Practice problems across 75+ categories
Practice coding problems across all companies and topics • 3600 problems | 879 Easy | 1856 Medium | 842 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 3301 | Subdomain Visit Count | Medium | ArrayHash TableString |
| 3302 | Subrectangle Queries | Medium | ArrayDesignMatrix |
| 3303 | Subsequence of Size K With the Largest Even Sum | Medium | ArrayGreedySorting |
| 3304 | Subsequence With the Minimum Score | Hard | Two PointersStringBinary Search |
| 3305 | Subsequences with a Unique Middle Mode I | Hard | ArrayHash TableMath |
| 3306 | Subsequences with a Unique Middle Mode II | Hard | ArrayHash TableMath |
| 3307 | Subsets | Medium | ArrayBacktrackingBit Manipulation |
| 3308 | Subsets II | Medium | ArrayBacktrackingBit Manipulation |
| 3309 | Substring Matching Pattern | Easy | StringString Matching |
| 3310 | Substring with Concatenation of All Words | Hard | Hash TableStringSliding Window |
| 3311 | Substring With Largest Variance | Hard | ArrayDynamic Programming |
| 3312 | Substring XOR Queries | Medium | ArrayHash TableString |
| 3313 | Substrings of Size Three with Distinct Characters | Easy | Hash TableStringSliding Window |
| 3314 | Substrings That Begin and End With the Same Letter | Medium | Hash TableMathString |
| 3315 | Subtract the Product and Sum of Digits of an Integer | Easy | Math |
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