19. Remove Nth Node From End of List

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Given the head of a linked list, remove the nth node from the end of the list and return its 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] Constraints: - The number of nodes in the list is sz. - 1 <= sz <= 30 - 0 <= Node.val <= 100 - 1 <= n <= sz Follow up: Could

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solution.cppC++17

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