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?