标签：example return href edit uri lse com tis tracking
Given a linked list, remove the?nth?node from the end of list and return its head.
For example,
Given linked list: 1->2->3->4->5, and n = 2. After removing the second node from the end, the linked list becomes 1->2->3->5.Note:
Given?n?will always be valid.
Try to do this in one pass.
使用两个指针进行标记。public ListNode removeNthFromEnd(ListNode head, int n) { ListNode p1 = head; ListNode p2 = head; for(int i = 0; i < n; i ++){ p2 = p2.next; } if(p2 == null){ head = head.next; }else{ while(p2.next != null){ p1 = p1.next; p2 = p2.next; } p1.next = p1.next.next; } return head; }
Remove Nth Node From End of List
标签：example return href edit uri lse com tis tracking
原文地址：https://www.cnblogs.com/mqxnongmin/p/10538650.html
