摘要：
Given two binary trees, write a function to check if they are equal or not.Two binary trees are considered equal if they are structurally identical and the nodes have the same value.对这道题直接采用递归遍历树，来判断这两个树是否相同 1 /** 2 * Definition for binary tree 3 * public class TreeNode { 4 * int val; 5 * ... 阅读全文
