Practice problems across 75+ categories
Practice problems frequently asked at Array • 1947 problems | 398 Easy | 1049 Medium | 497 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 406 | Distribute Repeating Integers | Hard | ArrayDynamic ProgrammingBacktracking |
| 407 | Divide an Array Into Subarrays With Minimum Cost I | Easy | ArraySortingEnumeration |
| 408 | Divide an Array Into Subarrays With Minimum Cost II | Hard | ArrayHash TableSliding Window |
| 409 | Divide Array in Sets of K Consecutive Numbers | Medium | ArrayHash TableGreedy |
| 410 | Divide Array Into Arrays With Max Difference | Medium | ArrayGreedySorting |
| 411 | Divide Array Into Equal Pairs | Easy | ArrayHash TableBit Manipulation |
| 412 | Divide Array Into Increasing Sequences | Hard | ArrayCounting |
| 413 | Divide Chocolate | Hard | ArrayBinary Search |
| 414 | Divide Intervals Into Minimum Number of Groups | Medium | ArrayTwo PointersGreedy |
| 415 | Divide Players Into Teams of Equal Skill | Medium | ArrayHash TableTwo Pointers |
| 416 | Dot Product of Two Sparse Vectors | Medium | ArrayHash TableTwo Pointers |
| 417 | Double Modular Exponentiation | Medium | ArrayMathSimulation |
| 418 | Dungeon Game | Hard | ArrayDynamic ProgrammingMatrix |
| 419 | Duplicate Zeros | Easy | ArrayTwo Pointers |
| 420 | Earliest Possible Day of Full Bloom | Hard | ArrayGreedySorting |
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