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Contains previous problem statements given by various recruitors during their selection process.

1st Jan, 0001

Citadel

IDQuestions
11Container With Most Water
12Integer to Roman
37Sudoku Solver
42Trapping Rain Water
44Wildcard Matching
46Permutations
48Rotate Image
51N-Queens
79Word Search
98Validate Binary Search Tree
121Best Time to Buy and Sell Stock
122Best Time to Buy and Sell Stock II
123Best Time to Buy and Sell Stock III
124Binary Tree Maximum Path Sum
127Word Ladder
146LRU Cache
150Evaluate Reverse Polish Notation
188Best Time to Buy and Sell Stock IV
198House Robber
200Number of Islands
207Course Schedule
209Minimum Size Subarray Sum
239Sliding Window Maximum
2593Sum Smaller
287Find the Duplicate Number
295Find Median from Data Stream
297Serialize and Deserialize Binary Tree
310Minimum Height Trees
370Range Addition
380Insert Delete GetRandom O(1)
460LFU Cache
490The Maze
560Subarray Sum Equals K
588Design In-Memory File System
688Knight Probability in Chessboard
718Maximum Length of Repeated Subarray
735Asteroid Collision
740Delete and Earn
798Transform to Chessboard
856Consecutive Numbers Sum
865Robot Room Cleaner
898Transpose Matrix
946Smallest Range II
1016Subarray Sums Divisible by K
1023Time Based Key-Value Store
1055Pairs of Songs With Total Durations Divisible by 60
1142Minimum Knight Moves
1638Best Position for a Service Centre
2500Minimum Costs Using the Train Line
2562Count Ways To Build Good Strings
2672Number of Good Binary Strings
2685First Completely Painted Row or Column
2869Longest Non-decreasing Subarray From Two Arrays
3171Minimum Equal Sum of Two Arrays After Replacing Zeros