Practice problems across 75+ categories
Practice problems frequently asked at Array • 1947 problems | 398 Easy | 1049 Medium | 497 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 331 | Cutting Ribbons | Medium | ArrayBinary Search |
| 332 | Cycle Length Queries in a Tree | Hard | ArrayTreeBinary Tree |
| 333 | Cyclically Rotating a Grid | Medium | ArrayMatrixSimulation |
| 334 | Daily Temperatures | Medium | ArrayStackMonotonic Stack |
| 335 | Deal Cards Equally | Easy | ArraySimulationSorting |
| 336 | Decode XORed Array | Easy | ArrayBit Manipulation |
| 337 | Decode XORed Permutation | Medium | ArrayBit Manipulation |
| 338 | Decompress Run-Length Encoded List | Easy | Array |
| 339 | Decrease Elements To Make Array Zigzag | Medium | ArrayGreedy |
| 340 | Decremental String Concatenation | Medium | ArrayStringDynamic Programming |
| 341 | Defuse the Bomb | Easy | ArraySliding Window |
| 342 | Degree of an Array | Easy | ArrayHash Table |
| 343 | Delete and Earn | Medium | ArrayHash TableDynamic Programming |
| 344 | Delete Columns to Make Sorted | Easy | ArrayString |
| 345 | Delete Columns to Make Sorted II | Medium | ArrayStringGreedy |
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