX) of the entire project Task - I was tasked to direct all design efforts and strategy for the mobile and web experience on blade - being a lead in the trifecta group. Action - Through effective teamwork, we all led strategy and championed our areas of product, design and engineering. As a"See full answer

Jerry O. - "\# Definition for a binary tree node. class TreeNode: def init(self, val=0, left=None, right=None): self.val = val self.left = left self.right = right class Solution: def maxPathSum(self, root: TreeNode) -> int: self.max_sum = float('-inf')"See full answer

Satish murthy D. - "It is very easy to shy away and not make a decision because you might feel the right information is not there to make a decision While dealing with ambiguity it is essential to remain Calm. And Establish what it is you want to achieve by asking a lot of questions to the necessary stakeholders Access the risk, analyze the data at hand, ask the right questions, and be very clear and concise in decision-making"See full answer

Sarvesh G. - "def calc(expr): ans = eval(expr) return ans your code goes debug your code below print(calc("1 + 1")) `"See full answer

M N. - "Lyft mission. What do we mean by engagement here? We want higher rides , not just time spent on app. What does social mean? When we create interactions between riders. Lyft line is social. Ideas: Idea: Can we maintain interactions between riders by letting them ride with same people again? Benefit: Increases repeat rides. Idea: Giving riders an option to request a driver they rode with. Benefits: Increases social interaction between riders and drivers. Increases retention and # rides as"See full answer

Nitin P. - "public static void sortBinaryArray(int[] array) { int len = array.length; int[] res = new int[len]; int r=len-1; for (int value : array) { if(value==1){ res[r]= 1; r--; } } System.out.println(Arrays.toString(res)); } `"See full answer

Mark K. - "This problem could be solved in two ways(both using Kadane's algorithm): Simple iterating 1-D dp function maxSubarraySum(nums) { const n = nums.length; if ( n === 0) return 0; const dp = Array(n).fill(0); dp[0] = nums[0]; for (let i = 1; i < n; i++) { dp[i] = Math.max(nums[i], dp[i - 1] + nums[i]); } return Math.max(...dp); } "See full answer

Amparo L. - "I was a student worker at Gordon's Food Service, Schaumburg, My tasks were vacuuming onion peels, checking expiration dates, cleaning the break room, cleaning the shelves from the Ailes, Stocking stuff on shelves, sweeping the backroom, mopping, Refilling bottles with cleaning supplies and cleaning the fridge glass."See full answer

Ali H. - "SQL databases are relational, NoSQL databases are non-relational. SQL databases use structured query language and have a predefined schema. NoSQL databases have dynamic schemas for unstructured data. SQL databases are vertically scalable, while NoSQL databases are horizontally scalable."See full answer

Kargi C. - "Average case - lookup/insert/delete - o(1) -> assuming a low load factor and uniform hash distribution. Worst case - o(n) -> where are keys collide in same bucket"See full answer

Exponent - "This is an interesting Favorite Product question. Normally when we're asked this question we pick technology products, but this time the interviewer wanted to throw us a curveball by asking about a non-technical product. Don't worry - it still follows the same approach: Choose a product and briefly explain what it is Who are the users? What are their pain points? How did competitors solve it in the past? **How does this product address these pain points differe"See full answer

Guilherme F. - "A much better solution than the one in the article, below: It looks like the ones writing articles here in Javascript do not understand the time/space complexity of javascript methods. shift, splice, sort, etc... In the solution article you have a shift and a sort being done inside a while, that is, the multiplication of Ns. My solution, below, iterates through the list once and then sorts it, separately. It´s O(N+Log(N)) class ListNode { constructor(val = 0, next = null) { th"See full answer

Amparo L. - "I'm currently a School Bus Monitor at First Student, I make sure that the students on the bus are seated down, making sure they are safe during the bus ride. Sometimes depending on the day they may need me to help do a wheelchair so I sometimes help the driver out with making sure the wheelchair is safely secure, hooking up the 4 hooks on the wheelchair, putting the lap belt on the student and also making sure the student feels comfortable during the bus ride. After we finished dropping off our"See full answer

Anastasiia V. - "First, I would operationalize the term "slip" by asking: What’s slipping — delivery, scope, quality, or decision-making? Second, I would ask the following questions that help me shape the possible causes for the "slip": What is important for us in this project delivery: time/quality/scope? What is the priory of this project? Is it urgent? Do we have a strict customer or other stakeholder commitment? Is it a big project that involves multiple teams or is only one team involved"See full answer

Mridul J. - "We have a list of documents. We want to build an index that maps keywords to documents containing them. Then, given a query keyword, we can efficiently retrieve all matching documents. docs = [ "Python is great for data science", "C++ is a powerful language", "Python supports OOP and functional programming", "Weather today is sunny", "Weather forecast shows rain" ]"See full answer

Anonymous Stork - "You are working on a SaaS product that currently uses Basic Authentication (username/password) for API and application access. The security and compliance teams have mandated moving to a more secure, modern authentication mechanism — OIDC (OpenID Connect). Design the authentication system migration from Basic Authentication to OIDC. Discuss the architecture changes, the migration approach, and the rollout strategy. What are the technical challenges, impacts on customers, backward compatibility"See full answer