Practice problems across 75+ categories
Practice problems frequently asked at Array • 1947 problems | 398 Easy | 1049 Medium | 497 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 1666 | Shift Distance Between Two Strings | Medium | ArrayStringPrefix Sum |
| 1667 | Shifting Letters | Medium | ArrayStringPrefix Sum |
| 1668 | Shifting Letters II | Medium | ArrayStringPrefix Sum |
| 1669 | Shopping Offers | Medium | ArrayDynamic ProgrammingBacktracking |
| 1670 | Short Encoding of Words | Medium | ArrayHash TableString |
| 1671 | Shortest Bridge | Medium | ArrayDepth-First SearchBreadth-First Search |
| 1672 | Shortest Completing Word | Easy | ArrayHash TableString |
| 1673 | Shortest Distance After Road Addition Queries I | Medium | ArrayBreadth-First SearchGraph |
| 1674 | Shortest Distance After Road Addition Queries II | Hard | ArrayGreedyGraph |
| 1675 | Shortest Distance from All Buildings | Hard | ArrayBreadth-First SearchMatrix |
| 1676 | Shortest Distance to a Character | Easy | ArrayTwo PointersString |
| 1677 | Shortest Distance to Target Color | Medium | ArrayBinary SearchDynamic Programming |
| 1678 | Shortest Distance to Target String in a Circular Array | Easy | ArrayString |
| 1679 | Shortest Impossible Sequence of Rolls | Hard | ArrayHash TableGreedy |
| 1680 | Shortest Path in a Grid with Obstacles Elimination | Hard | ArrayBreadth-First SearchMatrix |
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