Medium

Quiz

#61 Rotate List

APPROACH

Right-rotate linked list head by k positions and return the new head.

Example 1:

Input: head = [1,2,3,4,5], k = 2
Output: [4,5,1,2,3]

Example 2:

Input: head = [0,1,2], k = 4
Output: [2,0,1]
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What is the optimal approach for this problem?