American Express Interview ExperienceTop american-express interview questionsS.NoInterview QuestionNumber of times candidates experienced this question in interviews1Valid Anagram Leetcode Solution82472Group Anagrams LeetCode Solution66713Product of Array Except Self LeetCode Solution62814Reducing Dishes LeetCode Solution61415Implementation of Deque using Doubly Linked List57996Subarray with Given Sum54047Same Tree LeetCode Solution52488Subarray Sum Equals k48789Remove Nth Node From End of List Leetcode Solution432810Maximum Length of a Concatenated String with Unique Characters Leetcode Solution378011Convert a normal BST to Balanced BST357712Sliding Window Maximum LeetCode Solution343213Maximum Sum of Non Consecutive Elements311714Smallest Multiple of a Given Number305515Isomorphic Strings LeetCode Solution271416Find the point where a monotonically increasing function becomes positive first time259717Check whether a given Binary Tree is Complete or not253418Check if a queue can be sorted into another queue using a stack240919Convert a String that is Repetition of a Substring of Length K2188