前几天给Ubunut装libfetion，因为libqt4-xmlpatterns无法安装，libfetion装不上。直接apt-get安装，出现这个

root@Apollo:/home/liruqi# apt-get install libqt4-xmlpatterns
Reading package lists... Done
Building dependency tree      
Reading state information... Done
Some packages could not be installed. This may mean that you have requested an impossible situation or if you are using the unstable distribution that some required packages have

为了促进社会和谐，地球和谐，本人发明死亡笔记游戏。以下是死亡笔记游戏的定义。

1。游戏定位：死亡笔记游戏是网游。

2。游戏平台：匿名P2P论坛新月（Windows下安装文件。要想参与游戏的自行下载）。

3。游戏中有四种角色：平民、杀手、警察、坏蛋。

4。游戏规则：坏蛋欺负平民；平民在新月上匿名发帖写坏蛋的详细的作恶证据并上传相关照片、

Note: This is the contest in which I advanced to Round2. The problems is not so difficult, so this note is just for my personal summary...My A and C code can be found here. http://code.google.com/codejam/contest/scoreboard?c=189252#sp=201 B code have some problem handling with precision.

A. All Your Base

For Chinese competitors, I suppose the main obstacle on this problem is

I practised @ topcoder practise room tonight, for GCJ. I choose Room310 Div1. Probably I have not posted any item tagged by Topcoder this year. This is the first~!

250P

Not a difficult problem. I just missed a case when cubes cannot build the first level complete. And failed the first system test, passed the 2ed.

500P

Description: Given a sequence length N, you are to find the median of all c