分享一首好诗:托马斯·格雷的<墓地哀歌>. "ELEGY WRITTEN IN A COUNTRY CHURCH-YARD" The curfew tolls the knell of parting day,The lowing herd winds slowly o'er the lea,The ploughman homeward plods his weary way,And leaves the world to darkness and to me. Now f…

转自:http://userpage.chemie.fu-berlin.de/diverse/doc/ISO_3166.htmlCountry A 2 A 3 Number ---------------------------------------------------------------------- AALAND ISLANDS AX ALA 248 AFGHANISTAN AF AFG 004 ALBANIA AL ALB 008 ALGERIA DZ DZA 012 AMERI…

http://www.phoronix.com/scan.php?page=news_item&px=OTI2NA Note:  Something very instersting to wine translating 这个点子是对于GPU virtualization有启发...不过有很多技术和专利上的问题. MSFT HSLS -> LLVM IR -> Windows graphics driver or Linux graphic drivers. Apple GLSL -…

1073. Square Country Time limit: 1.0 secondMemory limit: 64 MB There live square people in a square country. Everything in this country is square also. Thus, the Square Parliament has passed a law about a land. According to the law each citizen of th…

题目链接:hdu 5723 Abandoned country 题目大意:N个点,M条边:先构成一棵最小生成树,然后这个最小生成树上求任意两点之间的路径长度和,并求期望 /************************************************************** Problem:hdu 5723 User: youmi Language: C++ Result: Accepted Time:2932MS Memory:22396K solution:首先注意到任…

题目传送门 /* 题意:问n最少能是几个数的平方和 01背包:j*j的土地买不买的问题 详细解释:http://www.cnblogs.com/vongang/archive/2011/10/07/2200721.html */ #include <cstdio> #include <algorithm> #include <cmath> #include <cstring> using namespace std; ; const int INF = 0x…

The Country List Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 2464    Accepted Submission(s): 576 Problem Description As the 2010 World Expo hosted by Shanghai is coming, CC is very honorabl…

HDU 5723 Abandoned country(落后渣国) Time Limit: 8000/4000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others) Description 题目描述 An abandoned country has n(n≤100000) villages which are numbered from 1 to n. Since abandoned for a long time, the r…

R2RT   Written Memories: Understanding, Deriving and Extending the LSTM Tue 26 July 2016 When I was first introduced to Long Short-Term Memory networks (LSTMs), it was hard to look past their complexity. I didn’t understand why they were designed the…

这里特别蛋疼的一件事是官方英文文档和中文文档命令参数略有不同 中文文档: //通用平台下安装指定的软件包: sudo yum install git gcc make pcre-devel php-devel //编译 git clone git://github.com/phalcon/cphalcon.git cd cphalcon/build sudo ./install //添加扩展到你的php配置文件 #Centos/RedHat: Add a file called phalcon.…

原文链接:http://remysharp.com/2010/06/03/signs-of-a-poorly-written-jquery-plugin/ 原文作者:remy sharp So far with every single workshop I’ve given, both for advanced JavaScript and jQuery for Designers, this question (or some variation thereof) has come up:…

Abandoned country 题目链接: http://acm.hdu.edu.cn/showproblem.php?pid=5723 Description An abandoned country has n(n≤100000) villages which are numbered from 1 to n. Since abandoned for a long time, the roads need to be re-built. There are m(m≤1000000) ro…

本文转自:http://www.codeproject.com/Articles/28363/How-to-convert-IP-address-to-country-name   Download source code - 1.11 MB How to retrieve a visitor's IP address Every visitor to your site or web application has an IP address. It is quite handy to be…

hbase  shell下list命令出错. [hadoop@djt002 hbase]$ hbase shell 2016-07-20 19:37:12,522 INFO  [main] Configuration.deprecation: hadoop.native.lib is deprecated. Instead, use io.native.lib.available HBase Shell; enter 'help<RETURN>' for list of supported c…

In mathematics, Church encoding is a means of representing data and operators in the lambda calculus. The data and operators form a mathematical structure which is embedded in the lambda calculus. The Church numerals are a representation of the natur…

You want to visit a strange country. There are n cities in the country. Cities are numbered from 1 to n. The unique way to travel in the country is taking planes. Strangely, in this strange country, for every two cities A and B, there is a flight fro…

安装mysql的过程中,在最后配置mysql时,提示错误:Configuration file tmeplate E:\编程\MySQL\my-template.ini could not be processed and written to E:\编程\MySQL\my.ini.Error code-1. 原因:mysql的安装目录中存在中文 解决方法:使用全英文的安装目录…

Ubuntu Manpage: ajaxterm - Web based terminal written in python hardy (1) ajaxterm.1.gz Provided by: ajaxterm_0.10-1_all NAME ajaxterm - Web based terminal written in python DESCRITPION ajaxterm is a web based terminal written in python and some AJAX…

1698. Square Country 5 Time limit: 2.0 secondMemory limit: 64 MB The first arithmetical operation taught to the children of the Square country is the calculation of squares of positive integers. At the first lesson the children are provided with “eas…

1073. Square Country Time limit: 1.0 secondMemory limit: 64 MB There live square people in a square country. Everything in this country is square also. Thus, the Square Parliament has passed a law about a land. According to the law each citizen of th…

题目链接:hdu_5723_Abandoned country 题意: 让你求最小生成树的花费,然后求任给两点的期望路程 题解: 最小生成树大家都会求,Kruskal这里要改改,因为后面要求任意两点的期望路程,我们这里Kruskal 记录下最小生成树的边,然后通过DFS把树建出来,最后找每条边经过了多少次,然后乘上对应的组合,比如样列,第一条边权为1的边,这条边左边只有一个节点,右边有3个节点,那么这条边就会经过3次,所以这条边的贡献就是1(左边点个数)*3(右边点个数)*1(边权),依次类推,…

Square Country 2 Time limit: 1.0 secondMemory limit: 64 MB The Square Parliament of the Square country (recall the corresponding problem from the USU 2001 personal contest) has decreed that the National Square Park be created. Of course, the Park sho…

Abandoned country Time Limit: 8000/4000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others) Problem Description An abandoned country has n(n<=100000)villages which are numbered from 1 to n,Since abandoned for a long time, the roads need to…

1.楼主也是第一次接触Linux  如果有错误的地方还请各位朋友指出.... 2.gcc.g++依赖库:sudo apt-get install build-essential,sudoapt-get install libtool 3.安装 pcre依赖库:sudo apt-get install libpcre3 libpcre3-dev 4.安装 zlib依赖库:sudo apt-get install zlib1g-dev 5.安装ssl依赖库:sudo apt-get install…

Description An abandoned country has n(n≤100000) villages which are numbered from 1 to n. Since abandoned for a long time, the roads need to be re-built. There are m(m≤1000000) roads to be re-built, the length of each road is wi(wi≤1000000). Guarante…

Sung by 演唱者; [例句]In the recording I have today, it is sung by a male alto.我今天带的唱片是由一位男高音歌手唱的. followed by 然后,随后:续集; [例句]Credit booms are often followed by credit busts.信贷繁荣之后通常会发生信贷泡沫破灭. Written By [例句]The book is written by Lu Xun. 这本书是鲁迅写的. The boo…

Abandoned country Time Limit: 8000/4000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 4477    Accepted Submission(s): 1124 Problem Description An abandoned country has n(n≤100000) villages which are numbered from 1…

Description In the NN country, there are n cities, numbered from 1 to n, and n−1 roads, connecting them. There is a roads path between any two cities. There are m bidirectional bus routes between cities. Buses drive between two cities taking the shor…

Problem DescriptionAn abandoned country has n(n≤100000) villages which are numbered from 1 to n. Since abandoned for a long time, the roads need to be re-built. There are m(m≤1000000) roads to be re-built, the length of each road is wi(wi≤1000000). G…

目录 题目链接 题解 代码 题目链接 AGC027 C - ABland Yard 题解 发现有解的充要条件是有一个形为AABBAABBAABB的环 此时每一个点至少与两个不同颜色的点相连 对于初始不合法的点直接删掉,判断删掉后与其相连的点是否变为不合法 类似拓扑排序 代码 #include<bits/stdc++.h> #define gc getchar() #define pc putchar inline int read() { int x = 0,f = 1; char c = g…