Practice problems across 75+ categories
Practice problems frequently asked at Linked List • 82 problems | 15 Easy | 58 Medium | 8 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 1 | Add Two Numbers | Medium | Linked ListMathRecursion |
| 2 | Add Two Numbers II | Medium | Linked ListMathStack |
| 3 | Add Two Polynomials Represented as Linked Lists | Medium | Linked ListMathTwo Pointers |
| 4 | All O`one Data Structure | Hard | Hash TableLinked ListDesign |
| 5 | Convert Binary Number in a Linked List to Integer | Easy | Linked ListMath |
| 6 | Convert Binary Search Tree to Sorted Doubly Linked List | Medium | Linked ListStackTree |
| 7 | Convert Doubly Linked List to Array I | Easy | ArrayLinked ListDoubly-Linked List |
| 8 | Convert Doubly Linked List to Array II | Medium | ArrayLinked ListDoubly-Linked List |
| 9 | Convert Sorted List to Binary Search Tree | Medium | Linked ListDivide and ConquerTree |
| 10 | Copy List with Random Pointer | Medium | Hash TableLinked List |
| 11 | Delete N Nodes After M Nodes of a Linked List | Easy | Linked List |
| 12 | Delete Node in a Linked List | Medium | Linked List |
| 13 | Delete Nodes From Linked List Present in Array | Medium | ArrayHash TableLinked List |
| 14 | Delete the Middle Node of a Linked List | Medium | Linked ListTwo Pointers |
| 15 | Design a Text Editor | Hard | Linked ListStringStack |
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