07 2021 档案

左右指针回文
摘要：public static boolean isLooped(int num) { StringBuilder strBuilder = new StringBuilder(String.valueOf(num)); int l = 0; //左指针 int r = strBuilder.lengt 阅读全文
posted @ 2021-07-09 13:38 人在京城 阅读(53) 评论(0) 推荐(0)
二叉树的前、中、后序及层次排列
摘要：public static void main(String[] args) { Tree treeG = new Tree('G', null, null); Tree treeD = new Tree('D', null, null); Tree treeF = new Tree('F', nu 阅读全文
posted @ 2021-07-01 11:25 人在京城 阅读(195) 评论(0) 推荐(0)