request的生命历程 When the request leaves the browser ?, it carries information about what the user is asking for. At the least, the request will be carryi ...
分类:
编程语言 时间:
2016-11-17 12:48:08
阅读次数:
200
给你一些双向边 求有多少个割点 并输出去掉点这个点 去掉后有几个联通分量 Tarjan ...
分类:
其他好文 时间:
2016-11-12 16:19:30
阅读次数:
153
Down by the salley gardens my love and I did meet She passed the salley gardens with little snow-white feet She bid me take love easy, as the leaves g ...
分类:
其他好文 时间:
2016-10-15 11:47:57
阅读次数:
138
#-*- coding: UTF-8 -*- # Definition for a binary tree node.# class TreeNode(object):# def __init__(self, x):# self.val = x# self.left = None# self.rig ...
分类:
编程语言 时间:
2016-10-12 19:58:11
阅读次数:
305
Find the sum of all left leaves in a given binary tree. Example: 3 / \ 9 20 / \ 15 7 There are two left leaves in the binary tree, with values 9 and 1 ...
分类:
其他好文 时间:
2016-10-12 13:32:32
阅读次数:
124
Find the sum of all left leaves in a given binary tree. Example: ...
分类:
其他好文 时间:
2016-10-09 19:38:42
阅读次数:
115
Find the sum of all left leaves in a given binary tree. Example: 这道题让我们求一棵二叉树的所有左子叶的和,那么看到这道题我们知道这肯定是考二叉树的遍历问题,那么最简洁的写法肯定是用递归,由于我们只需要累加左子叶之和,那么我们在进入递归 ...
分类:
其他好文 时间:
2016-09-30 15:21:43
阅读次数:
196
Find the sum of all left leaves in a given binary tree. Example: 3 / \ 9 20 / \ 15 7 There are two left leaves in the binary tree, with values 9 and 1 ...
分类:
其他好文 时间:
2016-09-30 07:35:41
阅读次数:
112
Find the sum of all left leaves in a given binary tree. Example: 题目给出的意思很简单。就只是单纯的树的遍历而已。意思是计算出所有左叶子节点的值的和。 我采用递归的方式表示我的遍历顺序,其实主要的是要理解题目的意思,这里的叶子是最后的叶 ...
分类:
其他好文 时间:
2016-09-29 21:05:29
阅读次数:
114
Find the sum of all left leaves in a given binary tree. Example: 3 / \ 9 20 / \ 15 7 There are two left leaves in the binary tree, with values 9 and 1 ...
分类:
其他好文 时间:
2016-09-28 07:39:04
阅读次数:
89