package q148

import "slices"

type ListNode struct {
	Val  int
	Next *ListNode
}

func sortList(head *ListNode) *ListNode {
	if head == nil {
		return nil
	}

	arr := []*ListNode{}
	for head != nil {
		arr = append(arr, head)
		head = head.Next
	}

	slices.SortFunc(arr, func(a, b *ListNode) int { return a.Val - b.Val })
	for i := range arr {
		if i == len(arr)-1 {
			arr[i].Next = nil
		} else {
			arr[i].Next = arr[i+1]
		}
	}
	return arr[0]
}

var _ = sortList