Practice problems across 75+ categories
Practice problems frequently asked at Meta • 2900 problems | 652 Easy | 1528 Medium | 703 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 706 | Egg Drop With 2 Eggs and N Floors | Medium | MathDynamic Programming |
| 707 | Element Appearing More Than 25% In Sorted Array | Easy | Array |
| 708 | Elements in Array After Removing and Replacing Elements | Medium | Array |
| 709 | Eliminate Maximum Number of Monsters | Medium | ArrayGreedySorting |
| 710 | Employee Bonus | Easy | Database |
| 711 | Employee Free Time | Hard | ArrayLine SweepSorting |
| 712 | Employee Task Duration and Concurrent Tasks | Hard | Database |
| 713 | Employees Earning More Than Their Managers | Easy | Database |
| 714 | Employees Whose Manager Left the Company | Easy | Database |
| 715 | Employees With Deductions | Medium | Database |
| 716 | Employees With Missing Information | Easy | Database |
| 717 | Encode and Decode Strings | Medium | ArrayStringDesign |
| 718 | Encode and Decode TinyURL | Medium | Hash TableStringDesign |
| 719 | Encode N-ary Tree to Binary Tree | Hard | TreeDepth-First SearchBreadth-First Search |
| 720 | Encode String with Shortest Length | Hard | StringDynamic Programming |
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