Practice problems across 75+ categories
Practice problems frequently asked at Meta • 2900 problems | 652 Easy | 1528 Medium | 703 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 2191 | Palindrome Partitioning III | Hard | StringDynamic Programming |
| 2192 | Palindrome Partitioning IV | Hard | StringDynamic Programming |
| 2193 | Palindrome Permutation | Easy | Hash TableStringBit Manipulation |
| 2194 | Palindrome Permutation II | Medium | Hash TableStringBacktracking |
| 2195 | Palindrome Rearrangement Queries | Hard | Hash TableStringPrefix Sum |
| 2196 | Palindrome Removal | Hard | ArrayDynamic Programming |
| 2197 | Palindromic Substrings | Medium | Two PointersStringDynamic Programming |
| 2198 | Pancake Sorting | Medium | ArrayTwo PointersGreedy |
| 2199 | Parallel Courses | Medium | GraphTopological Sort |
| 2200 | Parallel Courses II | Hard | Dynamic ProgrammingBit ManipulationGraph |
| 2201 | Parallel Courses III | Hard | ArrayDynamic ProgrammingGraph |
| 2202 | Parallel Execution of Promises for Individual Results Retrieval | Medium | JavaScript |
| 2203 | Parsing A Boolean Expression | Hard | StringStackRecursion |
| 2204 | Partial Function with Placeholders | Easy | JavaScript |
| 2205 | Partition Array According to Given Pivot | Medium | ArrayTwo PointersSimulation |
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