Linked List | LeetCode Problems

51 Linked List solutions to LeetCode solutions.

Linked List Problems View all solutions →

Add Two Numbers

#2 Medium

Remove Nth Node From End of List

#19 Medium

Merge Two Sorted Lists

#21 Easy

Merge k Sorted Lists

#23 Hard

Swap Nodes in Pairs

#24 Medium

Reverse Nodes in k-Group

#25 Hard

Rotate List

#61 Medium

Remove Duplicates from Sorted List II

#82 Medium

Remove Duplicates from Sorted List

#83 Easy

Partition List

#86 Medium

Reverse Linked List II

#92 Medium

Convert Sorted List to Binary Search Tree

#109 Medium

Flatten Binary Tree to Linked List

#114 Medium

Populating Next Right Pointers in Each Node

#116 Medium

Populating Next Right Pointers in Each Node II

#117 Medium

Copy List with Random Pointer

#138 Medium

Linked List Cycle

#141 Easy

Linked List Cycle II

#142 Medium

Reorder List

#143 Medium

LRU Cache

#146 Medium

Insertion Sort List

#147 Medium

Sort List

#148 Medium

Intersection of Two Linked Lists

#160 Medium

Remove Linked List Elements

#203 Easy

Reverse Linked List

#206 Easy

Palindrome Linked List

#234 Easy

Delete Node in a Linked List

#237 Easy

Odd Even Linked List

#328 Medium

Design Twitter

#355 Medium

Linked List Random Node

#382 Medium

Flatten a Multilevel Doubly Linked List

#430 Medium

All O`one Data Structure

#432 Hard

Add Two Numbers II

#445 Medium

LFU Cache

#460 Hard

Design Circular Queue

#622 Medium

Design Circular Deque

#641 Medium

Design HashSet

#705 Easy

Design HashMap

#706 Easy

Design Linked List

#707 Medium

Split Linked List in Parts

#725 Medium

Linked List Components

#817 Medium

Middle of the Linked List

#876 Easy

Next Greater Node In Linked List

#1019 Medium

Remove Zero Sum Consecutive Nodes from Linked List

#1171 Medium

Design Skiplist

#1206 Hard

Convert Binary Number in a Linked List to Integer

#1290 Easy

Linked List in Binary Tree

#1367 Medium

Design Browser History

#1472 Medium

Merge In Between Linked Lists

#1669 Medium

Delete the Middle Node of a Linked List

#2095 Medium

Maximum Twin Sum of a Linked List

#2130 Medium