Medium
Quiz
#19 Remove Nth Node From End of List
APPROACH
Remove the nth node counting from the tail of linked list head and return the updated head.
Example 1:
Input: head = [1,2,3,4,5], n = 2
Output: [1,2,3,5]
Example 2:
Input: head = [1], n = 1
Output: []
Example 3:
Input: head = [1,2], n = 1
Output: [1]
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What is the optimal approach for this problem?