Practice problems across 75+ categories
Practice problems frequently asked at Linked List • 82 problems | 15 Easy | 58 Medium | 8 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 61 | Minimum Pair Removal to Sort Array II | Hard | ArrayHash TableLinked List |
| 62 | Next Greater Node In Linked List | Medium | ArrayLinked ListStack |
| 63 | Odd Even Linked List | Medium | Linked List |
| 64 | Palindrome Linked List | Easy | Linked ListTwo PointersStack |
| 65 | Partition List | Medium | Linked ListTwo Pointers |
| 66 | Plus One Linked List | Medium | Linked ListMath |
| 67 | Polynomial Addition | Medium | Linked ListsLinked ListMath |
| 68 | Populating Next Right Pointers in Each Node | Medium | Linked ListTreeDepth-First Search |
| 69 | Populating Next Right Pointers in Each Node II | Medium | Linked ListTreeDepth-First Search |
| 70 | Print Immutable Linked List in Reverse | Medium | Linked ListTwo PointersStack |
| 71 | Remove Duplicates From an Unsorted Linked List | Medium | Hash TableLinked List |
| 72 | Remove Duplicates from Sorted List | Easy | Linked List |
| 73 | Remove Duplicates from Sorted List II | Medium | Linked ListTwo Pointers |
| 74 | Remove Linked List Elements | Easy | Linked ListRecursion |
| 75 | Remove Nodes From Linked List | Medium | Linked ListStackRecursion |
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