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RSS订阅原创 10878 - Decode the tape
<br />Decode the tape<br />Time Limit: 1 second<br /> <br />"Machines take me by surprise with great frequency."Alan Turing<br />Your boss has just unearthed a roll of old computer tapes. The tapes have holes in them and might contain some sort of useful i
2011-01-09 12:50:00
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原创 409 - Excuses, Excuses!
<br />Excuses, Excuses! <br />Judge Ito is having a problem with people subpoenaed for jury duty giving rather lame excuses in order to avoid serving. In order to reduce the amount of time required listening to goofy excuses, Judge Ito has asked that you w
2011-01-09 12:48:00
347
原创 537 - Artificial Intelligence?
<br />Artificial Intelligence? <br />Physics teachers in high school often think that problems given as text are more demanding than pure computations. After all, the pupils have to read and understand the problem first! <br />So they don't state a problem
2011-01-09 12:47:00
427
原创 10361 - Automatic Poetry
<br />Automatic Poetry <br />Input: standard input<br />Output: standard output<br />Time Limit: 2 seconds<br />Memory Limit: 32 MB<br /> <br />“Oh God”, Lara Croft exclaims, “it’s one of these dumb riddles again!”<br /> <br />In Tomb Raider XIV, Lara is,
2011-01-09 12:45:00
241
原创 10010 - Where's Waldorf?
<br />Where's Waldorf? Given a m by n grid of letters, ( <br />), and a list of words, find the location in the grid at which the word can be found. A word matches a straight, uninterrupted line of letters in the grid. A word can match the letters in the g
2011-01-09 12:43:00
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原创 401 - Palindromes
<br />Palindromes <br />A regular palindrome is a string of numbers or letters that is the same forward as backward. For example, the string "ABCDEDCBA" is a palindrome because it is the same when the string is read from left to right as when the string is
2010-12-29 15:18:00
197
原创 445 - Marvelous Mazes
Marvelous Mazes Your mission, if you decide to accept it, is to create a maze drawing program. A maze will consist of the alphabetic characters A-Z, * (asterisk), and spaces. Input and OutputYour program will get the information for the mazes from the inp
2010-12-29 15:15:00
239
原创 10300 - Ecological Premium
<br />Problem A<br />Ecological Premium<br />Input: standard input<br />Output: standard output<br />Time Limit: 1 second<br />Memory Limit: 32 MB<br />German farmers are given a premium depending on the conditions at their farmyard. Imagine the following
2010-12-29 15:12:00
263
原创 10055 - Hashmat the Brave Warrior
Problem AHashmat the brave warriorInput: standard inputOutput: standard outputHashmat is a brave warrior who with his group of young soldiers moves from one place to another to fight against his opponents. Before fighting he just calculates one thing, th
2010-12-29 15:07:00
380
原创 ssh自动登录设置
<br />SSH信任关系（Public-key authentication），是指一台机器上的一个用户信任另一个机器上的一个用户，允许不输入密码登录。<br />现要将机器A的用户A添加到机器B的用户B的信任列表里，使用户A可以直接ssh到机器B的用户B目录而无需输入密码。<br />操作步骤：<br /> 1、在机器A上。进入.ssh目录：cd /home/userA/.ssh（如果没有就新建），检查该目录下是否有 id_rsa或 id_dsa ，如果没有，执行ssh-keygen -t rsa或s
2010-12-29 14:54:00
286
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