Citadel Interview ExperienceTop citadel interview questionsS.NoInterview QuestionNumber of times candidates experienced this question in interviews1First Repeating Element149922Find the Maximum Repeating Number in Array98313Best Time to Buy and Sell Stock LeetCode Solution78964A Product Array Puzzle74865Asteroid Collision LeetCode Solution68336Group Anagrams LeetCode Solution67827Product of Array Except Self LeetCode Solution63468Trapping Rain Water Leetcode Solution56319Coin Change 2 Leetcode Solution557610Word Ladder LeetCode Solution557311Maximum Product of Three Numbers LeetCode Solution514512Insert Delete GetRandom O(1) Leetcode Solution512913Printing brackets in Matrix Chain Multiplication Problem505714Construct Binary Tree from Given Inorder and Preorder Traversals486015Time Based Key-Value Store LeetCode Solution485316Find Triplet in Array With a Given Sum474717Pairs of Songs With Total Durations Divisible by 60 LeetCode Solution435018Three way partitioning of an array around a given range428719Count of index pairs with equal elements in an array422620Length of Longest valid Substring421421Minimum operation to make all elements equal in array388222Count of Triplets With Sum Less than Given Value379423Check if a given array contains duplicate elements within k distance from each other377624Ugly Number II LeetCode Solution376825LRU Cache Implementation369626Kth Smallest Element in a BST Leetcode Solution369127Longest subarray not having more than K distinct elements367528Difference between highest and least frequencies in an array363029Integer Break LeetCode Solution361430LRU Cache Leetcode Solution3586