Amazon Interview Experience | Set 419 Last Updated : 12 Jul, 2019 Improve Improve Like Article Like Save Share Report Round 1: There were three questions in first round:- How to find all boundary node of a tree. GeeksforGeeks Link How to reverse a string using without any other variable. GeeksforGeeks Link From an array, Need to find an index in which sum of left elements & sum of right elements are same. GeeksforGeeks Link Round 2:Â Â Sort an array arr = {1, 0, 0, 0, 1, 0, 1, 1, 1, 1} with o(n) complexity. It is also called segregation of an array. GeeksforGeeks Link Like Article Suggest improvement Previous Amazon Interview Experience for SDE-2 Next Removing row or column wise duplicates from matrix of characters Share your thoughts in the comments Add Your Comment Please Login to comment...