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Amazon Wow Interview Experience 2021

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  • Difficulty Level : Hard
  • Last Updated : 04 Mar, 2022
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There are 2 online coding rounds along were there. The first online round has some questions related to pseudo-code also. The second online round has questions related to CN, DBMS, and OS also along with 2 coding questions.

Round 1: Interview

  • Given a matrix n*m initially having 0. You keep assigning 1 to given coordinates find no of connected components.
  • Given a vector of coordinates. 
  • I started by giving a DFS based approach which I optimized by using a map such that for every new coordinate we check if any of its adjacent elements is already present then do not increase the count otherwise increase the count.
  • Find a minimum no of transactions to settle a debt.
  • https://www.geeksforgeeks.org/minimize-cash-flow-among-given-set-friends-borrowed-money/

Verdict: Rejected

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