Practice problems across 75+ categories
Practice problems frequently asked at Hash Table • 719 problems | 168 Easy | 418 Medium | 127 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 151 | Design a File Sharing System | Medium | Hash TableDesignSorting |
| 152 | Design a Food Rating System | Medium | ArrayHash TableString |
| 153 | Design A Leaderboard | Medium | Hash TableDesignSorting |
| 154 | Design a Number Container System | Medium | Hash TableDesignHeap (Priority Queue) |
| 155 | Design a Todo List | Medium | ArrayHash TableString |
| 156 | Design an Array Statistics Tracker | Hard | Hash TableBinary SearchDesign |
| 157 | Design an Ordered Stream | Easy | ArrayHash TableDesign |
| 158 | Design Authentication Manager | Medium | Hash TableLinked ListDesign |
| 159 | Design Bitset | Medium | ArrayHash TableString |
| 160 | Design Excel Sum Formula | Unknown | ArrayHash TableString |
| 161 | Design File System | Medium | Hash TableStringDesign |
| 162 | Design HashMap | Easy | ArrayHash TableLinked List |
| 163 | Design HashSet | Easy | ArrayHash TableLinked List |
| 164 | Design In-Memory File System | Hard | Hash TableStringDesign |
| 165 | Design Log Storage System | Medium | Hash TableStringDesign |
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