American Express Interview ExperienceTop american-express interview questionsS.NoInterview QuestionNumber of times candidates experienced this question in interviews1Valid Anagram Leetcode Solution64762Reducing Dishes LeetCode Solution53293Product of Array Except Self LeetCode Solution52054Group Anagrams LeetCode Solution50665Implementation of Deque using Doubly Linked List47706Subarray with Given Sum45927Same Tree LeetCode Solution41528Subarray Sum Equals k38709Remove Nth Node From End of List Leetcode Solution317210Maximum Length of a Concatenated String with Unique Characters Leetcode Solution290111Convert a normal BST to Balanced BST276912Sliding Window Maximum LeetCode Solution241813Maximum Sum of Non Consecutive Elements238114Smallest Multiple of a Given Number232615Find the point where a monotonically increasing function becomes positive first time202216Isomorphic Strings LeetCode Solution196417Check if a queue can be sorted into another queue using a stack175218Check whether a given Binary Tree is Complete or not172519Convert a String that is Repetition of a Substring of Length K1576