Citadel Interview Experience

Top citadel interview questions

S.NoInterview QuestionNumber of times candidates experienced this question in interviews
1First Repeating Element14662
2Find the Maximum Repeating Number in Array9656
3Best Time to Buy and Sell Stock LeetCode Solution7404
4A Product Array Puzzle6967
5Asteroid Collision LeetCode Solution6588
6Group Anagrams LeetCode Solution6514
7Product of Array Except Self LeetCode Solution6189
8Coin Change 2 Leetcode Solution5407
9Trapping Rain Water Leetcode Solution5320
10Word Ladder LeetCode Solution5313
11Maximum Product of Three Numbers LeetCode Solution4900
12Printing brackets in Matrix Chain Multiplication Problem4896
13Insert Delete GetRandom O(1) Leetcode Solution4875
14Time Based Key-Value Store LeetCode Solution4710
15Find Triplet in Array With a Given Sum4576
16Construct Binary Tree from Given Inorder and Preorder Traversals4554
17Pairs of Songs With Total Durations Divisible by 60 LeetCode Solution4140
18Count of index pairs with equal elements in an array4092
19Three way partitioning of an array around a given range4089
20Length of Longest valid Substring4058
21Minimum operation to make all elements equal in array3765
22Count of Triplets With Sum Less than Given Value3677
23Check if a given array contains duplicate elements within k distance from each other3641
24Ugly Number II LeetCode Solution3633
25Longest subarray not having more than K distinct elements3573
26LRU Cache Implementation3547
27Kth Smallest Element in a BST Leetcode Solution3530
28Integer Break LeetCode Solution3499
29Difference between highest and least frequencies in an array3495
30Priority Queue using doubly linked list3426
Translate ยป