20190610-203.remove-linked-list-elements.go

package main

/*
 * @lc app=leetcode id=203 lang=golang
 *
 * [203] Remove Linked List Elements
 */
/**
 * Definition for singly-linked list.
 * type ListNode struct {
 *     Val int
 *     Next *ListNode
 * }
 */
func removeElements(head *ListNode, val int) *ListNode {
	dummy := new(ListNode)
	dummy.Next = head
	cur := dummy
	for cur.Next != nil {
		if cur.Next.Val == val {
			cur.Next = cur.Next.Next
		} else {
			cur = cur.Next
		}
	}
	return dummy.Next
}