Skip to main content

Linked List Problems

Reversal, merge, cycle detection, two pointers (fast/slow), and partition.

📄️ Add Two Numbers

LeetCode 2 | Difficulty: Medium

📄️ Add Two Numbers II

LeetCode 445 | Difficulty: Medium

📄️ Delete Node in a Linked List

LeetCode 237 | Difficulty: Medium

📄️ Delete the Middle Node of a Linked List

LeetCode 2216 | Difficulty: Medium

📄️ Insertion Sort List

LeetCode 147 | Difficulty: Medium

📄️ Intersection of Three Sorted Arrays

LeetCode Link

📄️ Intersection of Two Arrays

LeetCode 349 | Difficulty: Easy

📄️ Intersection of Two Arrays II

LeetCode 350 | Difficulty: Easy

📄️ Intersection of Two Linked Lists

LeetCode 160 | Difficulty: Easy

📄️ Interval List Intersections

LeetCode 1028 | Difficulty: Medium

📄️ Linked List Cycle

LeetCode 141 | Difficulty: Easy

📄️ Linked List Cycle II

LeetCode 142 | Difficulty: Medium

📄️ Maximum Twin Sum of a Linked List

LeetCode 2236 | Difficulty: Medium

📄️ Merge Two Sorted Lists

LeetCode 21 | Difficulty: Easy

📄️ Middle of the Linked List

LeetCode 908 | Difficulty: Easy

📄️ Odd Even Linked List

LeetCode 328 | Difficulty: Medium

📄️ Palindrome Linked List

LeetCode 234 | Difficulty: Easy

📄️ Remove Linked List Elements

LeetCode 203 | Difficulty: Easy

📄️ Remove Nth Node From End of List

LeetCode 19 | Difficulty: Medium

📄️ Remove Zero Sum Consecutive Nodes from Linked List

LeetCode 1267 | Difficulty: Medium

📄️ Reorder List

LeetCode 143 | Difficulty: Medium

📄️ Reverse Linked List

LeetCode 206 | Difficulty: Easy

📄️ Reverse Linked List II

LeetCode 92 | Difficulty: Medium

📄️ Rotate List

LeetCode 61 | Difficulty: Medium

📄️ Sort List

LeetCode 148 | Difficulty: Medium

📄️ Swap Nodes in Pairs

LeetCode 24 | Difficulty: Medium