Practice problems across 75+ categories
Practice problems frequently asked at Microsoft • 3344 problems | 831 Easy | 1747 Medium | 746 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 616 | Count Ways to Make Array With Product | Hard | ArrayMathDynamic Programming |
| 617 | Count Words Obtained After Adding a Letter | Medium | ArrayHash TableString |
| 618 | Count Zero Request Servers | Medium | ArrayHash TableSliding Window |
| 619 | Counter | Easy | JavaScript |
| 620 | Counter II | Easy | JavaScript |
| 621 | Counting Bits | Easy | Dynamic ProgrammingBit Manipulation |
| 622 | Counting Elements | Easy | ArrayHash Table |
| 623 | Counting Words With a Given Prefix | Easy | ArrayStringString Matching |
| 624 | Countries You Can Safely Invest In | Medium | Database |
| 625 | Couples Holding Hands | Hard | GreedyDepth-First SearchBreadth-First Search |
| 626 | Course Schedule | Medium | Depth-First SearchBreadth-First SearchGraph |
| 627 | Course Schedule II | Medium | Depth-First SearchBreadth-First SearchGraph |
| 628 | Course Schedule III | Hard | ArrayGreedySorting |
| 629 | Course Schedule IV | Medium | Depth-First SearchBreadth-First SearchGraph |
| 630 | Cousins in Binary Tree | Easy | TreeDepth-First SearchBreadth-First Search |
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