Interview lasted for 60 mins.

There were 2 questions:

1. Leadership Principle
2. Coding problem

• Leadership Principle:
  • Tell me about a time when you had to go out of you comfort zone to learn something new and use it.
    • Discuss the complete scenerio why this is correct approach and why we need to invest time in something new.
  • What was the most difficult part of this (be it research, implementation, testing).
• Coding Problem:

	  Millions of customers visit the Amazon websites. For a marketing campaign it is required to be able to:
		  1. Keep record of the number of times a given customer has visited the site
		  2. Most importantly, Marketing wants to know the first ONE TIME VISITOR (the first customer to visit the site only once). 
		  3. For customers = B, D, E, A, D, ,C, B, ... Result = E .