Practice problems across 75+ categories
Practice problems frequently asked at Microsoft • 3344 problems | 831 Easy | 1747 Medium | 746 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 661 | Decode the Message | Easy | Hash TableString |
| 662 | Decode the Slanted Ciphertext | Medium | StringSimulation |
| 663 | Decode Ways | Medium | StringDynamic Programming |
| 664 | Decode Ways II | Hard | StringDynamic Programming |
| 665 | Decode XORed Array | Easy | ArrayBit Manipulation |
| 666 | Decode XORed Permutation | Medium | ArrayBit Manipulation |
| 667 | Decompress Run-Length Encoded List | Easy | Array |
| 668 | Decrease Elements To Make Array Zigzag | Medium | ArrayGreedy |
| 669 | Decremental String Concatenation | Medium | ArrayStringDynamic Programming |
| 670 | Decrypt String from Alphabet to Integer Mapping | Easy | String |
| 671 | Deep Merge of Two Objects | Medium | JavaScript |
| 672 | Deep Object Filter | Medium | Database |
| 673 | Deepest Leaves Sum | Medium | TreeDepth-First SearchBreadth-First Search |
| 674 | Defanging an IP Address | Easy | String |
| 675 | Defuse the Bomb | Easy | ArraySliding Window |
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