Practice problems across 75+ categories
Practice coding problems across all companies and topics • 3600 problems | 879 Easy | 1856 Medium | 842 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 3376 | Swap Adjacent in LR String | Medium | Two PointersString |
| 3377 | Swap For Longest Repeated Character Substring | Medium | Hash TableStringSliding Window |
| 3378 | Swap Nodes in Pairs | Medium | Linked ListRecursion |
| 3379 | Swap Sex of Employees | Unknown | Database |
| 3380 | Swapping Nodes in a Linked List | Medium | Linked ListTwo Pointers |
| 3381 | Swim in Rising Water | Hard | ArrayBinary SearchDepth-First Search |
| 3382 | Symmetric Coordinates | Medium | Database |
| 3383 | Symmetric Tree | Easy | TreeDepth-First SearchBreadth-First Search |
| 3384 | Synonymous Sentences | Medium | ArrayHash TableString |
| 3385 | Tag Validator | Hard | StringStack |
| 3386 | Take Gifts From the Richest Pile | Easy | ArrayHeap (Priority Queue)Simulation |
| 3387 | Take K of Each Character From Left and Right | Medium | Hash TableStringSliding Window |
| 3388 | Taking Maximum Energy From the Mystic Dungeon | Medium | ArrayPrefix Sum |
| 3389 | Tallest Billboard | Hard | ArrayDynamic Programming |
| 3390 | Target Sum | Medium | ArrayDynamic ProgrammingBacktracking |
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