LeetCode：83.删除排序链表中的重复元素
<p>LeetCode：83.删除排序链表中的重复元素</p><pre><code class="language-js">class ListNode {
constructor(val, next) {
this.val = (val === undefined ? 0 : val)
this.next = (next === undefined ? null : next)
}
}
var deleteDuplicates = function(head) {
let p=head
//head have val next
while(p&&p.next){
if(p.val===p.next.val){
p.next=p.next.next
}else{
p=p.next
}
}
// p have next not val
return head
};
let arr =
let head=buildLinkedList(arr)
console.log(deleteDuplicates(head));
function buildLinkedList(arr) {
let head = new ListNode(0);
let p = head;
for (let i = 0; i < arr.length; i++) {
p.next = new ListNode(arr);
p = p.next;
}
return head.next;
}
</code></pre><br><br>
来源：https://www.cnblogs.com/KooTeam/p/18664730
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