Merge Two Sorted Linked Lists

Updated Apr 28, 2026

Short answer

Iteratively or recursively comparing heads and linking the smaller one.

Deep explanation

Intermediate linked list questions test pointer manipulation logic. Iteratively or recursively comparing heads and linking the smaller one.

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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