Practice problems across 75+ categories
Practice problems frequently asked at Meta • 2900 problems | 652 Easy | 1528 Medium | 703 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 601 | Design A Leaderboard | Medium | Hash TableDesignSorting |
| 602 | Design a Number Container System | Medium | Hash TableDesignHeap (Priority Queue) |
| 603 | Design a Text Editor | Hard | Linked ListStringStack |
| 604 | Design a Todo List | Medium | ArrayHash TableString |
| 605 | Design Add and Search Words Data Structure | Medium | StringDepth-First SearchDesign |
| 606 | Design an Array Statistics Tracker | Hard | Hash TableBinary SearchDesign |
| 607 | Design an ATM Machine | Medium | ArrayGreedyDesign |
| 608 | Design an Expression Tree With Evaluate Function | Medium | ArrayMathStack |
| 609 | Design Authentication Manager | Medium | Hash TableLinked ListDesign |
| 610 | Design Bitset | Medium | ArrayHash TableString |
| 611 | Design Bounded Blocking Queue | Medium | Concurrency |
| 612 | Design Browser History | Medium | ArrayLinked ListStack |
| 613 | Design Cancellable Function | Hard | JavaScript |
| 614 | Design Circular Deque | Medium | ArrayLinked ListDesign |
| 615 | Design Circular Queue | Medium | ArrayLinked ListDesign |
Powerful online tools to boost your productivity
Coding Ground For Developers
Code, Edit, Run and ShareIgnite your coding potential on Coding Ground - an immersive online platform for hands-on learning, collaboration, and skill development.
