Amazon’s most frequently asked interview questions | Set 2 Last Updated : 22 Mar, 2022 Improve Improve Like Article Like Save Share Report Amazon’s Most Frequently Asked Questions | Set 1 Level – Easy Get minimum element from the stack – Practice here Serialize and deserialize a binary tree – Practice here Print a binary tree in a vertical order – Practice here Celebrity problem – Practice here Level order traversal Swap the kth element from starting and from the end position – Practice here Binary tree to bst – Practice here Max sum in the configuration – Practice here Find the nth element of spiral matrix – Practice here Count the number of occurrences in a sorted array Find the smallest window in a string containing all characters of another string Find the maximum of all subarrays of size k Find the kth smallest element in row-wise and column-wise sorted matrix Minimum swaps required to arrange pairs There is an array of N numbers ranging from 1 to N. Only 1 number is missing, return the index of that number Find the second largest and second smallest in a given array in a single traversal. Find power(x,y) without using pow function.(divide and conquer approach required) Count possible decoding sequence Level – Medium Given two string print them inter leaving strings characters Minimum cost required to travel from top left to the bottom right in a matrix Maximum difference between node and its ancestors – Practice here Min distance between two given nodes of a binary tree – Practice here Find the number of island – Practice here Topological Sort – Practice here Detect cycle in a directed graph – Practice here Flattening a link list – Practice here Detect a loop in a linked list – Practice here Check if a binary tree is BST or not Min Cost path Count ways to reach nth stair Maximum Subarray Problem Palindrome Partitioning Given a binary tree find the minimum root to leaf height. Implement LRU cache Level – Hard Boolean parenthesis – Practice here Maximum Index – Practice here Largest Number formed in the array – Practice here Find the length of maximum numbers of consecutive numbers jumped up in an array Delete the elements in a linklist whose sum is equal to zero Given a list of numbers of odd length design an algorithm to remove a number and divide the rest numbers equally so as it makes their sum same Find diameter of a binary tree Also see Amazon Interview Experiences Amazon Practice Questions Top topics for Interview Preparation You may also like to see the following Amazon Interview Video. Like Article Suggest improvement Previous Amazon Interview Experience Next Microsoft’s most frequently asked interview questions | Set 2 Share your thoughts in the comments Add Your Comment Please Login to comment...