I know that heaps are always complete binary trees.
我知道堆总是完全二叉树。
As I said, binary trees are a very efficient and fast way of sorting.
正如我所说，二叉树排序是一种非常有效且快速的方法。
Given two binary trees, write a function to check if they are equal or not.
题目大意：给定两个二叉树，判断两者是否是相同的二叉树。即结构相同且对应节点的值也相同。
Binary trees are the most fundamental and important data structures used in computer science.
二叉树是计算机科学中最基本的也是最重要的树型数据结构。
Binary trees are the most fundamental and important data structures used in computer science.
二叉树是计算机科学中最基本的也是最重要的树型数据结构。
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