Round 1:

• LP Questions
• Design a service for Alexa devices to report battery status (Object Oriented Design).
  • Follow-up: Should be for all alexa devices(video & audio, audio only, IOT devices etc.)

Round 2:

• LP
• Write a method that does find a file in given directory
  • search for file in all subdirectories
  • search for a file with variable number of constraints(like size, creation-date, ends-with etc..)

Round 3: [Bar Raiser]

• LP
• Variation of https://leetcode.com/problems/construct-binary-tree-from-inorder-and-postorder-traversal/, find postorder from inorder and preorder.

Round 4:

• LP
• Implement HashMap.(keys can be only dates).
  • Follow-up:
  • Get method should return value of closes date key, if given key doesn't exists.
  • Optimize time-complexity.