Linked List — Practice Problems

13

Total

12

Solved

92%

Complete

4

Easy

7

Medium

2

Hard

All problems →← Back to Linked List

easy · 4

#21Merge Two Sorted Lists✓
easylinked list
Editorial Approach
#141Linked List Cycle✓
easylinked listtwo pointers
Editorial Approach
#206Reverse Linked List✓
easylinked list
Editorial Approach
#876Middle of the Linked List✓
easylinked listtwo pointers
Editorial Approach

medium · 7

#2Add Two Numbers✓
mediumlinked list
Editorial Approach
#19Remove Nth Node From End of List✓
mediumlinked listtwo pointers
Editorial Approach
#138Copy List with Random Pointer✓
mediumlinked list
Editorial Approach
#143Reorder List✓
mediumlinked listtwo pointers
Editorial Approach
#146LRU Cache○
mediumlinked listhashing
#148Sort List✓
mediumsearching sortinglinked list
Solution
#287Find the Duplicate Number✓
mediumlinked list
Editorial Approach

hard · 2

#23Merge k Sorted Lists✓
hardsearching sortinglinked listheaps
Editorial Approach
#25Reverse Nodes in K-Group✓
hardlinked list
Editorial Approach