Practice problems across 75+ categories
Practice problems frequently asked at Recursion • 50 problems | 11 Easy | 24 Medium | 15 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 31 | Power of Two | Easy | MathBit ManipulationRecursion |
| 32 | Pow(x, n) | Medium | MathRecursion |
| 33 | Predict the Winner | Medium | ArrayMathDynamic Programming |
| 34 | Print Immutable Linked List in Reverse | Medium | Linked ListTwo PointersStack |
| 35 | Regular Expression Matching | Hard | StringDynamic ProgrammingRecursion |
| 36 | Remove Linked List Elements | Easy | Linked ListRecursion |
| 37 | Remove Nodes From Linked List | Medium | Linked ListStackRecursion |
| 38 | Reorder List | Medium | Linked ListTwo PointersStack |
| 39 | Reverse Linked List | Easy | Linked ListRecursion |
| 40 | Reverse Nodes in k-Group | Hard | Linked ListRecursion |
| 41 | Sequential Grid Path Cover | Medium | ArrayRecursionMatrix |
| 42 | Special Binary String | Hard | StringRecursion |
| 43 | Split BST | Medium | TreeBinary Search TreeRecursion |
| 44 | Strobogrammatic Number II | Medium | ArrayStringRecursion |
| 45 | Strobogrammatic Number III | Hard | ArrayStringRecursion |
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