题目：Remove Duplicates from Sorted List

Given a sorted linked list, delete all duplicates such that each element appear only once .

给一个排好序的 链表 ，删除其中重复的元素

思路

简单的循环，删除链表节点的操作

code

func deleteDuplicates(head *ListNode) *ListNode {
cur := head
for cur !=  nil  && cur.Next != nil {
if cur.Next.Val == cur.Val {
cur.Next = cur.Next.Next
} else {
cur = cur.Next
}
}
return head
}
 

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