Citadel Interview ExperienceTop citadel interview questionsS.NoInterview QuestionNumber of times candidates experienced this question in interviews1First Repeating Element151152Find the Maximum Repeating Number in Array99183Best Time to Buy and Sell Stock LeetCode Solution80834A Product Array Puzzle77085Asteroid Collision LeetCode Solution69456Group Anagrams LeetCode Solution69287Product of Array Except Self LeetCode Solution64158Trapping Rain Water Leetcode Solution57489Word Ladder LeetCode Solution567410Coin Change 2 Leetcode Solution565011Maximum Product of Three Numbers LeetCode Solution525012Insert Delete GetRandom O(1) Leetcode Solution523413Printing brackets in Matrix Chain Multiplication Problem514214Construct Binary Tree from Given Inorder and Preorder Traversals495415Time Based Key-Value Store LeetCode Solution493816Find Triplet in Array With a Given Sum483517Pairs of Songs With Total Durations Divisible by 60 LeetCode Solution444618Three way partitioning of an array around a given range439819Count of index pairs with equal elements in an array430720Length of Longest valid Substring428821Minimum operation to make all elements equal in array395622Count of Triplets With Sum Less than Given Value388423Check if a given array contains duplicate elements within k distance from each other385124Ugly Number II LeetCode Solution384025LRU Cache Implementation378226Kth Smallest Element in a BST Leetcode Solution376327Longest subarray not having more than K distinct elements376028Priority Queue using doubly linked list372129Difference between highest and least frequencies in an array371430LRU Cache Leetcode Solution3679