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摘要: class Vertex: def __init__(self,key): self.id=key self.connectedTo={} def addNeighbor(self,nbr,weight=0): self.connectedTo[nbr]=weight def __str__(self... 阅读全文
posted @ 2018-12-24 18:38 yangly 阅读(2562) 评论(0) 推荐(0)
摘要: class BinarySearchTree: def __init__(self): self.root=None self.size=0 def length(self): return self.size def __len__(self): return self.size ... 阅读全文
posted @ 2018-12-24 13:14 yangly 阅读(298) 评论(0) 推荐(0)
摘要: class BinHeap: def __init__(self): self.heapList = [0] self.currentSize = 0 def percUp(self,i): while i // 2 > 0: if self.heapList[i] self.heapList... 阅读全文
posted @ 2018-12-24 10:25 yangly 阅读(296) 评论(0) 推荐(0)
摘要: 安装phantomjs下载地址:http://phantomjs.org/download.html下载后解压缩,启动phantomjsE:\phantomjs-2.1.1-windows\bin执行phantomjs.exe 阅读全文
posted @ 2018-12-20 17:17 yangly 阅读(464) 评论(0) 推荐(0)
摘要: 1、新建文件config.json,内容如下,文件放在pyspider文件夹下,路径为C:\Windows\System32\cmd.exe 2、安装redis,在redis文件夹下启动终端,运行命令启动redis服务端E:\redis>redis-server.exe redis.windows. 阅读全文
posted @ 2018-12-20 11:02 yangly 阅读(1419) 评论(0) 推荐(0)
摘要: #列表表示树 def BinaryTree(r): return [r, [], []] def insertLeft(root,newBranch): t = root.pop(1) if len(t) > 1: root.insert(1,[newBranch,t,[]]) else: root.insert(1,[new... 阅读全文
posted @ 2018-12-20 10:22 yangly 阅读(878) 评论(0) 推荐(0)
摘要: class Node: def __init__(self,initdata): self.data = initdata self.next = None def getData(self): return self.data def getNext(self): return self.next ... 阅读全文
posted @ 2018-12-18 15:47 yangly 阅读(546) 评论(0) 推荐(0)
摘要: from pythonds.basic.deque import Deque class Deque: def __init__(self): self.items = [] def isEmpty(self): return self.items == [] def addFront(self, item): se... 阅读全文
posted @ 2018-12-18 14:53 yangly 阅读(251) 评论(0) 推荐(0)
摘要: from pythonds.basic.queue import Queue import random def hotPotato(namelist,num): simqueue = Queue() for name in namelist: simqueue.enqueue(name) while simqueue.size()>1: ... 阅读全文
posted @ 2018-12-18 14:37 yangly 阅读(231) 评论(0) 推荐(0)
摘要: from pythonds.basic.stack import Stack def parChecker(symbolString): s=Stack() balanced=True index=0 while index 0: rem = decNumber % 2 remstack.push(rem) d... 阅读全文
posted @ 2018-12-18 11:46 yangly 阅读(344) 评论(0) 推荐(0)
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