DE Shaw
107 problems
| Problem | Difficulty | Frequency ↓ | Topics |
|---|---|---|---|
| 2558. Take Gifts From the Richest Pile | Easy | 68.8% | TopicsArrayHeap (Priority Queue)Simulation |
| 2644. Find the Maximum Divisibility Score | Easy | 68.8% | TopicsArray |
| 1679. Max Number of K-Sum Pairs | Medium | 68.8% | TopicsArrayHash TableTwo PointersSorting |
| 2800. Shortest String That Contains Three Strings | Medium | 68.8% | TopicsStringGreedyEnumeration |
| 1927. Sum Game | Medium | 68.8% | TopicsMathStringGreedyGame Theory |
| 767. Reorganize String | Medium | 68.8% | TopicsHash TableStringGreedySortingHeap (Priority Queue)Counting |
| 4002. Count Valid Sequences | Medium | 68.8% | TopicsMathCombinatorics |
| 871. Minimum Number of Refueling Stops | Hard | 62.3% | TopicsArrayDynamic ProgrammingGreedyHeap (Priority Queue) |
| Count Binary Substrings | Easy | 62.3% | TopicsTwo PointersString |
| 1642. Furthest Building You Can Reach | Medium | 62.3% | TopicsArrayGreedyHeap (Priority Queue) |
| 42. Trapping Rain Water | Hard | 58.3% | TopicsArrayTwo PointersDynamic ProgrammingStackMonotonic Stack |
| 152. Maximum Product Subarray | Medium | 58.3% | TopicsArrayDynamic Programming |
| Insert Delete GetRandom O(1) | Medium | 58.3% | TopicsArrayHash TableMathDesignRandomized |
| Kth Smallest Number in Multiplication Table | Hard | 58.3% | TopicsMathBinary Search |
| Asteroid Collision | Medium | 58.3% | TopicsArrayStackSimulation |
| 424. Longest Repeating Character Replacement | Medium | 58.3% | TopicsHash TableStringSliding Window |
| 4. Median of Two Sorted Arrays | Hard | 53.3% | TopicsArrayBinary SearchDivide and Conquer |
| 20. Valid Parentheses | Easy | 53.3% | TopicsStringStackBracket Sequences |
| Heaters | Medium | 53.3% | TopicsArrayTwo PointersBinary SearchSorting |
| 779. K-th Symbol in Grammar | Medium | 53.3% | TopicsMathBit ManipulationRecursion |
| 2434. Using a Robot to Print the Lexicographically Smallest String | Medium | 53.3% | TopicsHash TableStringStackGreedy |
| K-th Smallest in Lexicographical Order | Hard | 46.9% | TopicsTrie |
| 169. Majority Element | Easy | 46.9% | TopicsArrayHash TableDivide and ConquerSortingCountingBoyer–Moore Majority Vote Algorithm |
| Split Array Largest Sum | Hard | 46.9% | TopicsArrayBinary SearchDynamic ProgrammingGreedyPrefix Sum |
| 829. Consecutive Numbers Sum | Hard | 46.9% | TopicsMathEnumeration |
