| 2 | Add Two Numbersread | — | Medium | Linked ListMathRecursion | 46% | |
| 19 | Remove Nth Node From End of List | — | Medium | Linked ListTwo Pointers | 49% | |
| 21 | Merge Two Sorted Lists | — | Easy | Linked ListRecursion | 67% | |
| 23 | Merge k Sorted Lists | — | Hard | Linked ListDivide and ConquerHeap (Priority Queue) | 56% | |
| 24 | Swap Nodes in Pairs | — | Medium | Linked ListRecursion | 67% | |
| 25 | Reverse Nodes in k-Group | — | Hard | Linked ListRecursion | 63% | |
| 61 | Rotate List | — | Medium | Linked ListTwo Pointers | 40% | |
| 82 | Remove Duplicates from Sorted List II | — | Medium | Linked ListTwo Pointers | 50% | |
| 83 | Remove Duplicates from Sorted List | — | Easy | Linked List | 55% | |
| 86 | Partition List | — | Medium | Linked ListTwo Pointers | 59% | |
| 92 | Reverse Linked List II | — | Medium | Linked List | 49% | |
| 109 | Convert Sorted List to Binary Search Tree | — | Medium | Linked ListDivide and ConquerTree | 64% | |
| 114 | Flatten Binary Tree to Linked List | — | Medium | Linked ListStackTree | 68% | |
| 116 | Populating Next Right Pointers in Each Node | — | Medium | Linked ListTreeDepth-First Search | 65% | |
| 117 | Populating Next Right Pointers in Each Node II | — | Medium | Linked ListTreeDepth-First Search | 55% | |
| 138 | Copy List with Random Pointerread | — | Medium | Hash TableLinked List | 60% | |
| 141 | Linked List Cycle | — | Easy | Hash TableLinked ListTwo Pointers | 52% | |
| 142 | Linked List Cycle II | — | Medium | Hash TableLinked ListTwo Pointers | 55% | |
| 143 | Reorder List | — | Medium | Linked ListTwo PointersStack | 62% | |
| 146 | LRU Cacheread | — | Medium | Hash TableLinked ListDesign | 45% | |
| 147 | Insertion Sort List | — | Medium | Linked ListSorting | 56% | |
| 148 | Sort List | — | Medium | Linked ListTwo PointersDivide and Conquer | 61% | |
| 160 | Intersection of Two Linked Lists | — | Easy | Hash TableLinked ListTwo Pointers | 61% | |
| 203 | Remove Linked List Elements | — | Easy | Linked ListRecursion | 52% | |
| 206 | Reverse Linked List | — | Easy | Linked ListRecursion | 79% | |
| 234 | Palindrome Linked List | — | Easy | Linked ListTwo PointersStack | 56% | |
| 237 | Delete Node in a Linked Listread | — | Medium | Linked List | 82% | |
| 328 | Odd Even Linked List | — | Medium | Linked List | 62% | |
| 355 | Design Twitterread | — | Medium | Hash TableLinked ListDesign | 42% | |
| 382 | Linked List Random Noderead | — | Medium | Linked ListMathReservoir Sampling | 64% | |
| 430 | Flatten a Multilevel Doubly Linked List | — | Medium | Linked ListDepth-First SearchDoubly-Linked List | 61% | |
| 432 | All O`one Data Structureread | — | Hard | Hash TableLinked ListDesign | 44% | |
| 445 | Add Two Numbers IIread | — | Medium | Linked ListMathStack | 62% | |
| 460 | LFU Cacheread | — | Hard | Hash TableLinked ListDesign | 46% | |
| 622 | Design Circular Queueread | — | Medium | ArrayLinked ListDesign | 52% | |
| 641 | Design Circular Dequeread | — | Medium | ArrayLinked ListDesign | 64% | |
| 705 | Design HashSetread | — | Easy | ArrayHash TableLinked List | 67% | |
| 706 | Design HashMapread | — | Easy | ArrayHash TableLinked List | 66% | |
| 707 | Design Linked Listread | — | Medium | Linked ListDesign | 29% | |
| 725 | Split Linked List in Parts | — | Medium | Linked List | 70% | |
| 817 | Linked List Components | — | Medium | ArrayHash TableLinked List | 57% | |
| 876 | Middle of the Linked List | — | Easy | Linked ListTwo Pointers | 80% | |
| 1019 | Next Greater Node In Linked List | — | Medium | ArrayLinked ListStack | 62% | |
| 1171 | Remove Zero Sum Consecutive Nodes from Linked List | — | Medium | Hash TableLinked List | 53% | |
| 1206 | Design Skiplistread | — | Hard | Linked ListDesign | 58% | |
| 1290 | Convert Binary Number in a Linked List to Integer | — | Easy | Linked ListMath | 81% | |
| 1367 | Linked List in Binary Tree | — | Medium | Linked ListTreeDepth-First Search | 52% | |
| 1472 | Design Browser Historyread | — | Medium | ArrayLinked ListStack | 78% | |
| 1669 | Merge In Between Linked Listsread | — | Medium | Linked List | 82% | |
| 1670 | Design Front Middle Back Queueread | — | Medium | ArrayLinked ListDesign | 56% | |