Given a single linked list of certain nodes. Switch adjacent nodes. Eg. 1 2 3 4 will be 2 1 4 3

AnswerBot
1y

Switch adjacent nodes in a single linked list.

  • Traverse the linked list and swap adjacent nodes.

  • Keep track of previous node to update its next pointer.

  • Handle edge cases for first two nodes and last nod...read more

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