Practice problems across 75+ categories
Practice coding problems across all companies and topics • 3600 problems | 879 Easy | 1856 Medium | 842 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 841 | Design an Ordered Stream | Easy | ArrayHash TableDesign |
| 842 | Design Authentication Manager | Medium | Hash TableLinked ListDesign |
| 843 | Design Bitset | Medium | ArrayHash TableString |
| 844 | Design Bounded Blocking Queue | Medium | Concurrency |
| 845 | Design Browser History | Medium | ArrayLinked ListStack |
| 846 | Design Cancellable Function | Hard | JavaScript |
| 847 | Design Circular Deque | Medium | ArrayLinked ListDesign |
| 848 | Design Circular Queue | Medium | ArrayLinked ListDesign |
| 849 | Design Compressed String Iterator | Easy | ArrayStringDesign |
| 850 | Design Excel Sum Formula | Unknown | ArrayHash TableString |
| 851 | Design File System | Medium | Hash TableStringDesign |
| 852 | Design Front Middle Back Queue | Medium | ArrayLinked ListDesign |
| 853 | Design Graph With Shortest Path Calculator | Hard | GraphDesignHeap (Priority Queue) |
| 854 | Design HashMap | Easy | ArrayHash TableLinked List |
| 855 | Design HashSet | Easy | ArrayHash TableLinked List |
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