/**
 * File: ListNode.kt
 * Created Time: 2024-01-25
 * Author: curtishd (1023632660@qq.com)
 */

package utils

/* 链表节点 */
class ListNode(var value: Int) {
    var next: ListNode? = null

    companion object {
        /* 将列表序列化为链表 */
        fun arrToLinkedList(arr: IntArray): ListNode? {
            val dum = ListNode(0)
            var head = dum
            for (value in arr) {
                head.next = ListNode(value)
                head = head.next!!
            }
            return dum.next
        }

        /* 获取链表中值为 value 的节点 */
        fun getListNode(h: ListNode, value: Int): ListNode {
            var head = h
            while (head.value != value) {
                head = head.next!!
            }
            return head
        }
    }
}