import { default } from "https://deno.land/x/masx200_leetcode_test@7.6.4/4ueAj6/index.ts";
Definition for node. class Node { val: number next: Node | null constructor(val?: number, next?: Node) { this.val = (val===undefined ? 0 : val); this.next = (next===undefined ? null : next); } }
Parameters
head: Node | null