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Interview question tracker

DE Shaw Coding Interview Questions — All time

Practice 125 coding questions from DE Shaw company-tagged LeetCode lists across all available reporting periods. Explore reported interview questions and track your progress.

Company-wide data from Fahad7177-jeh/leetcode-company-wise-questions; see its AGPL-3.0 license. All-time questions also use dataengineervishal/leetcode-companywise-questions (MIT license).

Reporting periods reflect source data, not verified interview dates. Questions can recur; inclusion does not guarantee they will appear in your interview.

Updated weekly · Latest source check: 15 Oct 2026ⓘLatest successful check of the sources used by this company. A check does not necessarily mean the questions changed.

One question at a time.

Top questions 125

Done	Question	LeetCode
Mark Binary Tree Cameras completed	Binary Tree Cameras	Solve
Mark Find Minimum Cost to Remove Array Elements completed	Find Minimum Cost to Remove Array Elements	Solve
Mark Minimum Size Subarray in Infinite Array completed	Minimum Size Subarray in Infinite Array	Solve
Mark Count the Number of Incremovable Subarrays II completed	Count the Number of Incremovable Subarrays II	Solve
Mark Determine the Winner of a Bowling Game completed	Determine the Winner of a Bowling Game	Solve
Mark Equal Row and Column Pairs completed	Equal Row and Column Pairs	Solve
Mark Find Peak Calling Hours for Each City completed	Find Peak Calling Hours for Each City	Solve
Mark Find the Maximum Divisibility Score completed	Find the Maximum Divisibility Score	Solve
Mark Find the Sum of the Power of All Subsequences completed	Find the Sum of the Power of All Subsequences	Solve
Mark Greatest Sum Divisible by Three completed	Greatest Sum Divisible by Three	Solve
Mark Letter Combinations of a Phone Number completed	Letter Combinations of a Phone Number	Solve
Mark Max Number of K-Sum Pairs completed	Max Number of K-Sum Pairs	Solve
Mark Maximum Deletions on a String completed	Maximum Deletions on a String	Solve
Mark Maximum Number of Subsequences After One Inserting completed	Maximum Number of Subsequences After One Inserting	Solve
Mark Maximum Points After Collecting Coins From All Nodes completed	Maximum Points After Collecting Coins From All Nodes	Solve
Mark Maximum Points Tourist Can Earn completed	Maximum Points Tourist Can Earn	Solve
Mark Maximum Strength of K Disjoint Subarrays completed	Maximum Strength of K Disjoint Subarrays	Solve
Mark Maximum Subsequence Score completed	Maximum Subsequence Score	Solve
Mark Median of a Row Wise Sorted Matrix completed	Median of a Row Wise Sorted Matrix	Solve
Mark Minimize Connected Groups by Inserting Interval completed	Minimize Connected Groups by Inserting Interval	Solve
Mark Minimum Cost Walk in Weighted Graph completed	Minimum Cost Walk in Weighted Graph	Solve
Mark Minimum Deletions to Make String K-Special completed	Minimum Deletions to Make String K-Special	Solve
Mark Minimum Number of Taps to Open to Water a Garden completed	Minimum Number of Taps to Open to Water a Garden	Solve
Mark Minimum Runes to Add to Cast Spell completed	Minimum Runes to Add to Cast Spell	Solve
Mark Number of Subarrays With AND Value of K completed	Number of Subarrays With AND Value of K	Solve
Mark Number of Substrings Containing All Three Characters completed	Number of Substrings Containing All Three Characters	Solve
Mark Query Kth Smallest Trimmed Number completed	Query Kth Smallest Trimmed Number	Solve
Mark Relative Sort Array completed	Relative Sort Array	Solve
Mark Removing Minimum Number of Magic Beans completed	Removing Minimum Number of Magic Beans	Solve
Mark Shortest String That Contains Three Strings completed	Shortest String That Contains Three Strings	Solve
Mark Sum Game completed	Sum Game	Solve
Mark Take Gifts From the Richest Pile completed	Take Gifts From the Richest Pile	Solve
Mark Best Time to Buy and Sell Stock completed	Best Time to Buy and Sell Stock	Solve
Mark K-th Smallest in Lexicographical Order completed	K-th Smallest in Lexicographical Order	Solve
Mark Longest Consecutive Sequence completed	Longest Consecutive Sequence	Solve
Mark Majority Element completed	Majority Element	Solve
Mark Maximum Product Subarray completed	Maximum Product Subarray	Solve
Mark Minimum Number of Refueling Stops completed	Minimum Number of Refueling Stops	Solve
Mark Painting the Walls completed	Painting the Walls	Solve
Mark Sliding Window Maximum completed	Sliding Window Maximum	Solve
Mark Trapping Rain Water completed	Trapping Rain Water	Solve
Mark Using a Robot to Print the Lexicographically Smallest String completed	Using a Robot to Print the Lexicographically Smallest String	Solve
Mark Valid Parentheses completed	Valid Parentheses	Solve
Mark Average Waiting Time completed	Average Waiting Time	Solve
Mark Basic Calculator II completed	Basic Calculator II	Solve
Mark Best Time to Buy and Sell Stock II completed	Best Time to Buy and Sell Stock II	Solve
Mark Coin Change II completed	Coin Change II	Solve
Mark Consecutive Numbers Sum completed	Consecutive Numbers Sum	Solve
Mark Excel Sheet Column Title completed	Excel Sheet Column Title	Solve
Mark Find the Smallest Divisor Given a Threshold completed	Find the Smallest Divisor Given a Threshold	Solve
Mark Find Triangular Sum of an Array completed	Find Triangular Sum of an Array	Solve
Mark Furthest Building You Can Reach completed	Furthest Building You Can Reach	Solve
Mark Heaters completed	Heaters	Solve
Mark House Robber completed	House Robber	Solve
Mark Implement Rand10() Using Rand7() completed	Implement Rand10() Using Rand7()	Solve
Mark Insert Delete GetRandom O(1) completed	Insert Delete GetRandom O(1)	Solve
Mark Jump Game II completed	Jump Game II	Solve
Mark Koko Eating Bananas completed	Koko Eating Bananas	Solve
Mark Kth Smallest Number in Multiplication Table completed	Kth Smallest Number in Multiplication Table	Solve
Mark Largest Rectangle in Histogram completed	Largest Rectangle in Histogram	Solve
Mark Longest String Chain completed	Longest String Chain	Solve
Mark Maximal Square completed	Maximal Square	Solve
Mark Maximize Score of Numbers in Ranges completed	Maximize Score of Numbers in Ranges	Solve
Mark Maximum Performance of a Team completed	Maximum Performance of a Team	Solve
Mark Minimum Cost to Merge Stones completed	Minimum Cost to Merge Stones	Solve
Mark Minimum Number of Pushes to Type Word II completed	Minimum Number of Pushes to Type Word II	Solve
Mark Number of Islands completed	Number of Islands	Solve
Mark Open the Lock completed	Open the Lock	Solve
Mark Put Marbles in Bags completed	Put Marbles in Bags	Solve
Mark Rotting Oranges completed	Rotting Oranges	Solve
Mark Shortest Subarray to be Removed to Make Array Sorted completed	Shortest Subarray to be Removed to Make Array Sorted	Solve
Mark Sum of Subarray Ranges completed	Sum of Subarray Ranges	Solve
Mark Swim in Rising Water completed	Swim in Rising Water	Solve
Mark Unique Paths completed	Unique Paths	Solve
Mark 4Sum completed	4Sum	Solve
Mark Asteroid Collision completed	Asteroid Collision	Solve
Mark Basic Calculator completed	Basic Calculator	Solve
Mark Best Time to Buy and Sell Stock IV completed	Best Time to Buy and Sell Stock IV	Solve
Mark Candy completed	Candy	Solve
Mark Cheapest Flights Within K Stops completed	Cheapest Flights Within K Stops	Solve
Mark Combination Sum completed	Combination Sum	Solve
Mark Contains Duplicate completed	Contains Duplicate	Solve
Mark Copy List with Random Pointer completed	Copy List with Random Pointer	Solve
Mark Count Binary Substrings completed	Count Binary Substrings	Solve
Mark Decode Ways completed	Decode Ways	Solve
Mark Design A Leaderboard completed	Design A Leaderboard	Solve
Mark Find First and Last Position of Element in Sorted Array completed	Find First and Last Position of Element in Sorted Array	Solve
Mark Find the Duplicate Number completed	Find the Duplicate Number	Solve
Mark Find the Shortest Superstring completed	Find the Shortest Superstring	Solve
Mark Flatten Nested List Iterator completed	Flatten Nested List Iterator	Solve
Mark Generate Parentheses completed	Generate Parentheses	Solve
Mark K-th Symbol in Grammar completed	K-th Symbol in Grammar	Solve
Mark Knight Dialer completed	Knight Dialer	Solve
Mark Linked List Cycle completed	Linked List Cycle	Solve
Mark Longest Substring Without Repeating Characters completed	Longest Substring Without Repeating Characters	Solve
Mark Longest Valid Parentheses completed	Longest Valid Parentheses	Solve
Mark Loud and Rich completed	Loud and Rich	Solve
Mark LRU Cache completed	LRU Cache	Solve
Mark Max Sum of Rectangle No Larger Than K completed	Max Sum of Rectangle No Larger Than K	Solve
Mark Maximal Rectangle completed	Maximal Rectangle	Solve
Mark Maximum Number of Points with Cost completed	Maximum Number of Points with Cost	Solve
Mark Maximum OR completed	Maximum OR	Solve
Mark Maximum Points You Can Obtain from Cards completed	Maximum Points You Can Obtain from Cards	Solve
Mark Maximum Side Length of a Square with Sum Less than or Equal to Threshold completed	Maximum Side Length of a Square with Sum Less than or Equal to Threshold	Solve
Mark Maximum Subarray completed	Maximum Subarray	Solve
Mark Maximum Width Ramp completed	Maximum Width Ramp	Solve
Mark Median of Two Sorted Arrays completed	Median of Two Sorted Arrays	Solve
Mark Minimum Cost to Make at Least One Valid Path in a Grid completed	Minimum Cost to Make at Least One Valid Path in a Grid	Solve
Mark Minimum Number of Visited Cells in a Grid completed	Minimum Number of Visited Cells in a Grid	Solve
Mark Minimum Size Subarray Sum completed	Minimum Size Subarray Sum	Solve
Mark N-Queens completed	N-Queens	Solve
Mark Next Permutation completed	Next Permutation	Solve
Mark Number of Ways to Reorder Array to Get Same BST completed	Number of Ways to Reorder Array to Get Same BST	Solve
Mark Number of Ways to Select Buildings completed	Number of Ways to Select Buildings	Solve
Mark Number of Ways to Wear Different Hats to Each Other completed	Number of Ways to Wear Different Hats to Each Other	Solve
Mark Peak Index in a Mountain Array completed	Peak Index in a Mountain Array	Solve
Mark Remove Max Number of Edges to Keep Graph Fully Traversable completed	Remove Max Number of Edges to Keep Graph Fully Traversable	Solve
Mark Reorganize String completed	Reorganize String	Solve
Mark Split Array Largest Sum completed	Split Array Largest Sum	Solve
Mark Sum of Subarray Minimums completed	Sum of Subarray Minimums	Solve
Mark Task Scheduler completed	Task Scheduler	Solve
Mark Text Justification completed	Text Justification	Solve
Mark Validate Binary Search Tree completed	Validate Binary Search Tree	Solve
Mark Wildcard Matching completed	Wildcard Matching	Solve
Mark Word Search II completed	Word Search II	Solve