Practice problems across 75+ categories
Practice problems frequently asked at Amazon • 3399 problems | 851 Easy | 1772 Medium | 756 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 2596 | Phone Number Prefix | Easy | ArrayStringTrie |
| 2597 | Pizza Toppings Cost Analysis | Medium | Database |
| 2598 | Pizza With 3n Slices | Hard | ArrayDynamic ProgrammingGreedy |
| 2599 | Plates Between Candles | Medium | ArrayStringBinary Search |
| 2600 | Plus One | Easy | ArrayMath |
| 2601 | Plus One Linked List | Medium | Linked ListMath |
| 2602 | Points That Intersect With Cars | Easy | ArrayHash TablePrefix Sum |
| 2603 | Poor Pigs | Hard | MathDynamic ProgrammingCombinatorics |
| 2604 | Populating Next Right Pointers in Each Node | Medium | Linked ListTreeDepth-First Search |
| 2605 | Populating Next Right Pointers in Each Node II | Medium | Linked ListTreeDepth-First Search |
| 2606 | Positions of Large Groups | Easy | String |
| 2607 | Possible Bipartition | Medium | Depth-First SearchBreadth-First SearchUnion Find |
| 2608 | Pour Water | Medium | ArraySimulation |
| 2609 | Pour Water Between Buckets to Make Water Levels Equal | Medium | ArrayBinary Search |
| 2610 | Power of Four | Easy | MathBit ManipulationRecursion |
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