Practice problems across 75+ categories
Practice problems frequently asked at Microsoft • 3344 problems | 831 Easy | 1747 Medium | 746 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 481 | Count Nodes With the Highest Score | Medium | ArrayTreeDepth-First Search |
| 482 | Count Non-Decreasing Subarrays After K Operations | Hard | ArrayStackSegment Tree |
| 483 | Count Number of Bad Pairs | Medium | ArrayHash TableMath |
| 484 | Count Number of Balanced Permutations | Hard | MathStringDynamic Programming |
| 485 | Count Number of Distinct Integers After Reverse Operations | Medium | ArrayHash TableMath |
| 486 | Count Number of Homogenous Substrings | Medium | MathString |
| 487 | Count Number of Maximum Bitwise-OR Subsets | Medium | ArrayBacktrackingBit Manipulation |
| 488 | Count Number of Nice Subarrays | Medium | ArrayHash TableMath |
| 489 | Count Number of Pairs With Absolute Difference K | Easy | ArrayHash TableCounting |
| 490 | Count Number of Possible Root Nodes | Hard | ArrayHash TableDynamic Programming |
| 491 | Count Number of Rectangles Containing Each Point | Medium | ArrayHash TableBinary Search |
| 492 | Count Number of Special Subsequences | Hard | ArrayDynamic Programming |
| 493 | Count Number of Teams | Medium | ArrayDynamic ProgrammingBinary Indexed Tree |
| 494 | Count Number of Texts | Medium | Hash TableMathString |
| 495 | Count Number of Ways to Place Houses | Medium | Dynamic Programming |
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