Hudson River Trading
16 problems
| Problem | Difficulty | Frequency ↓ | Topics |
|---|---|---|---|
| 1566. Detect Pattern of Length M Repeated K or More Times | Easy | 100% | TopicsArrayEnumeration |
| 1317. Convert Integer to the Sum of Two No-Zero Integers | Easy | 100% | TopicsMath |
| 3225. Maximum Score From Grid Operations | Hard | 100% | TopicsArrayDynamic ProgrammingMatrixPrefix Sum |
| 2275. Largest Combination With Bitwise AND Greater Than Zero | Medium | 100% | TopicsArrayHash TableBit ManipulationCounting |
| 2508. Add Edges to Make Degrees of All Nodes Even | Hard | 97.1% | TopicsHash TableGraph Theory |
| 2246. Longest Path With Different Adjacent Characters | Hard | 97.1% | TopicsArrayStringTreeDepth-First SearchGraph TheoryTopological Sort |
| 2285. Maximum Total Importance of Roads | Medium | 97.1% | TopicsGreedyGraph TheorySortingHeap (Priority Queue) |
| 1342. Number of Steps to Reduce a Number to Zero | Easy | 97.1% | TopicsMathBit Manipulation |
| 1323. Maximum 69 Number | Easy | 97.1% | TopicsMathGreedy |
| 2772. Apply Operations to Make All Array Elements Equal to Zero | Medium | 97.1% | TopicsArrayPrefix Sum |
| 2257. Count Unguarded Cells in the Grid | Medium | 97.1% | TopicsArrayMatrixSimulation |
| 3161. Block Placement Queries | Hard | 72.6% | TopicsArrayBinary SearchBinary Indexed TreeSegment TreeOrdered Set |
| 14. Longest Common Prefix | Easy | 62.5% | TopicsArrayStringTrie |
| Text Justification | Hard | 62.5% | TopicsArrayStringSimulation |
| 2502. Design Memory Allocator | Medium | 62.5% | TopicsArrayHash TableDesignSimulation |
| Shortest Word Distance | Easy | 62.5% | TopicsArrayString |
