Intersection of Two Linked Lists | LeetCode 160 | Two Pointer Trick Explained
Автор: Algo Strive
Загружено: 2025-12-29
Просмотров: 19
Описание:
In this video, we solve LeetCode 160 – Intersection of Two Linked Lists, one of the most frequently asked linked list interview questions.
You’ll learn how to find the intersection node of two singly linked lists using the Two Pointer Technique, without using extra space and without modifying the original linked lists.
🔹 We’ll understand:
What “intersection” actually means (reference-based, not value-based)
Why brute force is inefficient
How the two pointer trick works step by step
Dry run with a clear diagram
Time & space complexity (O(n + m), O(1))
This approach is clean, elegant, and interview-approved, commonly asked in companies like Amazon, Microsoft, Google, Meta, and more.
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