Google Senior Software Engineer interview questions

Round -1 (Written Round) Pen and Paper Level order Traversal in spiral form. Design deck of cards with joker (53 cards). 1 array question need to do in O(n). Round -2 F2F About previous projects and role. In- place rotation of 2D Array by 90 degree clockwise. About Amazon- what are the different projects in amazon Round-3 F2F Find the sum of all elements in a matrix except the elements in row and/or column of given cell? Print top view of tree without hashing.