Practice problems across 75+ categories
Practice problems frequently asked at Hash Table • 719 problems | 168 Easy | 418 Medium | 127 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 286 | Fraction to Recurring Decimal | Medium | Hash TableMathString |
| 287 | Frequency Tracker | Medium | Hash TableDesign |
| 288 | Fruit Into Baskets | Medium | ArrayHash TableSliding Window |
| 289 | Get Watched Videos by Your Friends | Medium | ArrayHash TableBreadth-First Search |
| 290 | Greatest English Letter in Upper and Lower Case | Easy | Hash TableStringEnumeration |
| 291 | Grid Illumination | Hard | ArrayHash Table |
| 292 | Grid Teleportation Traversal | Medium | ArrayHash TableBreadth-First Search |
| 293 | Group Anagrams | Medium | ArrayHash TableString |
| 294 | Group Shifted Strings | Medium | ArrayHash TableString |
| 295 | Group the People Given the Group Size They Belong To | Medium | ArrayHash TableGreedy |
| 296 | Groups of Special-Equivalent Strings | Medium | ArrayHash TableString |
| 297 | Hand of Straights | Medium | ArrayHash TableGreedy |
| 298 | Happy Number | Easy | Hash TableMathTwo Pointers |
| 299 | High-Access Employees | Medium | ArrayHash TableString |
| 300 | High Five | Easy | ArrayHash TableSorting |
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