midLinked Lists

Find the Middle of a Linked List

Updated Apr 28, 2026

Short answer

Moving a fast pointer twice as fast as a slow pointer; slow will be at the middle.

Deep explanation

Intermediate linked list questions test pointer manipulation logic. Moving a fast pointer twice as fast as a slow pointer; slow will be at the middle.

Real-world example

Back/Forward navigation in web browsers.

Common mistakes

  • Losing the reference to the rest of the list during pointer re-assignment.

Follow-up questions

  • Time Complexity?

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