在O(1)时间复杂度删除链表节点

题目

解题

/**
* Definition for ListNode.
* public class ListNode {
*     int val;
*     ListNode next;
*     ListNode(int val) {
*         this.val = val;
*         this.next = null;
*     }
* }
*/
public class Solution {
/**
* @param node: the node in the list should be deleted
* @return: nothing
*/
public void deleteNode(ListNode node) {
// write your code here
if(node==null)
return;
node.val = node.next.val;
node.next = node.next.next;

}
}