Leetcode: Remove Nth Node From End of List

/**
 * Definition for singly-linked list.
 * struct ListNode {
 *     int val;
 *     ListNode *next;
 *     ListNode(int x) : val(x), next(NULL) {}
 * };
 */
class Solution {
public:
    ListNode *removeNthFromEnd(ListNode *head, int n) {
        ListNode eh(0);
        eh.next = head;
        
        auto handle = &eh;
        for (auto p = head; p; p=p->next) {
            if (n-- <= 0) { handle = handle->next; }
        }
        
        handle->next = handle->next->next;
        
        return eh.next;
    }
};