206. 反转链表
<p>206. 反转链表</p><p>1:17:41</p>
<p><img alt="" loading="lazy"></p>
<pre><code class="language-js">/**
* Definition for singly-linked list.
* function ListNode(val, next) {
* this.val = (val===undefined ? 0 : val)
* this.next = (next===undefined ? null : next)
* }
*/
/**
* @param {ListNode} head
* @return {ListNode}
*/
var reverseList = function(head) {
if(!head)return null;
let pre=null,cur=head;
while(cur){
=
// let next=cur.next;
// cur.next=pre;
// pre=cur;
// cur=next;
}
return pre;
};
</code></pre>
<p>1</p><br><br>
来源：https://www.cnblogs.com/KooTeam/p/19818561
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