American Express Interview ExperienceTop american-express interview questionsS.NoInterview QuestionNumber of times candidates experienced this question in interviews1Valid Anagram Leetcode Solution65012Reducing Dishes LeetCode Solution53593Product of Array Except Self LeetCode Solution52334Group Anagrams LeetCode Solution51105Implementation of Deque using Doubly Linked List48266Subarray with Given Sum46137Same Tree LeetCode Solution41878Subarray Sum Equals k38999Remove Nth Node From End of List Leetcode Solution320610Maximum Length of a Concatenated String with Unique Characters Leetcode Solution292611Convert a normal BST to Balanced BST279312Sliding Window Maximum LeetCode Solution244013Maximum Sum of Non Consecutive Elements240714Smallest Multiple of a Given Number234615Find the point where a monotonically increasing function becomes positive first time204116Isomorphic Strings LeetCode Solution198817Check if a queue can be sorted into another queue using a stack177418Check whether a given Binary Tree is Complete or not174519Convert a String that is Repetition of a Substring of Length K1615