Linked List Operations: Swapping Nodes, Removing Nth Node, Finding Intersections, and Detecting Cycles
Pairwise Node Swapping
To swap adjacent nodes in pairs, we utilize a dummy node to simplify edge cases. The core idea involves manipulating pointers to reverse each pair while maintaining proper linkage with the rest of the list. A cursor pointer tracks the predecessor of each pair being processed.
The termination condition varies based on whet ...
Posted on Sat, 20 Jun 2026 16:35:52 +0000 by matt6805