Rotate Linked List Problem Statement

Given a linked list consisting of 'N' nodes and an integer 'K', your task is to rotate the linked list by 'K' positions in a clockwise direction.

Example:

Input:
Linked List: 1 2 3 4 -1
K: 2
Output:
3 4 1 2
Explanation:

After rotating the linked list by 2 positions in a clockwise direction, the resultant linked list is 3 4 1 2.

Constraints:

  • 1 <= T <= 10
  • 1 <= N <= 105
  • 0 <= node.data <= 109 and node.data != -1
  • 0 <= K <= 105
AnswerBot
4mo

Rotate a linked list by K positions in a clockwise direction.

  • Traverse the linked list to find the length and the last node.

  • Connect the last node to the head to form a circular linked list.

  • Find the new...read more

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