As per Db friends request here are the compilation of tech interview questions I faced. Hope this will help @bankris @csrcsr Prep is simple.. do blind 75   Google 1 (2019) Phone : Wiggle Sort Given a binary string with 0s 1s and ?s replace all '?' with all possible combinations of 0s and 1s Onsite : 1.      Binary tree game - Two players can choose any unselected nodes and all the child nodes will go to them. write code to win the game 2.      IP Addr