Amazon’s most frequently asked interview questions | Set 2 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. Last Updated : 22 Mar, 2022 Like Article Save Article Previous MAQ Software most Frequently Asked Questions Next Microsoft’s most frequently asked interview questions | Set 2 Share your thoughts in the comments Add Your Comment Please Login to comment...