Practice problems across 75+ categories
Practice problems frequently asked at Google • 3407 problems | 851 Easy | 1775 Medium | 761 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 2536 | Palindrome Partitioning III | Hard | StringDynamic Programming |
| 2537 | Palindrome Partitioning IV | Hard | StringDynamic Programming |
| 2538 | Palindrome Permutation | Easy | Hash TableStringBit Manipulation |
| 2539 | Palindrome Permutation II | Medium | Hash TableStringBacktracking |
| 2540 | Palindrome Rearrangement Queries | Hard | Hash TableStringPrefix Sum |
| 2541 | Palindrome Removal | Hard | ArrayDynamic Programming |
| 2542 | Palindromic Substrings | Medium | Two PointersStringDynamic Programming |
| 2543 | Pancake Sorting | Medium | ArrayTwo PointersGreedy |
| 2544 | Parallel Courses | Medium | GraphTopological Sort |
| 2545 | Parallel Courses II | Hard | Dynamic ProgrammingBit ManipulationGraph |
| 2546 | Parallel Courses III | Hard | ArrayDynamic ProgrammingGraph |
| 2547 | Parallel Execution of Promises for Individual Results Retrieval | Medium | JavaScript |
| 2548 | Parse Lisp Expression | Hard | Hash TableStringStack |
| 2549 | Parsing A Boolean Expression | Hard | StringStackRecursion |
| 2550 | Partial Function with Placeholders | Easy | JavaScript |
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