Practice problems across 75+ categories
Practice problems frequently asked at Microsoft • 3344 problems | 831 Easy | 1747 Medium | 746 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 391 | Construct String With Repeat Limit | Medium | Hash TableStringGreedy |
| 392 | Construct Target Array With Multiple Sums | Hard | ArrayHeap (Priority Queue) |
| 393 | Construct the Lexicographically Largest Valid Sequence | Medium | ArrayBacktracking |
| 394 | Construct the Longest New String | Medium | MathDynamic ProgrammingGreedy |
| 395 | Construct the Minimum Bitwise Array I | Easy | ArrayBit Manipulation |
| 396 | Construct the Minimum Bitwise Array II | Medium | ArrayBit Manipulation |
| 397 | Constructing Two Increasing Arrays | Hard | ArrayDynamic Programming |
| 398 | Contain Virus | Hard | ArrayDepth-First SearchBreadth-First Search |
| 399 | Container With Most Water | Medium | ArrayTwo PointersGreedy |
| 400 | Contains Duplicate | Easy | ArrayHash TableSorting |
| 401 | Contains Duplicate II | Easy | ArrayHash TableSliding Window |
| 402 | Contains Duplicate III | Hard | ArraySliding WindowSorting |
| 403 | Contiguous Array | Medium | ArrayHash TablePrefix Sum |
| 404 | Continuous Subarray Sum | Medium | ArrayHash TableMath |
| 405 | Continuous Subarrays | Medium | ArrayQueueSliding Window |
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