midLinked Lists
Odd-Even Linked List grouping
Updated Apr 28, 2026
Short answer
Reorder nodes so all odd-indexed nodes come before even ones.
Deep explanation
Intermediate linked list questions test pointer manipulation logic. Reorder nodes so all odd-indexed nodes come before even ones.
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?