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二叉树概念

Course video 26 of 47

你是不是发现,在线性表中查找一个元素每次都要遍历整个表?效率如此低下,怎么改进呢?解决方案是使用非线性的数据结构——树型结构,这一章主要介绍一种最基础而最重要的非线性结构——二叉树。 二叉树有哪些性质?如何在一棵二叉树中寻找一个特定的元素?如何来实现一棵二叉树?学习完这一模块,你会对二叉树的概念,以及一些简单的相关操作有基本的了解。 重点:二叉树、满二叉树、完全二叉树的概念和性质,二叉树的前中后序各种深度优先遍历,二叉树宽度优先遍历。 难点:栈在二叉树非递归深搜中的应用。

Peking University
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