Practice problems across 75+ categories
Practice coding problems across all companies and topics • 3600 problems | 879 Easy | 1856 Medium | 842 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 705 | Design HashSet | Easy | ArrayHash TableLinked List |
| 706 | Design HashMap | Easy | ArrayHash TableLinked List |
| 708 | Insert into a Sorted Circular Linked List | Medium | Linked List |
| 708 | Number of Distinct Islands II | Hard | Hash TableDepth-First SearchBreadth-First Search |
| 709 | To Lower Case | Easy | String |
| 710 | Random Pick with Blacklist | Hard | ArrayHash TableMath |
| 712 | Minimum ASCII Delete Sum for Two Strings | Medium | StringDynamic Programming |
| 713 | Subarray Product Less Than K | Medium | ArrayBinary SearchSliding Window |
| 714 | Best Time to Buy and Sell Stock with Transaction Fee | Medium | ArrayDynamic ProgrammingGreedy |
| 715 | Range Module | Hard | DesignSegment TreeOrdered Set |
| 716 | Max Stack | Hard | Linked ListStackDesign |
| 717 | 1-bit and 2-bit Characters | Easy | Array |
| 718 | Accounts Merge | Medium | StackSegment Tree |
| 718 | Maximum Length of Repeated Subarray | Medium | ArrayBinary SearchDynamic Programming |
| 719 | Find K-th Smallest Pair Distance | Hard | ArrayTwo PointersBinary Search |
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