August 2017
Intermediate to advanced
360 pages
8h 35m
Chinese
Content preview from 算法技术手册（原书第2 版）
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.
116
｜
第
5
章
o
ፑ
o
ᆸ
ፑጱຏ ᆸጱຏ
图 5-7：一棵简单的二叉搜索树
图 5-8：一棵退化的二叉搜索树
我们需要重新将树平衡下来避免树的过度倾斜——有些分支比其他分支长太多。平衡
AV L
树就能够在支持频繁的插入和删除操作的同时保证树的平衡。
5.5.3 解决方案
例
5-11
给出了一个简单的
BST
实现，它支持元素的添加操作。该方法采用了递归操作，
从根结点一直往下，直至找到一个空位置将其加入。
搜索算法
｜
117
搜索算法
例
5-11
：
Python
二叉搜索树的类定义
class BinaryNode:
def __init__(self, value=None):
"""
创建一个二元
结点
"""
self.value = value
self.left = None
self.right = None
def add(self, val):
"""
将带有给定值的新结点
"""
if val <= self.value:
if self.left:
self.left.add(val)
else:
self.left = BinaryNode(val)
else:
if self.right: ...
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Read now
Unlock full access
More than 5,000 organizations count on O’Reilly
O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.