访问 http://www.stickpeople.com/projects/python/win-psycopg/
根据Python版本和处理器版本下载相应的psycopg2安装文件到本地。
下载完毕后不要双击执行，假设安装文件放在 C:\ ，virtualenv目录为 C:\virtualenv，执行如下命令：
C:\> C:\virtualenv\Scripts\activate.bat (virtualenv) C:\> easy_install psycopg2-2.6.2.win32-py2.7-pg9.5.3-release.exe
LeetCode Weekly Contest 27是LeetCode举办的第三十二场正式周赛，共4道题目，比赛时长1.5小时。
比赛链接：https://leetcode.com/contest/leetcode-weekly-contest-27/
题解列表：
LeetCode 557. Reverse Words in a String III
LeetCode 549. Binary Tree Longest Consecutive Sequence II
Given a binary tree, you need to find the length of Longest Consecutive Path in Binary Tree.
Especially, this path can be either increasing or decreasing. For example, [1,2,3 ...
LeetCode 556. Next Greater Element III
Given a positive 32-bit integer n, you need to find the smallest 32-bit integer which has exactly the same digits existing in the integer n and is greater in value than n. If ...
There is a brick wall in front of you. The wall is rectangular and has several rows of bricks. The bricks have the same height but different width. You want to draw a vertical line ...