Partition List - Linked List Two Pointer Algorithm Explained
Learn how to solve the Partition List problem efficiently! 🚀
In this video, we break down the logic for partitioning a linked list around a value `x` such that all nodes less than `x` come before nodes greater than or equal to `x`, while preserving the original relative order.
We cover:
✅ The "Two Dummy Heads" strategy
✅ Visualizing pointer manipulation
✅ Avoiding infinite cycles (common pitfall!)
✅ Time and Space complexity analysis
This is a classic interview question found on platforms like LeetCode (Problem 86). Perfect for beginners learning data structures.
#linkedlist #leetcode #algorithm #codinginterview #datastructures #python #java
Chapters:
00:00 - Partition List Around Value
00:15 - The Problem
00:38 - Visual Example
01:04 - The Strategy
01:24 - Dummy Nodes
01:44 - Traversal Logic
02:04 - Visualization
02:22 - Connecting the Lists
02:42 - Important Detail
03:01 - Complexity
03:24 - Recap
03:44 - Outro
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