problem0083

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83. Remove Duplicates from Sorted List

题目

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

For example,
Given 1->1->2, return 1->2.
Given 1->1->2->3->3, return 1->2->3.

解题思路

见程序注释

Documentation

Index

• type ListNode

Types

type ListNode

type ListNode struct {
	Val  int
	Next *ListNode
}

ListNode is singly-linked list