Practice problems across 75+ categories
Practice problems frequently asked at Meta • 2900 problems | 652 Easy | 1528 Medium | 703 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 541 | Create Binary Tree From Descriptions | Medium | ArrayHash TableTree |
| 542 | Create Components With Same Value | Hard | ArrayMathTree |
| 543 | Create Hello World Function | Easy | JavaScript |
| 544 | Create Object from Two Arrays | Easy | JavaScript |
| 545 | Create Sorted Array through Instructions | Hard | ArrayBinary SearchDivide and Conquer |
| 546 | Critical Connections in a Network | Hard | Depth-First SearchGraphBiconnected Component |
| 547 | Custom Interval | Medium | JavaScript |
| 548 | Custom Sort String | Medium | Hash TableStringSorting |
| 549 | Customer Order Frequency | Easy | Database |
| 550 | Customer Placing the Largest Number of Orders | Easy | Database |
| 551 | Customer Purchasing Behavior Analysis | Medium | Database |
| 552 | Customer Who Visited but Did Not Make Any Transactions | Easy | Database |
| 553 | Customers Who Bought All Products | Medium | Database |
| 554 | Customers Who Bought Products A and B but Not C | Medium | Database |
| 555 | Customers Who Never Order | Easy | Database |
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