qq_43239937的博客

question Given a list of strings words representing an English Dictionary, find the longest word in words that can be built one character at a time by other words in words. If there is more than one p...

类继承关系

例一自定义比较函数：Arrays.sort(tmp,new Comparator(){} 给你一个整数数组 arr 。请你将数组中的元素按照其二进制表示中数字 1 的数目升序排序。 如果存在多个数字二进制中 1 的数目相同，则必须将它们按照数值大小升序排列。 请你返回排序后的数组。 数据 输入：arr = [0,1,2,3,4,5,6,7,8] 输出：[0,1,2,4,8,3,5,6,7] 解释：...