Practice problems across 75+ categories
Practice problems frequently asked at Meta • 2900 problems | 652 Easy | 1528 Medium | 703 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 76 | Apply Transform Over Each Element in Array | Easy | JavaScript |
| 77 | Arithmetic Slices | Medium | ArrayDynamic ProgrammingSliding Window |
| 78 | Arithmetic Slices II - Subsequence | Hard | ArrayDynamic Programming |
| 79 | Arithmetic Subarrays | Medium | ArrayHash TableSorting |
| 80 | Array Nesting | Medium | ArrayDepth-First Search |
| 81 | Array of Doubled Pairs | Medium | ArrayHash TableGreedy |
| 82 | Array Prototype ForEach | Easy | JavaScript |
| 83 | Array Prototype Last | Easy | JavaScript |
| 84 | Array Reduce Transformation | Easy | JavaScript |
| 85 | Array Upper Bound | Easy | JavaScript |
| 86 | Array With Elements Not Equal to Average of Neighbors | Medium | ArrayGreedySorting |
| 87 | Array Wrapper | Easy | JavaScript |
| 88 | Article Views I | Easy | Database |
| 89 | As Far from Land as Possible | Medium | ArrayDynamic ProgrammingBreadth-First Search |
| 90 | Assign Elements to Groups with Constraints | Medium | ArrayHash Table |
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