Practice problems across 75+ categories
Practice problems frequently asked at Microsoft • 3344 problems | 831 Easy | 1747 Medium | 746 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 436 | Count Artifacts That Can Be Extracted | Medium | ArrayHash TableSimulation |
| 437 | Count Asterisks | Easy | String |
| 438 | Count Beautiful Numbers | Hard | Dynamic Programming |
| 439 | Count Beautiful Splits in an Array | Medium | ArrayDynamic Programming |
| 440 | Count Beautiful Substrings I | Medium | Hash TableMathString |
| 441 | Count Beautiful Substrings II | Hard | Hash TableMathString |
| 442 | Count Binary Substrings | Easy | Two PointersString |
| 443 | Count Cells in Overlapping Horizontal and Vertical Substrings | Medium | ArrayStringRolling Hash |
| 444 | Count Collisions of Monkeys on a Polygon | Medium | MathRecursion |
| 445 | Count Collisions on a Road | Medium | StringStackSimulation |
| 446 | Count Common Words With One Occurrence | Easy | ArrayHash TableString |
| 447 | Count Complete Subarrays in an Array | Medium | ArrayHash TableSliding Window |
| 448 | Count Complete Substrings | Hard | Hash TableStringSliding Window |
| 449 | Count Complete Tree Nodes | Easy | Binary SearchBit ManipulationTree |
| 450 | Count Connected Components in LCM Graph | Hard | ArrayHash TableMath |
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