Amazon Software Development Engineer SDE I interview questions

A brief intro and then quickly jumped to printing a matrix in spiral form. Starting with the brute solution to the advanced talked about complexity and space used. Moved to second problem after coding first one which was the tree variation problem. Asked lot of questions to understand the problem statement then provided a basic approach for it . Tried enhancing the complexity and was finally able to code it satisfactorily.

First Round was Coding Round I Could not able to complete it