American Express Interview ExperienceTop american-express interview questionsS.NoInterview QuestionNumber of times candidates experienced this question in interviews1Valid Anagram Leetcode Solution82832Group Anagrams LeetCode Solution67033Product of Array Except Self LeetCode Solution63024Reducing Dishes LeetCode Solution61595Implementation of Deque using Doubly Linked List58236Subarray with Given Sum54257Same Tree LeetCode Solution52718Subarray Sum Equals k48999Remove Nth Node From End of List Leetcode Solution435110Maximum Length of a Concatenated String with Unique Characters Leetcode Solution379811Convert a normal BST to Balanced BST359412Sliding Window Maximum LeetCode Solution345213Maximum Sum of Non Consecutive Elements313014Smallest Multiple of a Given Number306715Isomorphic Strings LeetCode Solution272716Find the point where a monotonically increasing function becomes positive first time260917Check whether a given Binary Tree is Complete or not254818Check if a queue can be sorted into another queue using a stack242519Convert a String that is Repetition of a Substring of Length K2197