Practice problems across 75+ categories
Practice coding problems across all companies and topics • 3600 problems | 879 Easy | 1856 Medium | 842 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 3136 | Simplify Path | Medium | StringStack |
| 3137 | Single Element in a Sorted Array | Medium | ArrayBinary Search |
| 3138 | Single Number | Easy | ArrayBit Manipulation |
| 3139 | Single Number II | Medium | ArrayBit Manipulation |
| 3140 | Single Number III | Medium | ArrayBit Manipulation |
| 3141 | Single-Row Keyboard | Easy | Hash TableString |
| 3142 | Single-Threaded CPU | Medium | ArraySortingHeap (Priority Queue) |
| 3143 | Sleep | Easy | JavaScript |
| 3144 | Sliding Puzzle | Hard | ArrayDynamic ProgrammingBacktracking |
| 3145 | Sliding Subarray Beauty | Medium | ArrayHash TableSliding Window |
| 3146 | Sliding Window Maximum | Hard | ArrayQueueSliding Window |
| 3147 | Sliding Window Median | Hard | ArrayHash TableSliding Window |
| 3148 | Slowest Key | Easy | ArrayString |
| 3149 | Smallest Common Region | Medium | ArrayHash TableString |
| 3150 | Smallest Divisible Digit Product I | Easy | MathEnumeration |
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