Candidatei-me por indicação de um funcionário. O processo levou 4 semanas. Fui entrevistado pela Amazon (Seattle, WA) em mai. de 2011
Entrevista
Applied through employee referral. Got email from HR recruiter. Two phone screens which were fairly easy and then five onsite interviews; hard enough to sweat. Questions were focused on algorithms. Prepare everything: career cup, PIE. Don't really know what they expect.
Phone screen 1:
Basics of data structures like stacks, queues, hash tables.
Code: check whether a given string is palindrome or not.
Follow up: Find all substrings in a string that are palindromic.
Phone screen 2:
concepts of operating systems: deadlock, threads v processes
Code: A number between [0-N] is missing in an array of [0-N-1]. Find the missing number.
Design: Poker game.
Perguntas de entrevista [5]
Pergunta 1
Given a log file containing (User_Id, URL, Timestamp) user can navigate page from one to the other. Find the three page subset sequence repeated maximum number of times. Records are sorted by Timestamp.
Bar raiser
Given a NumberPool containing number sequence of numbers from 1 to infinity. Implement an interface, essentially two functions-
checkin(N): which adds number to the number pool and makes it available.
checkout(): returns minimum number from the pool and makes it unavailable.
Bar raiser
1. Given array of numbers, find a, b, c such that a + b = c. Can you beat O(N**2) ?
2. Difference between Quick sort and Merge sort. What modifications you make in Quick sort so that it provides O(N lg N) worst case complexity.
Given a set of numbers, partition the set in to two, such that sum of all the candidates in first subset = sum of all the candidate numbers in second subset.
It started with an OA, and then after a few weeks, I got invited to four rounds of interviews: technical and behavioral at 3 of the 4, and behavioral only at one.
Fiz uma entrevista na empresa Amazon (São Paulo, SP).
Entrevista
Um teste de código online, se aprovado, vai para o loop. O loop é 4 entrevistas seguidas, duas em inglês e duas em português. 3 entrevistas técnicas de código, todas as 4 têm pergunta de liderança.
Perguntas de entrevista [1]
Pergunta 1
Pergunta historicas baseada nos principios de lideranca da amazon.
The whole process stretched over nearly a month, longer than I anticipated. After an initial phone screen, I faced a technical round that included a Min Stack implementation question. We discussed design considerations and thread safety, which threw me for a bit. Fortunately, I remembered a specific mock interview I practiced on PracHub that mirrored this scenario closely, making me feel more at ease. Ultimately, I received an offer, but I chose to decline due to the company culture not feeling like the right fit.
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