American Express Interview ExperienceTop american-express interview questionsS.NoInterview QuestionNumber of times candidates experienced this question in interviews1Valid Anagram Leetcode Solution88642Group Anagrams LeetCode Solution72443Product of Array Except Self LeetCode Solution66454Reducing Dishes LeetCode Solution64785Implementation of Deque using Doubly Linked List62696Subarray with Given Sum58677Same Tree LeetCode Solution55768Subarray Sum Equals k53779Remove Nth Node From End of List Leetcode Solution469610Maximum Length of a Concatenated String with Unique Characters Leetcode Solution411111Convert a normal BST to Balanced BST390112Sliding Window Maximum LeetCode Solution386113Maximum Sum of Non Consecutive Elements342714Smallest Multiple of a Given Number340115Isomorphic Strings LeetCode Solution309316Find the point where a monotonically increasing function becomes positive first time295017Check whether a given Binary Tree is Complete or not287518Check if a queue can be sorted into another queue using a stack265219Convert a String that is Repetition of a Substring of Length K2501