Google has deprecated HttpClientChoose an HTTP
ClientMost network-connected Android apps use HTTP to send and receive data.
Android includes two HTTP ...
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其他好文 时间：
2014-05-27 01:12:43
阅读次数：
343
python的set和其他语言类似, 是一个无序不重复元素集, 基本功能包括关系测试和消除重复元素.
集合对象还支持union(联合), intersection(交), difference(差)和sysmmetric
difference(对称差集)等数学运算.sets 支持x in set,l...
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编程语言 时间：
2014-05-27 01:08:23
阅读次数：
297
题目：Given two binary trees, write a function to
check if they are equal or not.Two binary trees are considered equal if they are
structurally identical...
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其他好文 时间：
2014-05-23 12:40:21
阅读次数：
352
题目链接Given two numbers represented as strings,
return multiplication of the numbers as a string.Note: The numbers can be
arbitrarily large and are non-...
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其他好文 时间：
2014-05-19 14:10:25
阅读次数：
250
题目链接 You are given two linked lists representing
two non-negative numbers. The digits are stored in reverse order and each of
their nodes contain a si...
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其他好文 时间：
2014-05-19 13:53:32
阅读次数：
296
Given two binary strings, return their sum
(also a binary string).For example,a ="11"b ="1"Return"100".public class
Solution { public String addBin...
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其他好文 时间：
2014-05-19 12:15:49
阅读次数：
220
You are given two linked lists representing two
non-negative numbers. The digits are stored in reverse order and each of their
nodes contain a single ...
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其他好文 时间：
2014-05-19 12:05:23
阅读次数：
386
【题目】
Given a linked list, swap every two adjacent nodes and return its head.
For example,
Given 1->2->3->4, you should return the list as 2->1->4->3.
Your algorithm should use only constant space. You may not modify the values in the list, only nodes it...
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其他好文 时间：
2014-05-18 08:37:57
阅读次数：
370
题目：给定一个数组，以及一个 target 值，target 表示目标和，要求在数组中找到两个数，xi，xj，使得 xi + xj = target。返回值是找到的两个数的下标索引，升序排序。假定至少存在一对解。
分析：对于要处理数组的问题，我们的理想状态都是给定的数组是有序的就好了，在有序后，我们就可以首位各放一个标记。类似于二分查找。
vector twoSum(vector &n...
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其他好文 时间：
2014-05-18 08:04:03
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234
Problem Description
For a decimal number x with n digits (AnAn-1An-2 ... A2A1), we define its weight as F(x) = An * 2n-1 + An-1 * 2n-2 + ... + A2 * 2 + A1 *
1. Now you are given two numbers A and...
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其他好文 时间：
2014-05-18 06:35:50
阅读次数：
300
