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I didn't expect to get a brain teaser question but it was fairly easy. Q: There are 3 jars with 3 labels on it. Each jar contains sweet, sour, or mix (sweet + sour) flavor jellybeans, however, all 3 labels are wrong. Find a way to correct each labels by tasting jellybeans.
Not going to get into a specific question, but they asked me to write a web app to do something. This isn't something I've ever had to do before in a remote interview so I asked the interviewer what he meant by that. He told me to share my screen on Skype and write a web app from scratch which solves a certain problem. After that he asked some architecture / scaling questions.
Say you are given a sum value and then an array of numbers. How would you search through this array to find two numbers that add up to the sum value?
Find repeating number in array from 1 to n. O(1) space. Only one element is repeating.
Find the contiguous subarray within an array (containing at least one number) which has the largest sum. For example, given the array [−2,1,−3,4,−1,2,1,−5,4], the contiguous subarray [4,−1,2,1] has the largest sum = 6.
basic os questions Different Ways to Add Parentheses Create Binary Tree From Descriptions
Find the height of a binary tree
Give a high-level design for a large-scale document retrieval system. For any given document, the system should be capable of efficiently returning the top k most similar documents present in the database.
There is a car and you have 5 tires each of which can go 8000 km then how much total distance can the car cover?
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