Practice problems across 75+ categories
Practice problems frequently asked at Meta • 2900 problems | 652 Easy | 1528 Medium | 703 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 2776 | Time Taken to Mark All Nodes | Hard | Dynamic ProgrammingTreeDepth-First Search |
| 2777 | Timeout Cancellation | Easy | JavaScript |
| 2778 | To Be Or Not To Be | Easy | JavaScript |
| 2779 | Top K Frequent Elements | Medium | ArrayHash TableDivide and Conquer |
| 2780 | Top K Frequent Words | Medium | ArrayHash TableString |
| 2781 | Top Percentile Fraud | Medium | Database |
| 2782 | Toss Strange Coins | Medium | ArrayMathDynamic Programming |
| 2783 | Total Appeal of A String | Hard | Hash TableStringDynamic Programming |
| 2784 | Total Characters in String After Transformations I | Medium | Hash TableMathString |
| 2785 | Total Characters in String After Transformations II | Hard | Hash TableMathString |
| 2786 | Total Cost to Hire K Workers | Medium | ArrayTwo PointersHeap (Priority Queue) |
| 2787 | Total Distance Traveled | Easy | MathSimulation |
| 2788 | Total Sales Amount by Year | Hard | Database |
| 2789 | Traffic Light Controlled Intersection | Easy | Concurrency |
| 2790 | Transform Array by Parity | Easy | ArraySortingCounting |
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