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Given a sorted array of n integers that has been rotated an unknown number of times, write code to find an element in the array. Design an algorithm and write code to find the first common ancestor of two nodes in a binary tree. Avoid storing additi

A recruiter contacted me on LinkedIn. Then I had a phone interview with the HR director. After that, I had a phone interview with the team manager. He recommended me, and finally, I had an on-site interview for 7 hours.

Applied online, completed an online test, and went through a couple of phone interviews. The onsite interview involved four engineers and a systems design component. The interview was really tough; I had to postpone it a couple of times to prepare.