American Express Interview ExperienceTop american-express interview questionsS.NoInterview QuestionNumber of times candidates experienced this question in interviews1Valid Anagram Leetcode Solution87232Group Anagrams LeetCode Solution70783Product of Array Except Self LeetCode Solution65104Reducing Dishes LeetCode Solution63645Implementation of Deque using Doubly Linked List61336Subarray with Given Sum57507Same Tree LeetCode Solution54818Subarray Sum Equals k52189Remove Nth Node From End of List Leetcode Solution461510Maximum Length of a Concatenated String with Unique Characters Leetcode Solution400611Convert a normal BST to Balanced BST381612Sliding Window Maximum LeetCode Solution376013Maximum Sum of Non Consecutive Elements333514Smallest Multiple of a Given Number330515Isomorphic Strings LeetCode Solution297516Find the point where a monotonically increasing function becomes positive first time284417Check whether a given Binary Tree is Complete or not276718Check if a queue can be sorted into another queue using a stack257219Convert a String that is Repetition of a Substring of Length K2411