Practice problems across 75+ categories
Practice problems frequently asked at Meta • 2900 problems | 652 Easy | 1528 Medium | 703 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 2611 | Statistics from a Large Sample | Medium | ArrayMathProbability and Statistics |
| 2612 | Step-By-Step Directions From a Binary Tree Node to Another | Medium | StringTreeDepth-First Search |
| 2613 | Stepping Numbers | Medium | MathBacktrackingBreadth-First Search |
| 2614 | Steps to Make Array Non-decreasing | Medium | ArrayLinked ListStack |
| 2615 | Stickers to Spell Word | Hard | ArrayHash TableString |
| 2616 | Stock Price Fluctuation | Medium | Hash TableDesignHeap (Priority Queue) |
| 2617 | Stone Game | Medium | ArrayMathDynamic Programming |
| 2618 | Stone Game II | Medium | ArrayMathDynamic Programming |
| 2619 | Stone Game III | Hard | ArrayMathDynamic Programming |
| 2620 | Stone Game IV | Hard | MathDynamic ProgrammingGame Theory |
| 2621 | Stone Game IX | Medium | ArrayMathGreedy |
| 2622 | Stone Game V | Hard | ArrayMathDynamic Programming |
| 2623 | Stone Game VI | Medium | ArrayMathGreedy |
| 2624 | Stone Game VII | Medium | ArrayMathDynamic Programming |
| 2625 | Stone Game VIII | Hard | ArrayMathDynamic Programming |
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