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Pyramid SplitTime Limit: 1 Sec Memory Limit: 256 MB题目连接http://bestcoder.hdu.edu.cn/contests/contest_chineseproblem.php?cid=629&pid=1001Description小明是城... 阅读全文
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B. Invariance of TreeTime Limit: 1 Sec Memory Limit: 256 MB题目连接http://codeforces.com/contest/576/problem/BDescriptionA tree of sizenis an undirected c... 阅读全文
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C. Points on PlaneTime Limit: 1 Sec Memory Limit: 256 MB题目连接http://codeforces.com/contest/576/problem/CDescriptionOn a plane arenpoints (xi,yi) with i... 阅读全文
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C. Vasya and Petya's GameTime Limit: 1 Sec Memory Limit: 256 MB题目连接http://codeforces.com/contest/577/problem/CDescriptionVasya and Petya are playing a... 阅读全文
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B. Modulo SumTime Limit: 1 Sec Memory Limit: 256 MB题目连接http://codeforces.com/contest/577/problem/BDescriptionYou are given a sequence of numbersa1, a2... 阅读全文
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A. Multiplication TableTime Limit: 1 Sec Memory Limit: 256 MB题目连接http://codeforces.com/contest/577/problem/ADescriptionLet's consider a table consisti... 阅读全文
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JapanTime Limit: 1 Sec Memory Limit: 256 MB题目连接http://acm.uestc.edu.cn/#/problem/show/383DescriptionJapan plans to welcome the ACM ICPC World Finals a... 阅读全文
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1800: [Ahoi2009]fly 飞行棋Time Limit: 1 Sec Memory Limit: 256 MB题目连接http://www.lydsy.com/JudgeOnline/problem.php?id=1800Description给出圆周上的若干个点，已知点与点之间的弧长，... 阅读全文
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1452: [JSOI2009]CountTime Limit: 1 Sec Memory Limit: 256 MB题目连接http://www.lydsy.com/JudgeOnline/problem.php?id=1452DescriptionInputOutputSample InputS... 阅读全文
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傲娇的人Time Limit: 1 Sec Memory Limit: 256 MB题目连接http://acm.uestc.edu.cn/#/problem/show/1151Description有N个傲娇的人，你要指派他们去完成工作。只有当现在被指派的人完成了工作，你才能指派下一个。每个人完成... 阅读全文
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1877: [SDOI2009]晨跑Time Limit: 1 Sec Memory Limit: 256 MB题目连接http://www.lydsy.com/JudgeOnline/problem.php?id=1877DescriptionElaxia最近迷恋上了空手道，他为自己设定了一套健身... 阅读全文
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1028: [JSOI2007]麻将Time Limit: 1 Sec Memory Limit: 256 MB题目连接http://www.lydsy.com/JudgeOnline/problem.php?id=1028Description麻将是中国传统的娱乐工具之一。麻将牌的牌可以分为字牌（... 阅读全文
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2241: [SDOI2011]打地鼠Time Limit: 1 Sec Memory Limit: 256 MB题目连接http://www.lydsy.com/JudgeOnline/problem.php?id=2241Description打地鼠是这样的一个游戏：地面上有一些地鼠洞，地鼠们会... 阅读全文
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1927: [Sdoi2010]星际竞速Time Limit: 1 Sec Memory Limit: 256 MB题目连接http://www.lydsy.com/JudgeOnline/problem.php?id=1927Description10 年一度的银河系赛车大赛又要开始了。作为全银河... 阅读全文
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WalkTime Limit: 1 Sec Memory Limit: 256 MB题目连接http://acm.hdu.edu.cn/showproblem.php?pid=5001DescriptionI used to think I could be anything, but now I ... 阅读全文
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1090: [SCOI2003]字符串折叠Time Limit: 1 Sec Memory Limit: 256 MB题目连接http://www.lydsy.com/JudgeOnline/problem.php?id=1090Description折叠的定义如下： 1. 一个字符串可以看成它自身... 阅读全文
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[ZJOI2008]泡泡堂BNBTime Limit: 1 Sec Memory Limit: 256 MB题目连接http://www.lydsy.com/JudgeOnline/problem.php?id=1034Description第XXXX届NOI期间，为了加强各省选手之间的交流，组委会... 阅读全文
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2150: 部落战争Time Limit: 1 Sec Memory Limit: 256 MB题目连接http://www.lydsy.com/JudgeOnline/problem.php?id=2150Descriptionlanzerb的部落在A国的上部，他们不满天寒地冻的环境，于是准备向A... 阅读全文
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2298: [HAOI2011]problem aTime Limit: 1 Sec Memory Limit: 256 MB题目连接http://www.lydsy.com/JudgeOnline/problem.php?id=2298Description一次考试共有n个人参加，第i个人说：“有... 阅读全文
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2257: [Jsoi2009]瓶子和燃料Time Limit: 1 Sec Memory Limit: 256 MB题目连接http://www.lydsy.com/JudgeOnline/problem.php?id=2257Descriptionjyy就一直想着尽快回地球，可惜他飞船的燃料不够... 阅读全文
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求两个数列的子列的交集Time Limit: 1 Sec Memory Limit: 256 MB题目连接http://acm.uestc.edu.cn/#/problem/show/1104Description给两个数列A, B，长度分别为n1, n2，保证A中每个元素互不相同，保证B中每个元素... 阅读全文
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1934: [Shoi2007]Vote 善意的投票Time Limit: 1 Sec Memory Limit: 256 MB题目连接http://www.lydsy.com/JudgeOnline/problem.php?id=1934Description幼儿园里有n个小朋友打算通过投票来决定... 阅读全文
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D. Constants in the language of ShakespeareTime Limit: 1 Sec Memory Limit: 256 MB题目连接http://codeforces.com/contest/132/problem/DDescriptionShakespeare... 阅读全文
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2002: [Hnoi2010]Bounce 弹飞绵羊Time Limit: 1 Sec Memory Limit: 256 MB题目连接http://www.lydsy.com/JudgeOnline/problem.php?id=2002Description某天，Lostmonkey发明了一种... 阅读全文
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2763: [JLOI2011]飞行路线Time Limit: 1 Sec Memory Limit: 256 MB题目连接http://www.lydsy.com/JudgeOnline/problem.php?id=2763DescriptionAlice和Bob现在要乘飞机旅行，他们选择了一家... 阅读全文
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2456: modeTime Limit: 1 Sec Memory Limit: 256 MB题目连接http://www.lydsy.com/JudgeOnline/problem.php?id=2456Description第1行一个正整数n。第2行n个正整数用空格隔开Input 一行一个正整... 阅读全文
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3170: [Tjoi 2013]松鼠聚会Time Limit: 1 Sec Memory Limit: 256 MB题目连接http://www.lydsy.com/JudgeOnline/problem.php?id=3170Description有N个小松鼠，它们的家用一个点x,y表示，两个点... 阅读全文
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H. BotsTime Limit: 1 Sec Memory Limit: 256 MB题目连接http://codeforces.com/contest/575/problem/HDescriptionSasha and Ira are two best friends. But they ar... 阅读全文
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D. TablecityTime Limit: 1 Sec Memory Limit: 256 MB题目连接http://codeforces.com/contest/575/problem/DDescriptionThere was a big bank robbery in Tablecity.... 阅读全文
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B. BribesTime Limit: 1 Sec Memory Limit: 256 MB题目连接http://codeforces.com/contest/575/problem/BDescriptionRuritania is a country with a very badly main... 阅读全文
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F. BulboTime Limit: 1 Sec Memory Limit: 256 MB题目连接http://codeforces.com/contest/575/problem/FDescriptionBananistan is a beautiful banana republic. Bea... 阅读全文
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2588: Spoj 10628. Count on a treeTime Limit: 1 Sec Memory Limit: 256 MB题目连接http://www.lydsy.com/JudgeOnline/problem.php?id=2588Description给定一棵N个节点的树，每... 阅读全文
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ReflectTime Limit: 1 Sec Memory Limit: 256 MB题目连接http://bestcoder.hdu.edu.cn/contests/contest_chineseproblem.php?cid=628&pid=1003Description从镜面材质的圆上一点... 阅读全文
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Geometric ProgressionTime Limit: 1 Sec Memory Limit: 256 MB题目连接http://bestcoder.hdu.edu.cn/contests/contest_chineseproblem.php?cid=628&pid=1001Descrip... 阅读全文
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The FactorTime Limit: 1 Sec Memory Limit: 256 MB题目连接http://bestcoder.hdu.edu.cn/contests/contest_chineseproblem.php?cid=628&pid=1001Description有一个数列，F... 阅读全文
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A problem of sortingTime Limit: 1 Sec Memory Limit: 256 MB题目连接http://bestcoder.hdu.edu.cn/contests/contest_chineseproblem.php?cid=627&pid=1001Descript... 阅读全文
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Problem A. Alien Communication MasterclassTime Limit: 1 Sec Memory Limit: 256 MB题目连接http://codeforces.com/gym/100610DescriptionAndrea is a famous scie... 阅读全文
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Problem K. Kitchen RobotTime Limit: 1 Sec Memory Limit: 256 MB题目连接http://codeforces.com/gym/100610DescriptionRobots are becoming more and more popular... 阅读全文
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Problem H. Horrible TruthTime Limit: 1 Sec Memory Limit: 256 MB题目连接http://codeforces.com/gym/100610DescriptionIn a Famous TV Show “Find Out” there are... 阅读全文
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Problem E. Explicit FormulaTime Limit: 1 Sec Memory Limit: 256 MB题目连接http://codeforces.com/gym/100610DescriptionConsider 10 Boolean variables x1, x2, ... 阅读全文