Citadel Interview ExperienceTop citadel interview questionsS.NoInterview QuestionNumber of times candidates experienced this question in interviews1First Repeating Element148112Find the Maximum Repeating Number in Array97323Best Time to Buy and Sell Stock LeetCode Solution76174A Product Array Puzzle72485Asteroid Collision LeetCode Solution66766Group Anagrams LeetCode Solution66537Product of Array Except Self LeetCode Solution62768Coin Change 2 Leetcode Solution55019Trapping Rain Water Leetcode Solution547910Word Ladder LeetCode Solution543011Maximum Product of Three Numbers LeetCode Solution502012Insert Delete GetRandom O(1) Leetcode Solution497713Printing brackets in Matrix Chain Multiplication Problem496314Time Based Key-Value Store LeetCode Solution477115Construct Binary Tree from Given Inorder and Preorder Traversals469416Find Triplet in Array With a Given Sum465017Pairs of Songs With Total Durations Divisible by 60 LeetCode Solution423318Three way partitioning of an array around a given range419319Count of index pairs with equal elements in an array415720Length of Longest valid Substring414421Minimum operation to make all elements equal in array382322Count of Triplets With Sum Less than Given Value374123Check if a given array contains duplicate elements within k distance from each other370224Ugly Number II LeetCode Solution368925Longest subarray not having more than K distinct elements362526LRU Cache Implementation361927Kth Smallest Element in a BST Leetcode Solution361428Difference between highest and least frequencies in an array356329Integer Break LeetCode Solution355630LRU Cache Leetcode Solution3494