Practice problems across 75+ categories
Practice problems frequently asked at Amazon • 3399 problems | 851 Easy | 1772 Medium | 756 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 2536 | Palindrome Removal | Hard | ArrayDynamic Programming |
| 2537 | Palindromic Substrings | Medium | Two PointersStringDynamic Programming |
| 2538 | Pancake Sorting | Medium | ArrayTwo PointersGreedy |
| 2539 | Parallel Courses | Medium | GraphTopological Sort |
| 2540 | Parallel Courses II | Hard | Dynamic ProgrammingBit ManipulationGraph |
| 2541 | Parallel Courses III | Hard | ArrayDynamic ProgrammingGraph |
| 2542 | Parallel Execution of Promises for Individual Results Retrieval | Medium | JavaScript |
| 2543 | Parse Lisp Expression | Hard | Hash TableStringStack |
| 2544 | Parsing A Boolean Expression | Hard | StringStackRecursion |
| 2545 | Partial Function with Placeholders | Easy | JavaScript |
| 2546 | Partition Array According to Given Pivot | Medium | ArrayTwo PointersSimulation |
| 2547 | Partition Array for Maximum Sum | Medium | ArrayDynamic Programming |
| 2548 | Partition Array into Disjoint Intervals | Medium | Array |
| 2549 | Partition Array Into Three Parts With Equal Sum | Easy | ArrayGreedy |
| 2550 | Partition Array Into Two Arrays to Minimize Sum Difference | Hard | ArrayTwo PointersBinary Search |
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