Solution: Rotate List
Explore how to rotate a singly linked list to the right by k positions through efficient in-place manipulation. This lesson guides you step-by-step to transform the list using a circular linking technique, optimizing traversal and avoiding unnecessary rotations. Understand the algorithm's time and space complexity to apply it confidently in coding interviews and real-world problems.
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Statement
You are given the head of a singly linked list and a non-negative integer k. Your task is to rotate the list to the right by k positions.
A right rotation by 1 means the last node becomes the new head, and every other node shifts one position to the right.
Return the head of the rotated linked list.
Constraints:
The number of nodes in the list is in the range
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