摘要: import java.util.HashMap; //Definition for binary tree class TreeNode { int val; TreeNode left; TreeNode right; TreeNode(int x) { val = x; } } /** * 目 阅读全文
posted @ 2020-08-06 12:13 Adom_ye 阅读(83) 评论(0) 推荐(0) 编辑
摘要: import java.util.ArrayList; import java.util.Stack; class ListNode { int val; ListNode next = null; ListNode(int val) { this.val = val; } } /** * 目标:输 阅读全文
posted @ 2020-08-06 10:54 Adom_ye 阅读(90) 评论(0) 推荐(0) 编辑