Hello Geeks, I had interview in amazon few days before. I’m sharing you my experience. It was for SDE-I Profile for Hyderabad(India) location.
Round 1: Online Coding(Interviewstreet)
Q1. Print the nth largest node of the given BST. In this question you will have to write a function.
Q2. Convert the BST into sorted doubly linked list. In this question also you will have to write a function.
Q3 & Q4 was simple algorithm based.
Round 2: Telephonic Interview-I
Q1. Given Matrix, and co-ordinates of sub-matrix of given matrix find sum.
Eg 1 2 3 4 5 6 7 8 9 Coordinates for submatrix 1,1 and 2,2 Sum= 28
Q2. Given a linked list reverse every n chunks.
EG: 1 -> 2 -> 3 -> 4 -> 5 -> 6…n = 3
Output: 3 -> 2 -> 1 -> 6 -> 5 -> 4…
later they extended this Question…If there is only one node and give many conditions.
Round 3: Telephonic Round-II
Q1. Design a data structure for insertion, deletion & get minimum element in O(1)time complexity? Implement the same.
Q2. Given a Binary Search Tree and two nodes find parent node which is parent of both nodes in a given binary search tree. Later the they extended it to simple binary tree.
Round 4: F2F-I
Q1. Is given n-ary tree is Sum tree or not? implement function…
Round 5: F2F-II
Q1. Vertical traversal Order of tree(implement it).
Q2. Lots of discussion on project.
Round 6: F2F-III
Q1. Given a circular array and a pointer find the given element in the array.
Q2. Lots of discussion on current company & company’s work.
Round 7: F2F-IV
1. Customer Producer problem,
3. Deadlock how to solve it.
Q: Favorite Sorting Algorithm.why,where to use it? and various question on the sorting algorithm which I answered.
Every time they ask for time complexity for code. Ask to optimize my solution.
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