题解 | #删除链表峰值#

package main

import . "nc_tools"

/*
 * type ListNode struct{
 *   Val int
 *   Next *ListNode
 * }
 */

/**
 * 代码中的类名、方法名、参数名已经指定，请勿修改，直接返回方法规定的值即可
 *
 *
 * @param head ListNode类
 * @return ListNode类
 */
func deleteNodes(head *ListNode) *ListNode {
	// write code here
	if head == nil || head.Next == nil {
		return head
	}

	p := head
	q := head.Next

	for q.Next != nil {
		if p.Val < q.Val && q.Val > q.Next.Val {
			p.Next = q.Next
			q = q.Next
		} else {
			p = q
			q = q.Next
		}
	}
	return head
}