Practice problems across 75+ categories
Practice problems frequently asked at Meta • 2900 problems | 652 Easy | 1528 Medium | 703 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 2716 | Swap Sex of Employees | Unknown | Database |
| 2717 | Swapping Nodes in a Linked List | Medium | Linked ListTwo Pointers |
| 2718 | Symmetric Coordinates | Medium | Database |
| 2719 | Tag Validator | Hard | StringStack |
| 2720 | Take Gifts From the Richest Pile | Easy | ArrayHeap (Priority Queue)Simulation |
| 2721 | Take K of Each Character From Left and Right | Medium | Hash TableStringSliding Window |
| 2722 | Taking Maximum Energy From the Mystic Dungeon | Medium | ArrayPrefix Sum |
| 2723 | Target Sum | Medium | ArrayDynamic ProgrammingBacktracking |
| 2724 | Task Scheduler II | Medium | ArrayHash TableSimulation |
| 2725 | Tasks Count in the Weekend | Medium | Database |
| 2726 | Team Scores in Football Tournament | Medium | Database |
| 2727 | Tenth Line | Easy | Shell |
| 2728 | Ternary Expression Parser | Medium | StringStackRecursion |
| 2729 | The Airport With the Most Traffic | Medium | Database |
| 2730 | The Category of Each Member in the Store | Medium | Database |
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