Practice problems across 75+ categories
Practice problems frequently asked at Microsoft • 3344 problems | 831 Easy | 1747 Medium | 746 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 31 | Add Two Numbers | Medium | Linked ListMathRecursion |
| 32 | Add Two Numbers II | Medium | Linked ListMathStack |
| 33 | Add Two Polynomials Represented as Linked Lists | Medium | Linked ListMathTwo Pointers |
| 34 | Add Two Promises | Easy | JavaScript |
| 35 | Adding Spaces to a String | Medium | ArrayTwo PointersString |
| 36 | Adding Two Negabinary Numbers | Medium | ArrayMath |
| 37 | Additive Number | Medium | StringBacktracking |
| 38 | Adjacent Increasing Subarrays Detection I | Easy | Array |
| 39 | Adjacent Increasing Subarrays Detection II | Medium | ArrayBinary Search |
| 40 | Ads Performance | Easy | Database |
| 41 | Advantage Shuffle | Medium | ArrayTwo PointersGreedy |
| 42 | Airplane Seat Assignment Probability | Medium | MathDynamic ProgrammingBrainteaser |
| 43 | Alert Using Same Key-Card Three or More Times in a One Hour Period | Medium | ArrayHash TableString |
| 44 | Alice and Bob Playing Flower Game | Medium | Math |
| 45 | All Ancestors of a Node in a Directed Acyclic Graph | Medium | Depth-First SearchBreadth-First SearchGraph |
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