Practice problems across 75+ categories
Practice problems frequently asked at Microsoft • 3344 problems | 831 Easy | 1747 Medium | 746 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 3046 | Subarrays Distinct Element Sum of Squares I | Easy | ArrayHash Table |
| 3047 | Subarrays Distinct Element Sum of Squares II | Hard | ArrayDynamic ProgrammingBinary Indexed Tree |
| 3048 | Subarrays with K Different Integers | Hard | ArrayHash TableSliding Window |
| 3049 | Subdomain Visit Count | Medium | ArrayHash TableString |
| 3050 | Subrectangle Queries | Medium | ArrayDesignMatrix |
| 3051 | Subsequence of Size K With the Largest Even Sum | Medium | ArrayGreedySorting |
| 3052 | Subsequence With the Minimum Score | Hard | Two PointersStringBinary Search |
| 3053 | Subsequences with a Unique Middle Mode I | Hard | ArrayHash TableMath |
| 3054 | Subsequences with a Unique Middle Mode II | Hard | ArrayHash TableMath |
| 3055 | Subsets | Medium | ArrayBacktrackingBit Manipulation |
| 3056 | Subsets II | Medium | ArrayBacktrackingBit Manipulation |
| 3057 | Substring Matching Pattern | Easy | StringString Matching |
| 3058 | Substring with Concatenation of All Words | Hard | Hash TableStringSliding Window |
| 3059 | Substring With Largest Variance | Hard | ArrayDynamic Programming |
| 3060 | Substring XOR Queries | Medium | ArrayHash TableString |
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