北大ACM题库（3000多道题）_北大acm题库资源-CSDN文库

共2000个文件

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3209--frompythagorasto鈥html：1个

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北京大学ACM题库是编程竞赛领域的一份宝贵资源，包含了超过3000道精心设计的编程题目。这些题目旨在帮助参赛者提升算法设计、逻辑思维以及问题解决能力，尤其对于那些希望在ACM（国际大学生程序设计竞赛，International Collegiate Programming Contest）中取得优秀成绩的学子来说，更是不可或缺的学习材料。 ACM竞赛是一项全球性的大学生编程比赛，它强调团队合作，要求参赛队伍在五小时内解决一系列复杂的算法问题。这些问题涵盖了计算机科学的多个领域，包括但不限于数据结构、图论、动态规划、排序与搜索算法、数学问题、编码理论等。通过解答这些题目，参赛者不仅可以提高编程技巧，还能锻炼快速理解和解决问题的能力。这个题库中的3000多道题目，每一题都是精心设计的，难度各异，适合不同程度的选手进行训练。初级选手可以从基础题目入手，学习基本的编程概念和算法；而对已经有一定基础的选手，更可以挑战高级题目，深入研究复杂算法和优化技巧。这些题目通常会给出具体的问题描述，参赛者需要根据描述设计出合适的算法，然后用C、C++、Java或Python等编程语言编写程序来求解。 HTML格式的题库便于阅读和在线练习，用户可以通过浏览器直接查看题目，同时也可以方便地将题目复制到编程环境中进行调试和测试。此外，这种格式还允许用户添加注释、高亮关键部分，甚至可以配合Markdown等工具进行进一步的格式化和解析。在ACM竞赛中，能够完成1000道以上题目的选手通常被认为具有非常高的算法水平和问题解决能力。这是因为每道题目背后都涉及到不同的知识领域和思维模式，解决这些问题需要深厚的理论基础、丰富的实践经验以及良好的编程习惯。通过深入学习和实践这个题库，你不仅可以提升自己的编程技能，还有机会接触到一些前沿的计算机科学问题。这不仅对参加ACM竞赛有益，也为将来从事科研工作或进入软件开发行业奠定了坚实的基础。因此，无论你是初学者还是经验丰富的程序员，这份北大ACM题库都将是你提升算法能力、拓宽视野的宝贵资料。

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北大ACM题库（3000多道题）（2000个子文件）

1030--Rating.html 19KB

1592--Postscript.html 16KB

3113--TheHaltingProblem.html 15KB

1115--StatisticalTrouble.html 15KB

3081--CoreWars.html 15KB

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2123--Artinals.html 14KB

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3242--3-dimensionalMusicalWater-fence.html 13KB

3202--AVerySimpleCompiler.html 12KB

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2050--SearchingtheWeb.html 12KB

3152--Exchange.html 12KB

1858--InterestingMazeGame.html 12KB

2207--IntuitionisticLogic.html 12KB

3383--Equation.html 12KB

1594--MessageRouting.html 12KB

1108--SplitWindows.html 12KB

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1893--MonitoringWheelchairPatients.html 12KB

1560--18WheelerCaravans(akaSemigroups).html 12KB

1994--Logic.html 12KB

1705--GenerationalReplacement.html 12KB

2278--HistologyAssistant.html 11KB

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2963--LazyEvaluation.html 11KB

2683--Ohgas'Fortune.html 11KB

1822--Fence2.html 11KB

1413--GIGAUniverseCup.html 11KB

2911--Simplifiedλ-evaluations.html 11KB

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1881--SailRace.html 11KB

2806--JankenTactics.html 11KB

1924--TheTreasure.html 11KB

1449--Enigma.html 11KB

1301--The Umbrella Problem 2054.html 11KB

1404--I-Keyboard.html 11KB

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1249--OilPipeline.html 11KB

1892--VTAS-VesselTrafficAdvisoryService.html 11KB

1542--DNATranslation.html 11KB

2953--NashEquilibrium.html 11KB

1596--GearsonaBoard.html 11KB

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1345--AddressRecovery.html 11KB

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3196--BabylonianRoulette.html 10KB

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3161--NumericalIntegration.html 10KB

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3008--HexerpentsofHexwamp.html 10KB

1880--VariableRadixHuffmanEncoding.html 10KB

1049--MicroprocessorSimulation.html 10KB

1073--TheWillyMemorialProgram.html 10KB

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2003--HireandFire.html 10KB

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1911--AWell-FormedProblem.html 10KB

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<html><head><meta http-equiv="Pragma" content="no-cache"><meta http-equiv="Content-Type" content="text/html; charset=utf-8"><meta http-equiv="Content-Language" content="en-US"><title>1030 -- Rating</title><link rel=stylesheet href='poj.css' type='text/css'><link rel='shortcut icon' href='poj.ico'><link rel='icon' href='poj.gif' type='image/gif'><script src='poj.js' language='javascript'></script></head><body lang="en-US" leftmargin=5 link=blue alink=blue vlink=blue onkeydown=KeyDown(event)><a name=top></a><TABLE style='BORDER-COLLAPSE: collapse' borderColor=#ffffff width=100% border=1><TBODY><TR><TD align=CENTER colSpan=5><table class=h1 cellpadding=0><tr><td width=25% align=left><img src='images/logo1.jpg' height=100 border=0></td><td colspan=3 bgcolor='#EAEFFD'><table class=h2><tr><td><img border=0 src='images/logo0.gif' width=450 height=90></td><td width=95><img border=0 src='images/logo3.gif' width=95 height=95></td></tr></table></td></tr></table></TD></TR><TR vAlign=top align=CENTER bgColor=#6589d1><TH class=h>Online Judge</TH><TH class=h>Problem Set</TH><TH class=h>Authors</TH><TH class=h>Online Contests</TH><TH class=h>User</TH></TR><TR vAlign=top align=CENTER bgColor='#f1f1fd'><TD class='h' onMouseOver='scbg(this, 1)' onMouseOut='scbg(this, 0)'><A href='bbs'>Web Board</A><BR><A href='http://222.178.203.72:19005/whst/63/=cnvmknZczbrcmzmds///download/caolianqiang/'>Home Page</A><BR><A href='faq.htm' target=_blank>F.A.Qs</A><BR><a href='chart'>Statistical Charts</a></TD><TD class='h' onMouseOver='scbg(this, 1)' onMouseOut='scbg(this, 0)'><FORM action=gotoproblem method=get><A href='problemlist'>Problems</A><BR><A href='submit'>Submit Problem</A><BR><A href='status'>Online Status</A><BR><font color=blue>Prob.ID:</font><input type=text name=pid size=6><input type=Submit value=Go name=pb1></form></td><TD class='h' onMouseOver='scbg(this,1)' onMouseOut='scbg(this,0)'><form method=GET action=searchuser><a href=register>Register</a><br><a href=modifyuser>Update your info</a><br><a href=userlist>Authors ranklist</a><br><input type=text name=key size=10><input type=Submit value=Search name=B1></form></TD> <TD class=h onMouseOver='scbg(this,1)' onMouseOut='scbg(this,0)'><font color=#1a5cc8>Current Contest</font><br><a href=pastcontests>Past Contests</a><br><a href=contests>Scheduled Contests</a><br><a href=awardcontest_announce.htm target=_blank><font color=red>Award Contest</font></a></td><TD align=left class=h onMouseOver='scbg(this,1)' onMouseOut='scbg(this,0)'><form method=POST action=login><table><tr><td>User ID:</td><td><input type=text name=user_id1 size=10 style='font-family:monospace'></td></tr><tr><td>Password:</td><td><input type=password name=password1 size=10 style='font-family:monospace'></td></tr></table><input type=Submit value=login name=B1>  <a href=register target=_parent>Register</a><input type=hidden name=url value=/JudgeOnline/problem?id=1030></form><script lang='text/javascript'>document.getElementsByName('user_id1')[0].focus();</script></td></TR></TABLE><table border=0 width=100% background=images/table_back.jpg><tr><td> <div style='position: absolute; right: 10px;'>Language:<select size=1 onChange="window.location.href='problem?id=1030&lang='+this.value+'&change=true'"><option value='default' selected>Default</option></select></div><div lang="en-US" align=center style="font-weight:bold"><font color=blue size=5>Rating</font></div> <table align=center><tr><td><b>Time Limit:</b> 1000MS</td><td width="10px"></td><td><b>Memory Limit:</b> 10000K</td></tr><tr><td><b>Total Submissions:</b> 393</td><td width="10px"></td><td><b>Accepted:</b> 80</td></table><p><font color=blue size=5>Description</font><br><font face="Times New Roman" size=3>One of the participants of both regional contests which took place in St. Petersburg decided to determine overall rating for all teams that took part in at least one contest. <br>This participant assigned each team a unique team identifier, which was an integer from 1 to 100 inclusively. For each contest team identifiers of the participating teams were written in a column according to their place in that contest. Identifiers of the teams that had equal results were written on the same line. The participant started with the team(s) that was(were) the best in that contest (writing them on the first line) and continued in the order of decreasing results. <br>Definition: Let's say that the team has place K in the contest if exactly K-1 teams performed in that contest better. <br>Consider the following examples of two contests' results: <br><table border="1" cellspacing="0" cellpadding="0"> <tr> <td width="347" colspan="2" valign="top" <p class="MsoNormal" align="center" style="text-align:center"><span lang="EN-US">Contest no. 1<o:p> </o:p> </span></p> </td> <td width="347" colspan="2" valign="top" > <p class="MsoNormal" align="center" style="text-align:center"><span lang="EN-US">Contest no. 2<o:p> </o:p> </span></p> </td> </tr> <tr> <td width="174" valign="top" > <p class="MsoNormal" align="right" style="text-align:right"><span lang="EN-US" class="Treatasvalue">place<o:p> </o:p> </span></p> </td> <td width="174" valign="top" > <p class="MsoNormal"><span lang="EN-US" class="Treatasvalue">team's id<o:p> </o:p> </span></p> </td> <td width="174" valign="top"> <p class="MsoNormal" align="right" style="text-align:right"><span lang="EN-US" class="Treatasvalue">place<o:p> </o:p> </span></p> </td> <td width="174" valign="top"> <p class="MsoNormal"><span lang="EN-US" class="Treatasvalue">team's id<o:p> </o:p> </span></p> </td> </tr> <tr> <td width="174" valign="top" > <p class="MsoNormal" align="right" style="text-align:right"><span lang="EN-US">1<o:p> </o:p> </span></p> </td> <td width="174" valign="top"> <p class="MsoNormal"><span lang="EN-US">9<o:p> </o:p> </span></p> </td> <td width="174" valign="top" > <p class="MsoNormal" align="right" style="text-align:right"><span lang="EN-US">1<o:p> </o:p> </span></p> </td> <td width="174" valign="top" > <p class="MsoNormal"><span lang="EN-US">3<o:p> </o:p> </span></p> </td> </tr> <tr> <td width="174" valign="top" > <p class="MsoNormal" align="right" style="text-align:right"><span lang="EN-US">2<o:p> </o:p> </span></p> </td> <td width="174" valign="top" > <p class="MsoNormal"><span lang="EN-US">7 1 4<o:p> </o:p> </span></p> </td> <td width="174" valign="top" > <p class="MsoNormal" align="right" style="text-align:right"><span lang="EN-US">2<o:p> </o:p> </span></p> </td> <td width="174" valign="top" > <p class="MsoNormal"><span lang="EN-US">5<o:p> </o:p> </span></p> </td> </tr> <tr> <td width="174" valign="top" > <p class="MsoNormal" align="right" style="text-align:right"><span lang="EN-US">5<o:p> </o:p> </span></p> </td> <td width="174" valign="top" > <p class="MsoNormal"><span lang="EN-US">5<o:p> </o:p> </span></p> </td> <td width="174" valign="top" > <p class="MsoNormal" align="right" style="text-align:right"><span lang="EN-US">3<o:p> </o:p> </span></p> </td> <td width="174" valign="top" > <p class="MsoNormal"><span lang="EN-US">1 10<o:p> </o:p> </span></p> </td> </tr> <tr> <td width="174" valign="top" > <p class="MsoNormal" align="right" style="text-align:right"><span lang="EN-US">6<o:p> </o:p> </span></p> </td> <td width="174" valign="top" > <p class="MsoNormal"><span lang="EN-US">15 8<o:p> </o:p> </span></p> </td> <td width="174" valign="top" > <p class="MsoNormal" align="right" style="text-align:right"><span lang="EN-US">5<o:p> </o:p> </span></p> </td> <td width="174" valign="top" > <p class="MsoNormal"><span lang="EN-US">6<o:p> </o:p> </span></p> </td

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