Google

Was contacted by a recruiter. Sent CV. Had a phone interview screening. In the meantime, I decided to do a Masters Degree and had to stop the hiring process.

Phone Screening 1: Given an array, find all pairs that add up to a given sum. Generalize on finding more than two elements that can add to the given sum. Discuss data structure operations complexity in relation to the data structures used for coding

Difficult to secure an initial interview. Had to know someone in the company. Good interviewers, who asked very challenging questions. Had to go through multiple rounds of interviews. Difficult to advance to the next rounds.